LiuYQ-IMG_8618

English

刘云启 教授

办公室：

宝山校区东区通信实验楼（12号楼）B415

通信地址(邮政编码):

上海市宝山区南陈路333号上海大学（200444）

电话：

021 – 66136332（O）

电子邮件：

yqliu@shu.edu.cn

个人主页：

https://scie.shu.edu.cn/Prof/liuyq.htm

【学术经历】

2000年毕业于南开大学现代光学研究所，获得光学专业理学博士学位。

博士毕业后，2000-2008年分别工作于新加坡南洋理工大学电机与电子工程学院、英国伦敦城市大学工程学院和香港城市大学电子工程系，研究员（Research Fellow）。

2008年加入上海大学通信与信息工程学院，教授，博士生导师，上海市“东方学者”特聘教授。

【研究领域】

新型光纤通信技术；光纤传感技术；新型光电子器件；光纤光栅技术；特种光纤技术

【学术成果】

主要从事光纤传感技术、光纤通信技术与新型光纤器件的研究工作，已在国内外主流学术期刊和国际知名会议上发表论文300余篇，其中被SCI和EI收录的有250余篇。

【荣誉称号】

2009年入选教育部“新世纪优秀人才支持计划”

2009年度上海市浦江计划人才项目支持

2008年度上海市“曙光学者”

2008年入选首轮上海市“东方学者”特聘教授

【学术兼职】

多个国际会议国际执委会（International Steering Committee）、技术组委会（Technical Program Committee）委员（Asia Communications and Photonics Conference, ACP; International Conference on Advanced Infocomm Technology, ICAIT; International Conference on Optical Communications and Networks, ICOCN等)，国际会议ACP 2011大会组委会秘书长（Secretary-general）

《Journal of Optics and Photonics Research》主编

《应用科学学报》副主编

《上海大学学报（自然科学版）》编委

多个国际学术期刊审稿人（Photonics Research, IEEE/OSA Journal of Lightwave Technology; Optics Letters; Optics Express; Optics & Laser Technology; IEEE Sensors Journal; IEEE Photonics Technology Letters; IEEE Photonics Journal; Sensors & Actuators: B. Chemical; Sensors & Actuators: A. Physical; Nanophotonics; Applied Optics; Optics Communications; Sensors; Optical Engineering等）

IEEE高级会员

Optica会员

【科研项目】

近期承担的主要科研项目：

1.  “飞秒激光制备2微米少模光纤手征长周期光栅特性研究”，国家自然科学基金面上项目（62075124），2021.1-2024.12，项目主持人

2.  “螺旋少模光纤长周期光栅及其模分复用特性研究”，国家自然科学基金项目（61875117），2019.1-2022.12，项目主持人

3.  “基于特种光纤微结构的光纤模式耦合器件研究”，国家自然科学基金项目（61377083），2014.1-2017.12，项目主持人

4.  “激光诱导光纤微结构包层模器件制备与传感研究”，国家自然科学基金项目（61077065），2011.1-2013.12，项目主持人

5.  “特种光纤微结构功能器件的物理机理与应用研究”，教育部新世纪优秀人才支持计划（NCET-10-0082），2010.1-2012.12，项目主持人

6.  “分布式光纤激光传感器关键技术研究”，上海市科委创新行动计划项目（09530500600），2009.8-2012.6，项目主持人

7.  “微结构特种光纤长周期光栅研究”，上海市浦江人才计划项目（09PJ1404600），2009.7-2011.7，项目主持人

8.  “基于包层模的光纤无源器件及其传感应用研究”，上海市“曙光计划”人才项目（08SG40），2009.1-2011.12，项目主持人

9.  “基于光纤光栅的光纤激光传感器研究”，上海市教委科研创新重点项目（09ZZ92），2009.1-2011.12，项目主持人

【讲授课程】

目前讲授的主要课程：

1．《光电子学》本科课程；

2．《光子学基础》本科课程；

3．《光电子技术》硕士研究生课程；

【研究生培养】

已毕业研究生：邹芳（博士）、张亮（博士）、赵云鹤（博士）、赵馨艺（博士）、刘祖耀（博士）、姜晨（博士）、马跃辉（博士）、蔡同健、涂文涛、陈剑峰、邹建、杨丹、高芳芳、武蕊、李峰、武昭弟、朱丽妮、宋进华、赵毓琛、孟令涛、陈文韬、周超、宋红亮、石磊、李兵、郑光军、王清泉、王渴望、孟欣禹、曹西标、田丹丹、赵润晗、赵维程、李广生、王云龙、申绘欣、吴乔、黄露、司晓龙、徐承橙、李颖、郭凯、李明旭、吴林坊、李广生、吕康康、廖丹丹、陈龙、张伟栋、朱钰、魏鹏、何艳萍、吴萌、李承阳。

在读研究生：苏杭（博士生）、陈思宇（博士生）、凡晓龙（博士生）、陈璐（博士生）、左利澳（博士生）、胡志侨、邱晨磊、罗伊、吴素英、柴锐、王芊芊、杨彦楠、王奥思保恩。

【招生方向】

欢迎具有光电子学、光子学与光子技术、光纤通信与光纤传感、光学、光学工程以及通信专业背景和兴趣的同学报考硕士及博士研究生（E-mail: yqliu@shu.edu.cn）

【博士后招收】

欢迎具有光电子学、光子学与光子技术、光通信与光传感、光学、光学工程以及通信专业背景的优秀博士加入，详情请发邮件联系（E-mail: yqliu@shu.edu.cn）

【代表性论著】

近期发表主要期刊论文：

[1] Meng Wu, Yuehui Ma, Siyu Chen, Hang Su, Xiaolong Fan, Chengbo Mou, and Yunqi Liu, “Highly sensitive magnetic field sensor based on the long period gratings inscribed in the tapered fiber at dispersion turning point”, Applied Optics, 2025, 64(22), 6367-6374.

[2] Yuehui Ma, Chen Jiang, Siyu Chen, Chengbo Mou, Kaiming Zhou, and Yunqi Liu, “Directional magnetic field sensing based on few mode fiber long-period grating with spatial refractive index modulation”, IEEE Sensors Journal, 2025, 25(12), 21683-21690.

[3] Huihui Wang, Bingyi Zhao, Yuehui Ma, Miaomiao Tang, Xutao Wang, Zongcheng Zhang, Zhiqun Yang, Yaping Liu, Zhanhua Huang, Yunqi Liu, and Lin Zhang, “Dynamic monitoring of few mode long period fiber gratings using swept wavelength interferometry”, Optics Letters, 2025, 50(12), 3954-3957.

[4] Yichun Li, Liang Zhang, Mengshi Zhu, Heming Wei, Xianglong Zeng, Yunqi Liu, Fufei Pang, Tingyun Wang, and Marcelo A. Soto, “Harnessing intra-mode forward stimulated Brillouin scattering in few-mode optical fibers”, Laser & Photonics Reviews, 2025, e02295.

[5] Siyu Chen, Chen Jiang, Yuehui Ma, Xiaolong Fan, Yunhe Zhao, Chengbo Mou, and Yunqi Liu, “Multiparameter sensor based on the long-period fiber gratings inscribed in a pre-twisted polarization-maintaining fiber”, IEEE Sensors Journal, 2025, 25(11), 19315-19322.

[6] Zuyao Liu, Lei Hong, Xinyi Zhao, Siyu Chen, Chunfang Rao, Yuanfeng Zhu, Chengbo Mou, and Yunqi Liu “Torsion-insensitive curvature sensing via azimuthal-order-controlled cladding mode coupling in long-period fiber gratings”, IEEE Sensors Journal, 2025, 25(11), 19250-19257.

[7] Siyu Chen, Chen Jiang, Yuehui Ma, Yunhe Zhao, Xiaolong Fan, Chengbo Mou, and Yunqi Liu, “Broadband optical coupler based on the helical long-period gratings inscribed in seven-core fibers”, Journal of Lightwave Technology, 2025, 43(12), 5820-5828.

[8] Siyu Chen, Chen Jiang, yuehui ma, Yunhe Zhao, dai lilong, Qianqian Huang, Wei Chen, Chengbo Mou, and Yunqi Liu, “Magnetic fluid enabled hexagonal fiber grating for vector magnetic field sensing”, Photonics Research, 2025, 13(6), 1726-1735.

[9] Weixi Li, Lilong Dai, Qianqian Huang,Meng Zou, Xiangpeng Xiao, Siyu Luo, Siyu Chen, Yingxiong Song, Yunqi Liu, Zhijun Yan, and Chengbo Mou, “Pulse duration tunable ultra-narrow bandwidth mode-locked lasers”, Advanced Photonics Nexus, 4(3), 036016.

