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刘云启 教授

办公室：

延长校区行健楼326

通信地址：

上海市延长路149号160信箱

邮政编码：

200072

电话：

021-56331781

电子邮件：

yqliu@shu.edu.cn

English Version

个人主页：

http://scie.shu.edu.cn/Portals/264/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（School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore）、英国伦敦城市大学工程学院（School of Engineering, City University London, United kingdom）和香港城市大学电子工程系（Department of Electronic Engineering, City University of Hong Kong, Hong Kong），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（2009年5月评定），首轮上海市“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100多篇，其中被SCI和EI收录的有60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】

多个国际会议技术组委会（Technical Program Committee）委员与分会主席（Session Chair）（Asia Communications and Photonics Conference and Exhibition 2010，ACP 2010，亚洲光纤通信与光电国际会议及博览会；ACP 2009；International Conference on Advanced Infocomm Technology, ICAIT 2009；International Conference on Advanced Infocomm Technology, ICAIT 2008；Asia-Pacific Optical Communications Conference 2008, APOC 2008，亚太光通信国际会议)

《上海大学学报（自然科学版）》编委

多个国际学术期刊审稿人（Optics Letters, Optics Express, IEEE/OSA Journal of Lightwave Technology, IEEE Photonics Technology Letters, Journal of the Optical Society of America A, Applied Optics, Optics Communications, Optical Engineering等）

IEEE会员

OSA会员

 

【科研项目】

近期承担的科研项目：

1.  “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

2.  “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

3.  “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

4.  “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

5.  “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】

目前的讲授课程：

1．《光子学基础》本科课程；

2．《光电子技术》硕士研究生课程；

 

【研究生培养】

已毕业研究生：暂无

在读研究生：涂文涛、蔡同健、陈剑峰、邹建、杨丹、高芳芳。

 

【招生方向】

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学生报考硕士及博士研究生

 

【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.     Yunqi Liu, Qing Liu, and Kin Seng Chiang, “Optical coupling between a long-period fiber grating and a parallel tilted fiber Bragg grating”, Optics Letters, 2009, 34(11): 1726-1728.

2.     Yunqi Liu, Ho Wai Lee, Kin Seng Chiang, Tao Zhu, and Yun Jiang Rao, “Glass structure changes in CO2-laser writing of long-period fiber gratings in boron-doped single-mode fibers”, Journal of Lightwave Technology, 2009, 27(7): 857-863.

3.     Yunqi Liu, Kin Seng Chiang, “CO2-laser writing of long-period fiber gratings in optical fibers under tension”, Optics Letters, 2008, 33(17): 1933-1935.

4.     Ho Wai Lee, Yunqi Liu and Kin Seng Chiang, “Writing of long-period gratings in conventional and photonic-crystal polarization-maintaining fibers by CO2-laser pulses”, IEEE Photonics Technology Letters, 2008, 20(2): 132-134.

5.     Yunqi Liu, Kin Seng Chiang, Yun Jiang Rao, Zeng Ling Ran and Tao Zhu, “Light coupling between two parallel CO2-laser written long-period fiber gratings”, Optics Express, 2007, 15(26): 17645-17651.

6.     Yunqi Liu, Kin Seng Chiang and Qing Liu, “Symmetric 3 x 3 optical coupler using three parallel long-period fiber gratings”, Optics Express, 2007, 15(10): 6494-6499.

7.     Qing Liu, Kin Seng Chiang, and Yunqi Liu, “Characterization of single-mode fiber with fiber Bragg gratings for the design of long-period gratings”, IEEE/OSA Journal of Lightwave Technology, 2007, 25(8): 2129-2134.

8.     Yunqi Liu and Kin Seng Chiang, “Fiber-Bragg-grating cavity sensor interrogated with a self-seeded Fabry-Perot laser diode”, IEEE Photonics Technology Letters, 2006, 18(20): 2153-2155.

9.     Yunqi Liu and Kin Seng Chiang, “Broadband optical coupler based on evanescent-field coupling between three parallel long-period fiber gratings”, IEEE Photonics Technology Letters, 2006, 18(1): 229-231.

10.  Yunqi Liu, Kin Seng Chiang and Pak Lim Chu, “Interrogation of fiber-Bragg-grating displacement/bending sensors using dual-wavelength pulses generated from a self-seeded Fabry-Perot laser diode”, Optical Engineering, 2005, Vol. 44, 114401 (Nov. 2, 2005).