[10]  Chengyang Li, Siyu Chen, Yuehui Ma, Xiaolong Fan, Lu Chen, Chen Jiang, Chengbo Mou, and Yunqi Liu, “Fabrication and characteristics of long-period gratings in the D-shaped double cladding fiber”, IEEE Photonics Technology Letters, 2025, 37(14), 801-804.

[11]  Siyu Chen, Chen Jiang, Yuehui Ma, Xiaolong Fan, Yunhe Zhao, Chengbo Mou, and Yunqi Liu, “Broadband multi-channel OAM mode generator based on helical long-period gratings inscribed in seven-core fibers”, Optics & Laser Technology, 2025, V. 189, 113163.

[12]  Chen Jiang, Zhiqiang Wang, Ying Wan, Ling Yun, Yuehui Ma, Siyu Chen, Bing Sun, Qianqian Huang, Chengbo Mou, Yunqi Liu and Zuxing Zhang, “Tunable mode-locked fiber laser using multi-functional long-period grating”, Chinese Optics Letters, 2025, 23(4), 23(4), 040603.

[13]  Chen Jiang, Zhiqiang Wang, Ying Wan, Yuehui Ma, Siyu Chen, Bing Sun, Zuxing Zhang, and Yunqi Liu, “Directional magnetic field sensing characteristics of polarization-insensitive long-period grating”, IEEE Sensors Journal, 2025, 25(3), 4605-4611.

[14]  Fang Wang, Xiaozhi Qin, Xinyi Zhao, Qiulin Yuan, Yunqi Liu, Yongguang Huang, Xu Wang, and Yufang Liu, “Multi-point fiber optic displacement sensing system based on cavity length detection”, Journal of Lightwave Technology, 2025, 43(3), 1469-1478.

[15]  Mengjiao Ding, Yunhe Zhao, Yutao Guo, Jie Cao, Diju Gao, Yongsheng Yang, Zuyuan He and Yunqi Liu, “Simultaneous refractive index and temperature sensing based on microsphere Fabry-Perot cavity using capillary fiber”, Sensors and Actuators: A. Physical, 2025, V. 383, 116251.

[16]  Fang Zou, Yunqi Liu, Yunlong Wang, “Relative humidity sensor based on a nano-film deposited LPFG with hydrophilic polymer composite coating”, Optics Communications, 2025, V. 574, 131072.

[17]  Qiang Guo, Chao Xu, Haoyu Li, Yollanda Bella Christy, Peng Wei, Rongfang Shen, and Yunqi Liu, “Effect of X-ray radiation and high temperature on long period fiber gratings in crystal-derived silica fiber”, Journal of Lightwave Technology, 2024, 42(23), 8421-8427.

[18]  Zuyao Liu, Xinyi Zhao, Chengbo Mou, Yunhe Zhao, and Yunqi Liu, “Near 400 nm broadband mode converter based on cascaded long period fiber grating”, Journal of Lightwave Technology, 2024, 42(23), 8449-8455.

[19]  Yunhe Zhao, Mengying Hu, Ziyang Hua, Yan Jiang, Xin Wang, Mengjiao Ding, Chengbo Mou, Yunqi Liu, and Zuyuan He, “Potential multiparameter sensor based on thin-cladding fiber helical long-period fiber gratings”, IEEE Sensors Journal, 2024, 24(22), 36930-36936.

[20]  Yuehui Ma, Kaiming Zhou, Lukman Kamarudin, Chen Jiang, Siyu Chen, Jiaxuan Li, Qiushi Huang, Wei Sun, Xutao Wang, Zhiqun Yang, Yaping Liu, Lin Zhang, Chengbo Mou, Yunqi Liu, “Mode conversion in graded-index few-mode fiber via hollow cylindrical long period fiber gratings”, Optics Letters, 2024, 49(20), 5949-5952.

[21]  Yan Jiang, Yunhe Zhao, Xin Wang, Lin Ma, Siyu Chen, Yunqi Liu, Zuyuan He, “Design and analysis of an integrated optical coupler based on three- core fiber with long-period gratings”, Optical and Quantum Electronics, 2024, 56(10), 1662.

[22]  魏鹏，马跃辉，陈思宇，凡晓龙，刘云启，“基于拉锥少模光纤长周期光栅的高灵敏度传感器”，中国激光，2024, 51(18), 1806001.

[23]  Yunhe Zhao, Xin Wang, Yan Jiang, Ziyang Hua, Chengbo Mou, Yunqi Liu, and Zuyuan He, “Helical long-period gratings in three-Core fiber for directional curvature and torsion measurements”, Journal of Lightwave Technology, 2024, 42(17), 6163-6170.

[24]  Yunhe Zhao, Yutao Guo, Shiqi Chen, Yan Jiang, Siyu Chen, Chengbo Mou, Yunqi Liu, Changle Wang, Kaiming Zhou, and Lin Zhang, “Fiber specklegram sensor based on reflective mode rotation in few-mode fiber”, IEEE Sensors Journal, 2024, 24(16), 25763-25768.

[25]  Yunhe Zhao, Ziyang Hua, Mengying Hu, Siyu Chen, Chengbo Mou, Yunqi Liu and Zuyuan He, “High-sensitivity salinity sensor based on helical long-period fiber grating in thin-cladding fiber”, Journal of Lightwave Technology, 2024, 42(16), 5761-5767.

[26]  Xinyi Zhao, Zuyao Liu, Fang Wang, Chengbo Mou, Yunhe zhao, Zhiyuan Liu, and Yunqi Liu, “Bandwidth tunable ultra-broadband OAM generators based on chirped long period fiber gratings at dispersion turning point”, Journal of Lightwave Technology, 2024, 42(14), 4980-4986.

[27]  Chen Jiang, Ying Wan, Yuehui Ma, Siyu Chen, Bing Sun, Zuxing Zhang, Chengbo Mou, Yunqi Liu, “Efficient fabrication of compact long-period gratings using CO2-laser splicer”, IEEE Photonics Technology Letters, 2024, 36(15), 945-948.

[28]  Long Chen, Yuehui Ma, Chen Jiang, Siyu Chen, Meng Wu, Weidong Zhang, Chengbo Mou, Yunqi Liu, “High-sensitive refractive index sensor based on the long-period gratings inscribed in the tapered fiber at dispersion turning point”, Optics Communications, 2024, Vol. 569, 130798.

[29]  Yuehui Ma, Chen Jiang, Siyu Chen, Chengbo Mou, Kaiming Zhou, Yunqi Liu, “Multi-order orbital angular momentum mode generators based on integrated long period fiber gratings”, Optics Letters, 2024, 49(11), 3243-3246.

[30]  Siyu Chen, Yuehui Ma, Chen Jiang, Chengbo Mou, and Yunqi Liu, “Characteristics of helical long-period gratings inscribed in seven-core fibers by CO2 laser”, Journal of Lightwave Technology, 2024, 42(10), 3826-3834.

[31]  Peng Wei, Yuehui Ma, Yu Zhu, Chen Jiang, and Yunqi Liu, “Broadband wavelength-tunable mode converter based on long-period fiber gratings”, IEEE Photonics Technology Letters, 2024, 36(15), 649-652.

[32]  Yanping He, Yuehui Ma, Chen Jiang, and Yunqi Liu, “Torsion sensor based on helical long-period grating inscribed in the etched double cladding fiber”, IEEE Sensors Journal, 2024, 24(8), 12441-12448.

[33]  Yunhe Zhao, Mengjiao Ding, Mengxue Tang, Jie Cao, Xin Wang, Ziyang Hua, Chengbo Mou, Yunqi Liu, Zuyuan He, “Simultaneous measurement of refractive index and curvature based on capillary fiber with structural long-period gratings”, Optics & Laser Technology, 2024, V. 176, 110964.

[34]  Yunhe Zhao, Shiqi Chen, Yutao Guo, Yan Jiang, Siyu Chen, Chengbo Mou, Yunqi Liu, and Zuyuan He, “Multiparameter sensor based on long-period grating in few-mode ring-core fiber for vector curvature and torsion measurement”, Optics & Laser Technology, 2024, V. 175, 110879.

[35]  Chen Jiang, Ying Wan, Ling Yun, Yuehui Ma, Siyu Chen, Bing Sun, Lilong Dai, Chengbo Mou, Yunqi Liu, and Zuxing Zhang, “Optically tunable mode-locked fiber laser using long-period grating coated with multiwall carbon nanotubes”, Applied Physics Letters, 2024, 124(11), 111104.

[36]  Xiaoya Ma, Jiangming Xu, Jun Ye, Yang Zhang, and Yunqi Liu, Jinyong Leng, Zongfu Jiang, Chengbo Mou, and Pu Zhou, “Coherence-tailorable vector fiber source”, Applied Physics Letters, 2024, 124(9), 091106.

[37]  Siyu Chen, Yuehui Ma, Hang Su, Xiaolong Fan, and Yunqi Liu, “Few-Mode Fiber-Based Long-Period Fiber Gratings: A Review”, Journal of Optics and Photonics Research, 2024, 1(1), 2-15, https://doi.org/10.47852/bonviewJOPR42022414.

[38]  Yuehui Ma, Chen Jiang, Chengbo Mou, and Yunqi Liu, “Ultra-broadband multi-channel orbital angular momentum mode generator using a helical long-period grating pair”, Optics & Laser Technology, 2024, V. 175, 110734.

[39]  Chen Jiang, Ying Wan, Yuehui Ma, Bing Sun, Zuxing Zhang, and Yunqi Liu, “Broadband OAM mode generator based on helical long-period grating inscribed by automated CO2-laser”, IEEE Photonics Technology Letters, 2024, 36(3), 175-178.

[40]  Chen Jiang, Rui Zhou, Zhen Fang, Ying Wan, Bing Sun, Chengbo Mou, Yunqi Liu, Zuxing Zhang, “Soliton and bound-state soliton mode-locked fiber laser based on polarization-dependent grating”, Optics Letters, 2023, 48(22), 5875-5878.

[41]  Yuehui Ma, Chen Jiang, Zuyao Liu, Chengbo Mou, Yunqi Liu, “Broadband linearly polarized mode converter based on over-coupled long-period fiber grating”, Optics Express, 2023, 31(23), 37426-37436.

[42]  Yunhe Zhao, Ziyang Hua, Mengxue Tang, Huiqin Peng, Siyu Chen, Yuehui Ma, Yunqi Liu, Zuyuan He, “Dual-dip long-period fiber gratings for directional bending measurement”, Optics Communications, 2023, V. 549, 129901.

[43]  Weidong Zhang, Yuehui Ma, Chen Jiang, Xinyi Zhao, Long Chen, Yunqi Liu, “Wavelength tunable orbital angular momentum mode convertor based on helical long-period grating inscribed in six-mode fiber using CO2-laser”, IEEE Sensors Journal, 2023, 23(15), 16873-16881.

[44]  Yunhe Zhao, Huiqin Peng, Yuehui Ma, Yunqi Liu, Yongsheng Yang, Zuyuan He, “Helical long-period gratings in four-core fiber for multiparametric monitoring of directional bending, torsion and temperature”, Journal of Lightwave Technology, 2023, 41(13), 4437-4443.

[45]  Chen Jiang, Kaiming Zhou, Bing Sun, Ying Wan, Yuehui Ma, Zhiqiang Wang, Zuxing Zhang, Chengbo Mou, Yunqi Liu, “Multiple core modes conversion using helical long-period fiber gratings”, Optics Letters, 2023, 48(11), 2965-2968.

[46]  Weixi li, Zinan Huang, Xiangpeng Xiao, Zhijun Yan, Siyu Luo, Yingxiong Song, Chen Jiang, Yunqi Liu, Chengbo Mou, “0.017 nm, 143 ps passively mode-locked fiber laser based on nonlinear polarization rotation”, Optics Letters, 2023, 48(9), 2676-2679.

[47]  Yu Zhu, Chen Jiang, Yuehui Ma, Zuyao Liu, Chengbo Mou, Yunqi Liu, “Ultrasensitive magnetic field sensor based on cladding-etched long-period grating”, Optics Letters, 2023, 48(9), 2461-2464.

[48]  刘云启，姜晨，刘祖耀，赵馨艺，“长周期光纤光栅”，激光与光电子学进展，2023, 60(9): 0900001，特邀综述，封面论文。

[49]  Heming Wei, Long Han, Ruixue Yin, Tian Yang, Yunqi Liu, Chengbo Mou, Fufei Pang, Tingyun Wang, “Micro-3D printed Concanavalin A hydrogel based photonic devices for high-sensitivity glucose sensing”, Sensors and Actuators B: Chemical, 2023, 386(1), 133707.

[50]  Yuehui Ma, Chen Jiang, Zuyao Liu, Chengbo Mou, and Yunqi Liu, “High-order OAM mode generator using multi-cascaded long-period fiber gratings”, IEEE Photonics Technology Letters, 2023, 35(8), 434-437.

[51]  Dandan Liao, Yuehui Ma, Chen Jiang, Chengbo Mou, and Yunqi Liu, “Analysis of transmission spectra and cladding mode evolution of etched double-cladding fiber long-period grating”, Optics Communications, 2022, V. 525, 128841.

[52]  Kangkang Lu, Chen Jiang, Chengbo Mou, Yunqi Liu, Hua Wang, Yuan-Feng Zhu, “High-sensitivity magnetic field sensor based on long-period grating near the dispersion turning point”, IEEE Sensors Journal, 2022, 22(14), 14109-14117.

[53]  Chen Jiang, Kaiming Zhou, Bing Sun, Zhiqiang Wang, Ying Wan, Yuehui Ma, Chengbo Mou, Lei Shen, Lei Zhang, Jie Luo, and Yunqi Liu, “Femtosecond laser inscribed parallel long-period fiber gratings for multi-channel core mode conversion”, Optics Letters, 2022, 47(13), 3207-3210.

[54]  Yuehui Ma, Xin Sun, Xiaolong Si, Liang Peng, Hua Wang, Yuan-Feng Zhu, Linfang Wu, Lu Yi, Luming Li, Xinyi Zhao, Chen Jiang, Chengbo Mou, Yunqi Liu, “Thermal stability of fiber Bragg gratings fabricated by 193 nm excimer laser”, Optics Communications, 2022, V. 516, 128286.

[55]  Chen Jiang, Yunqi Liu, Ying Wan, Yanlv Lin, Chengbo Mou, Yuehui Ma, Kaiming Zhou, “Broadband and stable linearly polarized mode converter based on polarization-maintaining fiber long-period grating”, Optics & Laser Technology, 2022, V. 152, 108159.

[56]  Chen Jiang, Yunqi Liu, Chengbo Mou, “Sensing characteristics of polarization-dependent helical long-period grating based interferometer”, IEEE Sensors Journal, 2022, 22(7), 6628-6636.

[57]  Chen Jiang, Yunqi Liu, Chengbo Mou, Jianxiang Wen, Sujuan Huang, Tingyun Wang, “Fiber vector magnetometer based on polarization-maintaining fiber long-period grating with ferrofluid nanoparticles”, Journal of Lightwave Technology, 2022, 40(8), 2494-2502.

[58]  Yuan-Feng Zhu, Shao-Hua Wang, Ming-Yang Chen, Xiang-Yu Zuo, Hua Wang, Chunfang Rao, Yun-Hao Xu, Dan-Dan Ji, and Yunqi Liu, “Nested partially negative curvature hollow-core antiresonant fiber”, IEEE Photonics Technology Letters, 2022, 34(5), 283-286.

[59]  Yunhe Zhao, Wei Wang, Yunqi Liu, Zuyao Liu, Xuping Zhang, and Yongsheng Yang, “Spectral and sensing performance of long-period fiber gratings at 2μm waveband”, Journal of Lightwave Technology, 2022, 40(3), 855-862.

[60]  Zinan Huang, Sonia Boscolo, Qianqian Huang, Zhikun Xing, Zhijun Yan, Tao Chen, Yunqi Liu, and Chengbo Mou, “Generation of 64-fs L-band stretched pulses from an all-fibre Er-doped laser”, Optics Express, 2021, 29(22), 34892-34899.

[61]  Junjie Jiang, Qianqian Huang, Yuehui Ma, Dandan Liao, Zinan Huang, Lilong Dai, Yunqi Liu, Chengbo Mou, Mohammed Al Araimi, Aleksey Rozhin, “Wavelength-tunable L-band mode-locked fiber laser using a long-period fiber grating”, Optics Express, 2021, 29(17), 26332-26339.

[62]  Kai Guo, Chen Jiang, Yunhe Zhao, Yunqi Liu, “High sensitivity directional torsion sensor based on double-helix long-period grating in tapered polarization-maintaining fiber”, Optics Communications, 2021, V. 499, 127320.

[63]  Mingxu Li, Zinan Huang, Zuyao Liu, Chen Jiang, Chengbo Mou, Yunqi Liu, “Tunable broadband mode converter based on long-period fiber gratings at 2-mm waveband”, Journal of Lightwave Technology, 2021, 39 (15), 5134-5141.

[64]  Ying Li, Yunqi Liu, Huixin Shen, Chen Jiang, Chengcheng Xu, Chengbo Mou, “Current sensing characteristics of the helical long-period fiber grating written in polarization maintaining fiber”, Optics Communications, 2021, V. 497, 127166.

[65]  Chen Jiang, Yunqi Liu, Chengbo Mou, “Polarization-maintaining fiber long-period grating based vector curvature sensor”, IEEE Photonics Technology Letters, 2021, 33(7), 358-361.

[66]  Xinyi Zhao, Yunqi Liu, Zuyao Liu, Chengbo Mou, Lei Shen, Lei Zhang, Jie Luo, “Wavelength tunable OAM mode converters based on chiral long-period gratings”, IEEE Photonics Technology Letters, 2020, 32(24), 1519-1522.

[67]  Xinyi Zhao, Yunhe Zhao, Yunqi Liu, Zuyao Liu, Chengbo Mou, Lei Shen, Lei Zhang, Jie Luo, “High-order mode conversion in a few-mode fiber via laser-inscribed long-period gratings at 1.55 μm and 2 μm wavebands”, Applied Optics, 2020, 59(34), 10688-10694.

[68]  Zuyao Liu, Yunqi Liu, Xinyi Zhao, and Chengbo Mou, “Bandwidth optimization of cascaded long-period gratings for broadband mode conversion over 1.0-2.2 µm waveband”, Optics Express, 2020, 28(21), 31882-31892.

[69]  Xinyi Zhao, Yunqi Liu, Zuyao Liu, and Chengbo Mou, “All-fiber bandwidth tunable ultra-broadband mode converters based on long-period fiber gratings and helical long-period gratings”, Optics Express, 2020, 28(8), 11990-12000.

[70]  Zuyao Liu, Xinyi Zhao, Chenbo Mou, Yunqi Liu, “Mode selective conversion enabled by the long-period gratings inscribed in elliptical core few-mode fiber”, Journal of Lightwave Technology, 2020, 38(6), 1536-1542.

[71]  Fang Zou, Yunqi Liu, Chengbo Mou, Shan Zhu, “Optimization of refractive index sensitivity in nano-film coated long-period fiber gratings near the dispersion turning point”, Journal of Lightwave Technology, 2020, 38(4), 889-897.

[72]  Yuan-Feng Zhu, Ming-Yang Chen, Yunqi Liu, “Nested low-loss hollow core fiber”, IEEE Journal of Selected Topics in Quantum Electronics, 2020, 26(4), 4500106.

[73]  Chengcheng Xu, Chen Jiang, and Yunqi Liu, “High diffraction order cladding modes of helical long-period gratings inscribed by CO2-laser”, Applied Optics, 2020, 59(10), 3086-3092.

[74]  赵云鹤，刘云启，“少模光纤长周期光栅——从模式转换到高灵敏度光纤传感”，应用科学学报，2020, 38(2), 310-338，特邀论文。

[75]  Yunhe Zhao, Zuyao Liu, Yunqi Liu, Chengbo Mou, Tingyun Wang, and Yongsheng Yang, “Ultra-broadband fiber mode converter based on apodized phase-shifted long-period gratings”, Optics Letters, 2019, 44(24), 5905-5908.

[76]  Chen Jiang, Yunqi Liu, Lu Huang, Chenbo Mou, “Double cladding fiber chiral long-period grating based directional torsion sensor”, IEEE Photonics Technology Letters, 2019, 31(18), 1522-1525.

[77]  Yunlong Wang, Yunqi Liu, Fang Zou, Chen Jiang, Chengbo Mou and Tingyun Wang, “Humidity sensor based on a long-period fiber grating coated with polymer composite film”, Sensors, 2019, 19(10), 2263; https://doi.org/10.3390/s19102263.

[78]  Lu Huang, Xinyu Meng, Yunhe Zhao, Yunqi Liu, “Temperature-insensitive directional bending sensors based on the interlaced tilted long-period gratings”, Optics Communications, 2019, V. 447, 18-23.

[79]  Chen Jiang, Yunqi Liu, Yunhe Zhao, Liang Zhang, Chenbo Mou, and Tingyun Wang. “Helical long-period fiber gratings inscribed in polarization-maintaining fibers by CO2-laser,” Journal of Lightwave Technology, 2019, 37(3), 889-896.

[80]  Xibiao Cao, Dandan Tian, Yunqi Liu, Liang Zhang and Tingyun Wang, “Sensing characteristics of helical long-period gratings written in the double-clad fiber by CO2 laser”, IEEE Sensors Journal, 2018, 18(10), 7481-7485.

[81]  Yunhe Zhao, H. S. Chen, N. K. Fontaine, J. X. Li, R. Ryf, and Yunqi Liu, “Broadband and low-loss mode scrambler using CO2-laser inscribed long-period gratings,” Optics Letters, 2018, 43(12), 2868-2871.

[82]  Yunhe Zhao, Tianxing Wang, Chenbo Mou, Zhijun Yan, Yunqi Liu, and Tingyun Wang, “All-fiber vortex laser generated with few-mode long-period gratings,” IEEE Photonics Technology Letters, 2018, 30(8), 752-755.

[83]  Zuyao Liu, Yunqi Liu, Chenbo Mou, Fang Zou, and Tingyun Wang, “CO2 laser-written long-period fiber grating with a high diffractive order cladding mode near the turning point”, Applied Optics, 2018, 57(17), 4756-4760.

[84]  Yunhe Zhao, Changle Wang, Guolu Yin, Biqiang Jiang, Kaiming Zhou, Chenbo Mou, Yunqi Liu, Lin Zhang, and Tingyun Wang, “Simultaneous directional curvature and temperature sensor based on a tilted two-mode fiber Bragg grating,” Applied Optics, 2018, 57(7), 1671-1678.

[85]  Yunhe Zhao, Yunqi Liu, Chenyi Zhang, Liang Zhang, Guangjun Zheng, Chengbo Mou, Jianxiag Wen, Tingyun Wang, “All-fiber mode converter based on long-period fiber gratings written in few-mode fiber”, Optics Letters, 2017, 42(22) 4708-4711.

[86]  Xibiao Cao, Yunqi Liu, Liang Zhang, Yunhe Zhao, Tingyun Wang, “Characteristics of chiral long-period fiber gratings written in the twisted two-mode fiber by CO2 laser”, Applied Optics, 2017, 56(18) 5167~5171.

[87]  Qingquan Wang, Yunqi Liu, Liang Zhang, Tingyun Wang, “Fabrication of asymmetric long-period gratings in polarization-maintaining fiber with a CO2 laser”, Applied Optics, 2017, 56(15) 4325~4329.

[88]  Tianxing Wang, Zhijun Yan, Chengbo Mou, Zuyao Liu, Yunqi Liu, Kaiming Zhou, and Lin Zhang, “Narrow bandwidth passively mode locked picosecond Erbium doped fiber laser using a 45° tilted fiber grating device”, Optics Express, 2017, 25(14): 16708~16714.

[89]  Liang Zhang, Yunqi Liu, Yunhe Zhao, Tingyun Wang, “High sensitivity twist sensor based on helical long-period grating written in two-mode fiber”, IEEE Photonics Technology Letters, 2016, 28(15): 1629~1632.

[90]  Liang Zhang, Yunqi Liu, Xibiao Cao, Tingyun Wang, “High sensitivity chiral long-period grating sensors written in the twisted fiber”, IEEE Sensors Journal, 2016, 16(11): 4253~4257.

[91]  Yunhe Zhao, Yunqi Liu, Liang Zhang, Chenyi Zhang, Jianxiang Wen, Tingyun Wang, “Mode converter based on the long-period fiber gratings written in the two-mode fiber”, Optics Express, 2016, 24(6): 6186~6195.

[92]  Fang Zou, Yunqi Liu, Shan Zhu, Chuanlu Deng, Yanhua Dong, Tingyun Wang, “Temperature sensitivity enhancement of the nano-film coated long-period fiber gratings”, IEEE Sensors Journal, 2016, 16(8): 2460~2465.

[93]  Yunhe Zhao, Yunqi Liu, Chao Zhou, Qiang Guo, Tingyun Wang, “Sensing characteristics of long-period fiber gratings written in thinned cladding fiber”, IEEE Sensors Journal, 2016, 16(5): 1217~1223.

[94]  Fang Zou, Yunqi Liu, Chuanlu Deng, Yanhua Dong, Shan Zhu, Tingyun Wang, “Refractive index sensitivity of nano-film coated long-period fiber gratings”, Optics Express, 2015, 23(2): 1114~1124.

 

 

 

 

   

中 文

Professor LIU Yunqi, Ph. D

Office：

Room B415, Building #12, East Baoshan Campus, Shanghai University

Mail Address(Zip Code)：

School of Communication and Information Engineering, Shanghai University, No. 333, Nanchen Road, Shanghai, P. R. China (200444)

Phone：

86-21-66136332（O）

Email：

yqliu@shu.edu.cn

URL：

https://scie.shu.edu.cn/Prof/liuyq.htm

Education and Professional Experiences:

2008-present, Professor (Eastern Scholar), School of Communication and Information Engineering, Shanghai University, China

2000-2008, Research Fellow in School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore, School of Engineering, City University London, United kingdom and Department of Electronic Engineering, City University of Hong Kong, respectively

July 2000, Ph. D, in Optics, Institute of modern Optics, Nankai University, China

Research Interest:

Optical Communications, Optical Fiber Sensors, Optoelectronics Devices, Fiber Grating Technology, Specialty Fiber Optics

Academic Accomplishments:

Major research interests are Optical Fiber Sensors, Optical Communications and Optoelectronics Devices. More than 300 technical research papers have been published in journals and conferences. More than 250 of them have been cited by SCI and EI.

Other Professional Activities:

Member of International Steering Committee and Technical Program Committee and Session Chair of several international conferences (Asia Communications and Photonics Conference, ACP; International Conference on Advanced Infocomm Technology, ICAIT; International Conference on Optical Communications and Networks, ICOCN), Secretary-general of ACP 2011.

Editor-in-Chief, Journal of Optics and Photonics Research

Associate Editor, Journal of Applied Sciences

Member of Editorial Board of Journal Shanghai University (Natural Science)

Reviewer of international journals such as Photonics Research, IEEE/OSA Journal of Lightwave Technology; Optics Letters; Optics Express; Optics & Laser Technology; IEEE Sensors Journal; IEEE Photonics Technology Letters; IEEE Photonics Journal; Sensors & Actuators: B. Chemical; Sensors & Actuators: A. Physical; Nanophotonics; Applied Optics; Optics Communications; Sensors; Optical Engineering, et al.

Senior Member of IEEE

Member of Optica

Research Projects:

1. “Research on chiral long-period fiber gratings inscribed by femtosecond laser in few mode fibers at 2 micrometer waveband”, National Natural Science Foundation of China (62075124), 2021.1-2024.12, PI.

2. “Research on few-mode helical long-period gratings and their application in mode-division-multiplexing optical communications”, National Natural Science Foundation of China (61875117), 2019.1-2022.12, PI.

3. “Research on specialty fiber mode coupling devices based on in-fiber micro-structure”, National Natural Science Foundation of China (61377083), 2014.1-2017.12, PI.

4. “Research on the fabrication and sensing of the laser-induced micro-structure cladding mode device”, National Natural Science Foundation of China (61077065), 2011.1-2013.12, PI.

5. “Researches on physical mechanism and application of specialty fiber microstructure devices”, New Century Excellent Talents in University, Ministry of Education (NCET-10-0082), 2010.1-2012.12, PI.

6. “Researches on key techniques of distributed fiber laser sensors”, Key Project of Shanghai Science and Technology Commission (09530500600), 2009.8-2012.6, PI.

7. “Researches on long-period gratings written in microstructure specialty fibers”, Shanghai Pujiang Program (09PJ1404600), 2009.7-2011.7, PI.

8. “Researches on cladding mode based fiber passive devices and their sensing application”, Shuguang Program of Shanghai Education Commission (08SG40), 2009.1-2011.12, PI.

9. “Researches on fiber laser sensors based on fiber gratings”, Key Project of Shanghai Education Committee (09ZZ92), 2009.1-2011.12, PI.

Teaching Courses:

1.  Optoelectronics (for undergraduate student)

2.  Fundamentals of Photonics (for undergraduate student)

3.  Optical Electronic Technology (for graduate student)

Research Students Supervision:

Graduated students: Fang Zou (Ph. D), Liang Zhang (Ph. D), Yunhe Zhao (Ph. D), Xinyi Zhao (Ph. D), Zuyao Liu (Ph. D), Chen Jiang (Ph. D), Yuehui Ma (Ph. D), Tongjian Cai, Wentao Tu, Jianfeng Chen, Jian Zou, Dan Yang, Fangfang Gao, Rui Wu, Feng Li, Zhaodi Wu, Lini Zhu, Jinhua Song, Yuchen Zhao Lingtao Meng, Wentao Chen, Chao Zhou, Hongliang Song, Lei Shi, Bing Li, Guangjun Zheng, Qingquan Wang, Kewang Wang, Xinyu Meng, Xibiao Cao, Dandan Tian, Runhan Zhao, Weicheng Zhao, Guangsheng Li, Yunlong Wang, Huixin Shen and Qiao Wu, Lu Huang, Xiaolong Si, Chengcheng Xu, Ying Li, Kai Guo, Mingxu Li and Linfang Wu, Guangsheng Li, Kangkang Lu, Dandan Liao, Long Chen, Weidong Zhang, Yu Zhu, Peng Wei, Yanping He, Meng Wu, Chengyang Li.

Current Graduate students: Hang Su (Ph. D student), Siyu Chen (Ph. D student), Xiaolong Fan (Ph. D student), Lu Chen (Ph. D student), Liao Zuo (Ph. D student), Zhiqiao Hu, Chenlei Qiu, Yi Luo, Suying Wu, Rui Chai, Qianqian Wang, Yannan Yang, Aosibaoen Wang.

Recent Representative Publications in Journals:

[1] Meng Wu, Yuehui Ma, Siyu Chen, Hang Su, Xiaolong Fan, Chengbo Mou, and Yunqi Liu, “Highly sensitive magnetic field sensor based on the long period gratings inscribed in the tapered fiber at dispersion turning point”, Applied Optics, 2025, 64(22), 6367-6374.

[2] Yuehui Ma, Chen Jiang, Siyu Chen, Chengbo Mou, Kaiming Zhou, and Yunqi Liu, “Directional magnetic field sensing based on few mode fiber long-period grating with spatial refractive index modulation”, IEEE Sensors Journal, 2025, 25(12), 21683-21690.

[3] Huihui Wang, Bingyi Zhao, Yuehui Ma, Miaomiao Tang, Xutao Wang, Zongcheng Zhang, Zhiqun Yang, Yaping Liu, Zhanhua Huang, Yunqi Liu, and Lin Zhang, “Dynamic monitoring of few mode long period fiber gratings using swept wavelength interferometry”, Optics Letters, 2025, 50(12), 3954-3957.

[4] Yichun Li, Liang Zhang, Mengshi Zhu, Heming Wei, Xianglong Zeng, Yunqi Liu, Fufei Pang, Tingyun Wang, and Marcelo A. Soto, “Harnessing intra-mode forward stimulated Brillouin scattering in few-mode optical fibers”, Laser & Photonics Reviews, 2025, e02295.

[5] Siyu Chen, Chen Jiang, Yuehui Ma, Xiaolong Fan, Yunhe Zhao, Chengbo Mou, and Yunqi Liu, “Multiparameter sensor based on the long-period fiber gratings inscribed in a pre-twisted polarization-maintaining fiber”, IEEE Sensors Journal, 2025, 25(11), 19315-19322.

[6] Zuyao Liu, Lei Hong, Xinyi Zhao, Siyu Chen, Chunfang Rao, Yuanfeng Zhu, Chengbo Mou, and Yunqi Liu “Torsion-insensitive curvature sensing via azimuthal-order-controlled cladding mode coupling in long-period fiber gratings”, IEEE Sensors Journal, 2025, 25(11), 19250-19257.

[7] Siyu Chen, Chen Jiang, Yuehui Ma, Yunhe Zhao, Xiaolong Fan, Chengbo Mou, and Yunqi Liu, “Broadband optical coupler based on the helical long-period gratings inscribed in seven-core fibers”, Journal of Lightwave Technology, 2025, 43(12), 5820-5828.

[8] Siyu Chen, Chen Jiang, yuehui ma, Yunhe Zhao, dai lilong, Qianqian Huang, Wei Chen, Chengbo Mou, and Yunqi Liu, “Magnetic fluid enabled hexagonal fiber grating for vector magnetic field sensing”, Photonics Research, 2025, 13(6), 1726-1735.

[9] Weixi Li, Lilong Dai, Qianqian Huang,Meng Zou, Xiangpeng Xiao, Siyu Luo, Siyu Chen, Yingxiong Song, Yunqi Liu, Zhijun Yan, and Chengbo Mou, “Pulse duration tunable ultra-narrow bandwidth mode-locked lasers”, Advanced Photonics Nexus, 4(3), 036016.

[10] Chengyang Li, Siyu Chen, Yuehui Ma, Xiaolong Fan, Lu Chen, Chen Jiang, Chengbo Mou, and Yunqi Liu, “Fabrication and characteristics of long-period gratings in the D-shaped double cladding fiber”, IEEE Photonics Technology Letters, 2025, 37(14), 801-804.

[11] Siyu Chen, Chen Jiang, Yuehui Ma, Xiaolong Fan, Yunhe Zhao, Chengbo Mou, and Yunqi Liu, “Broadband multi-channel OAM mode generator based on helical long-period gratings inscribed in seven-core fibers”, Optics & Laser Technology, 2025, V. 189, 113163.

[12] Chen Jiang, Zhiqiang Wang, Ying Wan, Ling Yun, Yuehui Ma, Siyu Chen, Bing Sun, Qianqian Huang, Chengbo Mou, Yunqi Liu and Zuxing Zhang, “Tunable mode-locked fiber laser using multi-functional long-period grating”, Chinese Optics Letters, 2025, 23(4), 23(4), 040603.

[13] Chen Jiang, Zhiqiang Wang, Ying Wan, Yuehui Ma, Siyu Chen, Bing Sun, Zuxing Zhang, and Yunqi Liu, “Directional magnetic field sensing characteristics of polarization-insensitive long-period grating”, IEEE Sensors Journal, 2025, 25(3), 4605-4611.

[14] Fang Wang, Xiaozhi Qin, Xinyi Zhao, Qiulin Yuan, Yunqi Liu, Yongguang Huang, Xu Wang, and Yufang Liu, “Multi-point fiber optic displacement sensing system based on cavity length detection”, Journal of Lightwave Technology, 2025, 43(3), 1469-1478.

[15] Mengjiao Ding, Yunhe Zhao, Yutao Guo, Jie Cao, Diju Gao, Yongsheng Yang, Zuyuan He and Yunqi Liu, “Simultaneous refractive index and temperature sensing based on microsphere Fabry-Perot cavity using capillary fiber”, Sensors and Actuators: A. Physical, 2025, V. 383, 116251.

[16] Fang Zou, Yunqi Liu, Yunlong Wang, “Relative humidity sensor based on a nano-film deposited LPFG with hydrophilic polymer composite coating”, Optics Communications, 2025, V. 574, 131072.

[17] Qiang Guo, Chao Xu, Haoyu Li, Yollanda Bella Christy, Peng Wei, Rongfang Shen, and Yunqi Liu, “Effect of X-ray radiation and high temperature on long period fiber gratings in crystal-derived silica fiber”, Journal of Lightwave Technology, 2024, 42(23), 8421-8427.

[18] Zuyao Liu, Xinyi Zhao, Chengbo Mou, Yunhe Zhao, and Yunqi Liu, “Near 400 nm broadband mode converter based on cascaded long period fiber grating”, Journal of Lightwave Technology, 2024, 42(23), 8449-8455.

[19] Yunhe Zhao, Mengying Hu, Ziyang Hua, Yan Jiang, Xin Wang, Mengjiao Ding, Chengbo Mou, Yunqi Liu, and Zuyuan He, “Potential multiparameter sensor based on thin-cladding fiber helical long-period fiber gratings”, IEEE Sensors Journal, 2024, 24(22), 36930-36936.

[20] Yuehui Ma, Kaiming Zhou, Lukman Kamarudin, Chen Jiang, Siyu Chen, Jiaxuan Li, Qiushi Huang, Wei Sun, Xutao Wang, Zhiqun Yang, Yaping Liu, Lin Zhang, Chengbo Mou, Yunqi Liu, “Mode conversion in graded-index few-mode fiber via hollow cylindrical long period fiber gratings”, Optics Letters, 2024, 49(20), 5949-5952.

[21] Yan Jiang, Yunhe Zhao, Xin Wang, Lin Ma, Siyu Chen, Yunqi Liu, Zuyuan He, “Design and analysis of an integrated optical coupler based on three- core fiber with long-period gratings”, Optical and Quantum Electronics, 2024, 56(10), 1662.

[22] Peng Wei, Yuehui Ma, Siyu Chen, Xiaolong Fan, and Yunqi Liu, “High sensitivity sensors based on the long period gratings inscribed in the tapered few mode fiber”, Chinese Journal of Lasers, 2024, 51(18), 1806001. (In Chinese)

[23] Yunhe Zhao, Xin Wang, Yan Jiang, Ziyang Hua, Chengbo Mou, Yunqi Liu, and Zuyuan He, “Helical long-period gratings in three-Core fiber for directional curvature and torsion measurements”, Journal of Lightwave Technology, 2024, 42(17), 6163-6170.

[24] Yunhe Zhao, Yutao Guo, Shiqi Chen, Yan Jiang, Siyu Chen, Chengbo Mou, Yunqi Liu, Changle Wang, Kaiming Zhou, and Lin Zhang, “Fiber specklegram sensor based on reflective mode rotation in few-mode fiber”, IEEE Sensors Journal, 2024, 24(16), 25763-25768.

[25] Yunhe Zhao, Ziyang Hua, Mengying Hu, Siyu Chen, Chengbo Mou, Yunqi Liu and Zuyuan He, “High-sensitivity salinity sensor based on helical long-period fiber grating in thin-cladding fiber”, Journal of Lightwave Technology, 2024, 42(16), 5761-5767.

[26] Xinyi Zhao, Zuyao Liu, Fang Wang, Chengbo Mou, Yunhe zhao, Zhiyuan Liu, and Yunqi Liu, “Bandwidth tunable ultra-broadband OAM generators based on chirped long period fiber gratings at dispersion turning point”, Journal of Lightwave Technology, 2024, 42(14), 4980-4986.

[27] Chen Jiang, Ying Wan, Yuehui Ma, Siyu Chen, Bing Sun, Zuxing Zhang, Chengbo Mou, Yunqi Liu, “Efficient fabrication of compact long-period gratings using CO2-laser splicer”, IEEE Photonics Technology Letters, 2024, 36(15), 945-948.

[28] Long Chen, Yuehui Ma, Chen Jiang, Siyu Chen, Meng Wu, Weidong Zhang, Chengbo Mou, Yunqi Liu, “High-sensitive refractive index sensor based on the long-period gratings inscribed in the tapered fiber at dispersion turning point”, Optics Communications, 2024, Vol. 569, 130798.

[29] Yuehui Ma, Chen Jiang, Siyu Chen, Chengbo Mou, Kaiming Zhou, Yunqi Liu, “Multi-order orbital angular momentum mode generators based on integrated long period fiber gratings”, Optics Letters, 2024, 49(11), 3243-3246.

[30] Siyu Chen, Yuehui Ma, Chen Jiang, Chengbo Mou, and Yunqi Liu, “Characteristics of helical long-period gratings inscribed in seven-core fibers by CO2 laser”, Journal of Lightwave Technology, 2024, 42(10), 3826-3834.

[31] Peng Wei, Yuehui Ma, Yu Zhu, Chen Jiang, and Yunqi Liu, “Broadband wavelength-tunable mode converter based on long-period fiber gratings”, IEEE Photonics Technology Letters, 2024, 36(15), 649-652.

[32] Yanping He, Yuehui Ma, Chen Jiang, and Yunqi Liu, “Torsion sensor based on helical long-period grating inscribed in the etched double cladding fiber”, IEEE Sensors Journal, 2024, 24(8), 12441-12448.

[33] Yunhe Zhao, Mengjiao Ding, Mengxue Tang, Jie Cao, Xin Wang, Ziyang Hua, Chengbo Mou, Yunqi Liu, Zuyuan He, “Simultaneous measurement of refractive index and curvature based on capillary fiber with structural long-period gratings”, Optics & Laser Technology, 2024, V. 176, 110964.

[34] Yunhe Zhao, Shiqi Chen, Yutao Guo, Yan Jiang, Siyu Chen, Chengbo Mou, Yunqi Liu, and Zuyuan He, “Multiparameter sensor based on long-period grating in few-mode ring-core fiber for vector curvature and torsion measurement”, Optics & Laser Technology, 2024, V. 175, 110879.

[35] Chen Jiang, Ying Wan, Ling Yun, Yuehui Ma, Siyu Chen, Bing Sun, Lilong Dai, Chengbo Mou, Yunqi Liu, and Zuxing Zhang, “Optically tunable mode-locked fiber laser using long-period grating coated with multiwall carbon nanotubes”, Applied Physics Letters, 2024, 124(11), 111104.

[36] Xiaoya Ma, Jiangming Xu, Jun Ye, Yang Zhang, and Yunqi Liu, Jinyong Leng, Zongfu Jiang, Chengbo Mou, and Pu Zhou, “Coherence-tailorable vector fiber source”, Applied Physics Letters, 2024, 124(9), 091106.

[37] Siyu Chen, Yuehui Ma, Hang Su, Xiaolong Fan, and Yunqi Liu, “Few-Mode Fiber-Based Long-Period Fiber Gratings: A Review”, Journal of Optics and Photonics Research, 2024, 1(1), 2-15, https://doi.org/10.47852/bonviewJOPR42022414.

[38] Yuehui Ma, Chen Jiang, Chengbo Mou, and Yunqi Liu, “Ultra-broadband multi-channel orbital angular momentum mode generator using a helical long-period grating pair”, Optics & Laser Technology, 2024, V. 175, 110734.

[39] Chen Jiang, Ying Wan, Yuehui Ma, Bing Sun, Zuxing Zhang, and Yunqi Liu, “Broadband OAM mode generator based on helical long-period grating inscribed by automated CO2-laser”, IEEE Photonics Technology Letters, 2024, 36(3), 175-178.

[40] Chen Jiang, Rui Zhou, Zhen Fang, Ying Wan, Bing Sun, Chengbo Mou, Yunqi Liu, Zuxing Zhang, “Soliton and bound-state soliton mode-locked fiber laser based on polarization-dependent grating”, Optics Letters, 2023, 48(22), 5875-5878.

[41] Yuehui Ma, Chen Jiang, Zuyao Liu, Chengbo Mou, Yunqi Liu, “Broadband linearly polarized mode converter based on over-coupled long-period fiber grating”, Optics Express, 2023, 31(23), 37426-37436.

[42] Yunhe Zhao, Ziyang Hua, Mengxue Tang, Huiqin Peng, Siyu Chen, Yuehui Ma, Yunqi Liu, Zuyuan He, “Dual-dip long-period fiber gratings for directional bending measurement”, Optics Communications, 2023, V. 549, 129901.

[43] Weidong Zhang, Yuehui Ma, Chen Jiang, Xinyi Zhao, Long Chen, Yunqi Liu, “Wavelength tunable orbital angular momentum mode convertor based on helical long-period grating inscribed in six-mode fiber using CO2-laser”, IEEE Sensors Journal, 2023, 23(15), 16873-16881.

[44] Yunhe Zhao, Huiqin Peng, Yuehui Ma, Yunqi Liu, Yongsheng Yang, Zuyuan He, “Helical long-period gratings in four-core fiber for multiparametric monitoring of directional bending, torsion and temperature”, Journal of Lightwave Technology, 2023, 41(13), 4437-4443.

[45] Chen Jiang, Kaiming Zhou, Bing Sun, Ying Wan, Yuehui Ma, Zhiqiang Wang, Zuxing Zhang, Chengbo Mou, Yunqi Liu, “Multiple core modes conversion using helical long-period fiber gratings”, Optics Letters, 2023, 48(11), 2965-2968.

[46] Weixi li, Zinan Huang, Xiangpeng Xiao, Zhijun Yan, Siyu Luo, Yingxiong Song, Chen Jiang, Yunqi Liu, Chengbo Mou, “0.017 nm, 143 ps passively mode-locked fiber laser based on nonlinear polarization rotation”, Optics Letters, 2023, 48(9), 2676-2679.

[47] Yu Zhu, Chen Jiang, Yuehui Ma, Zuyao Liu, Chengbo Mou, Yunqi Liu, “Ultrasensitive magnetic field sensor based on cladding-etched long-period grating”, Optics Letters, 2023, 48(9), 2461-2464.

[48] Yunqi Liu, Chen Jiang, Zuyao Liu, and Xinyi Zhao, “Long-period fiber gratings”, Laser & Optoelectronics Progress, 2023, 60(9), 0900001, Tutorial paper. (In Chinese)

[49] Heming Wei, Long Han, Ruixue Yin, Tian Yang, Yunqi Liu, Chengbo Mou, Fufei Pang, Tingyun Wang, “Micro-3D printed Concanavalin A hydrogel based photonic devices for high-sensitivity glucose sensing”, Sensors and Actuators B: Chemical, 2023, 386(1), 133707.

[50] Yuehui Ma, Chen Jiang, Zuyao Liu, Chengbo Mou, and Yunqi Liu, “High-order OAM mode generator using multi-cascaded long-period fiber gratings”, IEEE Photonics Technology Letters, 2023, 35(8), 434-437.

[51] Dandan Liao, Yuehui Ma, Chen Jiang, Chengbo Mou, and Yunqi Liu, “Analysis of transmission spectra and cladding mode evolution of etched double-cladding fiber long-period grating”, Optics Communications, 2022, V. 525, 128841.

[52] Kangkang Lu, Chen Jiang, Chengbo Mou, Yunqi Liu, Hua Wang, Yuan-Feng Zhu, “High-sensitivity magnetic field sensor based on long-period grating near the dispersion turning point”, IEEE Sensors Journal, 2022, 22(14), 14109-14117.

[53] Chen Jiang, Kaiming Zhou, Bing Sun, Zhiqiang Wang, Ying Wan, Yuehui Ma, Chengbo Mou, Lei Shen, Lei Zhang, Jie Luo, and Yunqi Liu, “Femtosecond laser inscribed parallel long-period fiber gratings for multi-channel core mode conversion”, Optics Letters, 2022, 47(13), 3207-3210.

[54] Yuehui Ma, Xin Sun, Xiaolong Si, Liang Peng, Hua Wang, Yuan-Feng Zhu, Linfang Wu, Lu Yi, Luming Li, Xinyi Zhao, Chen Jiang, Chengbo Mou, Yunqi Liu, “Thermal stability of fiber Bragg gratings fabricated by 193 nm excimer laser”, Optics Communications, 2022, V. 516, 128286.

[55] Chen Jiang, Yunqi Liu, Ying Wan, Yanlv Lin, Chengbo Mou, Yuehui Ma, Kaiming Zhou, “Broadband and stable linearly polarized mode converter based on polarization-maintaining fiber long-period grating”, Optics & Laser Technology, 2022, V. 152, 108159.

[56] Chen Jiang, Yunqi Liu, Chengbo Mou, “Sensing characteristics of polarization-dependent helical long-period grating based interferometer”, IEEE Sensors Journal, 2022, 22(7), 6628-6636.

[57] Chen Jiang, Yunqi Liu, Chengbo Mou, Jianxiang Wen, Sujuan Huang, Tingyun Wang, “Fiber vector magnetometer based on polarization-maintaining fiber long-period grating with ferrofluid nanoparticles”, Journal of Lightwave Technology, 2022, 40(8), 2494-2502.

[58] Yuan-Feng Zhu, Shao-Hua Wang, Ming-Yang Chen, Xiang-Yu Zuo, Hua Wang, Chunfang Rao, Yun-Hao Xu, Dan-Dan Ji, and Yunqi Liu, “Nested partially negative curvature hollow-core antiresonant fiber”, IEEE Photonics Technology Letters, 2022, 34(5), 283-286.

[59] Yunhe Zhao, Wei Wang, Yunqi Liu, Zuyao Liu, Xuping Zhang, and Yongsheng Yang, “Spectral and sensing performance of long-period fiber gratings at 2μm waveband”, Journal of Lightwave Technology, 2022, 40(3), 855-862.

[60] Zinan Huang, Sonia Boscolo, Qianqian Huang, Zhikun Xing, Zhijun Yan, Tao Chen, Yunqi Liu, and Chengbo Mou, “Generation of 64-fs L-band stretched pulses from an all-fibre Er-doped laser”, Optics Express, 2021, 29(22), 34892-34899.

[61] Junjie Jiang, Qianqian Huang, Yuehui Ma, Dandan Liao, Zinan Huang, Lilong Dai, Yunqi Liu, Chengbo Mou, Mohammed Al Araimi, Aleksey Rozhin, “Wavelength-tunable L-band mode-locked fiber laser using a long-period fiber grating”, Optics Express, 2021, 29(17), 26332-26339.

[62] Kai Guo, Chen Jiang, Yunhe Zhao, Yunqi Liu, “High sensitivity directional torsion sensor based on double-helix long-period grating in tapered polarization-maintaining fiber”, Optics Communications, 2021, V. 499, 127320.

[63] Mingxu Li, Zinan Huang, Zuyao Liu, Chen Jiang, Chengbo Mou, Yunqi Liu, “Tunable broadband mode converter based on long-period fiber gratings at 2-mm waveband”, Journal of Lightwave Technology, 2021, 39 (15), 5134-5141.

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[65] Chen Jiang, Yunqi Liu, Chengbo Mou, “Polarization-maintaining fiber long-period grating based vector curvature sensor”, IEEE Photonics Technology Letters, 2021, 33(7), 358-361.

[66] Xinyi Zhao, Yunqi Liu, Zuyao Liu, Chengbo Mou, Lei Shen, Lei Zhang, Jie Luo, “Wavelength tunable OAM mode converters based on chiral long-period gratings”, IEEE Photonics Technology Letters, 2020, 32(24), 1519-1522.

[67] Xinyi Zhao, Yunhe Zhao, Yunqi Liu, Zuyao Liu, Chengbo Mou, Lei Shen, Lei Zhang, Jie Luo, “High-order mode conversion in a few-mode fiber via laser-inscribed long-period gratings at 1.55 μm and 2 μm wavebands”, Applied Optics, 2020, 59(34), 10688-10694.

[68] Zuyao Liu, Yunqi Liu, Xinyi Zhao, and Chengbo Mou, “Bandwidth optimization of cascaded long-period gratings for broadband mode conversion over 1.0-2.2 µm waveband”, Optics Express, 2020, 28(21), 31882-31892.

[69] Xinyi Zhao, Yunqi Liu, Zuyao Liu, and Chengbo Mou, “All-fiber bandwidth tunable ultra-broadband mode converters based on long-period fiber gratings and helical long-period gratings”, Optics Express, 2020, 28(8), 11990-12000.

[70] Zuyao Liu, Xinyi Zhao, Chenbo Mou, Yunqi Liu, “Mode selective conversion enabled by the long-period gratings inscribed in elliptical core few-mode fiber”, Journal of Lightwave Technology, 2020, 38(6), 1536-1542.

[71] Fang Zou, Yunqi Liu, Chengbo Mou, Shan Zhu, “Optimization of refractive index sensitivity in nano-film coated long-period fiber gratings near the dispersion turning point”, Journal of Lightwave Technology, 2020, 38(4), 889-897.

[72] Yuan-Feng Zhu, Ming-Yang Chen, Yunqi Liu, “Nested low-loss hollow core fiber”, IEEE Journal of Selected Topics in Quantum Electronics, 2020, 26(4), 4500106.

[73] Chengcheng Xu, Chen Jiang, and Yunqi Liu, “High diffraction order cladding modes of helical long-period gratings inscribed by CO2-laser”, Applied Optics, 2020, 59(10), 3086-3092.

[74] Yunhe Zhao, Yunqi Liu, “Few-mode fiber long-period gratings—From mode conversion to high sensitivity fiber-optic sensing”, Journal of Applied Sciences, 2020, 38(2), 310-338. (In Chinese)

[75] Yunhe Zhao, Zuyao Liu, Yunqi Liu, Chengbo Mou, Tingyun Wang, and Yongsheng Yang, “Ultra-broadband fiber mode converter based on apodized phase-shifted long-period gratings”, Optics Letters, 2019, 44(24), 5905-5908.

[76] Chen Jiang, Yunqi Liu, Lu Huang, Chenbo Mou, “Double cladding fiber chiral long-period grating based directional torsion sensor”, IEEE Photonics Technology Letters, 2019, 31(18), 1522-1525.

[77] Yunlong Wang, Yunqi Liu, Fang Zou, Chen Jiang, Chengbo Mou and Tingyun Wang, “Humidity sensor based on a long-period fiber grating coated with polymer composite film”, Sensors, 2019, 19(10), 2263; https://doi.org/10.3390/s19102263.

[78] Lu Huang, Xinyu Meng, Yunhe Zhao, Yunqi Liu, “Temperature-insensitive directional bending sensors based on the interlaced tilted long-period gratings”, Optics Communications, 2019, V. 447, 18-23.

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[81] Yunhe Zhao, H. S. Chen, N. K. Fontaine, J. X. Li, R. Ryf, and Yunqi Liu, “Broadband and low-loss mode scrambler using CO2-laser inscribed long-period gratings,” Optics Letters, 2018, 43(12), 2868-2871.

[82] Yunhe Zhao, Tianxing Wang, Chenbo Mou, Zhijun Yan, Yunqi Liu, and Tingyun Wang, “All-fiber vortex laser generated with few-mode long-period gratings,” IEEE Photonics Technology Letters, 2018, 30(8), 752-755.

[83] Zuyao Liu, Yunqi Liu, Chenbo Mou, Fang Zou, and Tingyun Wang, “CO2 laser-written long-period fiber grating with a high diffractive order cladding mode near the turning point”, Applied Optics, 2018, 57(17), 4756-4760.

[84] Yunhe Zhao, Changle Wang, Guolu Yin, Biqiang Jiang, Kaiming Zhou, Chenbo Mou, Yunqi Liu, Lin Zhang, and Tingyun Wang, “Simultaneous directional curvature and temperature sensor based on a tilted two-mode fiber Bragg grating,” Applied Optics, 2018, 57(7), 1671-1678.

[85] Yunhe Zhao, Yunqi Liu, Chenyi Zhang, Liang Zhang, Guangjun Zheng, Chengbo Mou, Jianxiag Wen, Tingyun Wang, “All-fiber mode converter based on long-period fiber gratings written in few-mode fiber”, Optics Letters, 2017, 42(22) 4708-4711.

[86] Xibiao Cao, Yunqi Liu, Liang Zhang, Yunhe Zhao, Tingyun Wang, “Characteristics of chiral long-period fiber gratings written in the twisted two-mode fiber by CO2 laser”, Applied Optics, 2017, 56(18) 5167~5171.

[87] Qingquan Wang, Yunqi Liu, Liang Zhang, Tingyun Wang, “Fabrication of asymmetric long-period gratings in polarization-maintaining fiber with a CO2 laser”, Applied Optics, 2017, 56(15) 4325~4329.

[88] Tianxing Wang, Zhijun Yan, Chengbo Mou, Zuyao Liu, Yunqi Liu, Kaiming Zhou, and Lin Zhang, “Narrow bandwidth passively mode locked picosecond Erbium doped fiber laser using a 45° tilted fiber grating device”, Optics Express, 2017, 25(14): 16708~16714.

[89] Liang Zhang, Yunqi Liu, Yunhe Zhao, Tingyun Wang, “High sensitivity twist sensor based on helical long-period grating written in two-mode fiber”, IEEE Photonics Technology Letters, 2016, 28(15): 1629~1632.

[90] Liang Zhang, Yunqi Liu, Xibiao Cao, Tingyun Wang, “High sensitivity chiral long-period grating sensors written in the twisted fiber”, IEEE Sensors Journal, 2016, 16(11): 4253~4257.

[91] Yunhe Zhao, Yunqi Liu, Liang Zhang, Chenyi Zhang, Jianxiang Wen, Tingyun Wang, “Mode converter based on the long-period fiber gratings written in the two-mode fiber”, Optics Express, 2016, 24(6): 6186~6195.

[92] Fang Zou, Yunqi Liu, Shan Zhu, Chuanlu Deng, Yanhua Dong, Tingyun Wang, “Temperature sensitivity enhancement of the nano-film coated long-period fiber gratings”, IEEE Sensors Journal, 2016, 16(8): 2460~2465.

[93] Yunhe Zhao, Yunqi Liu, Chao Zhou, Qiang Guo, Tingyun Wang, “Sensing characteristics of long-period fiber gratings written in thinned cladding fiber”, IEEE Sensors Journal, 2016, 16(5): 1217~1223.

[94] Fang Zou, Yunqi Liu, Chuanlu Deng, Yanhua Dong, Shan Zhu, Tingyun Wang, “Refractive index sensitivity of nano-film coated long-period fiber gratings”, Optics Express, 2015, 23(2): 1114~1124.