11.  Yunqi Liu, Kin Seng Chiang and Pak Lim Chu, “Fiber-Bragg-grating force sensor based on a wavelength-switching actively mode-locked erbium-doped fiber laser”, Applied Optics, 2005, 44(23): 4822-4829.

12.  Yunqi Liu, Kin Seng Chiang and Pak Lim Chu, “Generation of picosecond pulses at five close wavelengths using a self-seeded Fabry-Perot laser diode and a spectrum-split fiber Bragg grating”, Applied Optics, 2005, 44(14): 2895-2901.

13.  Yunqi Liu, Kin Seng Chiang and Pak Lim Chu, “Fiber-Bragg-grating force sensor based on a wavelength-switched self-seeded Fabry-Perot laser”, IEEE Photonics Technology Letters, 2005, 17(2): 450-452.

14.  Yunqi Liu, Kin Seng Chiang and Pak Lim Chu, “Generation of dual-wavelength picosecond pulses from a self-seeded Fabry-Perot laser diode and a polarization-maintaining fiber Bragg grating”, IEEE Photonics Technology Letters, 2004, 16(7): 1742-1744.

15.  Yunqi Liu, Kin Seng Chiang and Pak Lim Chu, “Multiplexing of temperature-compensated fiber-Bragg-grating magnetostrictive sensors with a dual-wavelength pulse laser”, IEEE Photonics Technology Letters, 2004, 16(2): 572-574.

16.  Yunqi Liu, Kin Seng Chiang and Pak Lim Chu, “Generation of dual-wavelength picosecond pulses with close wavelength separation from a self-seeded Fabry-Perot laser diode”, IEEE Photonics Technology Letters, 2003, 15(10): 1452-1454.

17.  Yunqi Liu, Jianping Yao and Jianliang Yang, “Wideband true-time-delay beam former that employs a tunable chirped fiber grating prism”, Applied Optics, 2003, 42(13): 2273-2277.

18.  Yunqi Liu, Jianliang Yang and Jianping Yao, “Continuous true-time delay beamforming for phased array antenna using a tunable chirped fiber grating delay line”, IEEE Photonics Technology Letters, 2002, 14(8): 1172-1174.

19.  Yunqi Liu, Jianping Yao and Jianliang Yang, “Wideband true-time-delay unit for phased-array antennas using discrete-chirped fiber grating prism”, Optics Communications, 2002, 207(1-6): 177-187.

20.  Yunqi Liu, Jianping Yao, Xinyong Dong and Jianliang Yang, “Tunable chirping of a fibre Bragg grating without center wavelength shift using simply supported beam”, Optical Engineering, 2002, 41(4): 740-741.

 

会议论文：

1.     Yunqi Liu, “Rewritable long-period fiber gratings written by CO2-laser in conventional optical fibers”, International Conference on Advanced Infocomm Technology (ICAIT 2009), Invited paper, 7-9 July, 2009, Xi’an, China.

2.     Yunqi Liu and Kin Seng Chiang, “Recent development on CO2-laser written long-period fiber gratings”, Passive Components and Fiber-based Devices, Asia-Pacific Optical Communications (APOC) 2008, Proc. SPIE, Vol. 7134, 713437, Invited paper, 26-30 October 2008, Hangzhou, China.

3.     Yunqi Liu and Kin Seng Chiang, “Broadband optical couplers based on parallel long-period fiber gratings”, International Conference on Advanced Infocomm Technology (ICAIT 2008), Invited paper, 28-31 July, 2008, Shenzhen, China.

4.     Yunqi Liu, Ho Wai Lee, Kin Seng Chiang, “Dynamics in the writing of long-period gratings in boron-doped fibers by CO2-laser pulses”, the Opto-Electronics and Communications Conference (OECC) and the Australian Conference on Optical Fibre Technology (ACOFT) 2008, 6-11 July, WeG-5, Sydney, Australia

5.     Yunqi Liu, Qing Liu, and Kin Seng Chiang, “Optical couplers based on three papallel coupled long-period fiber gratings”, the 5th International Conference on Optical Communications and Networks and the 2th International Symposium on Advances and Trends in Fiber Optics and Applications (ICOCN/ATFO 2006), Oral presentation, 18-22 Sept. 2006, Chengdu, China.

6.     Yunqi Liu, Kin Seng Chiang, Yun Jiang Rao, Zeng Ling Ran, and Tao Zhu, “Coupling between two parallel long-period fiber gratings written by high-frequency CO2-laser pulses”, the 5th International Conference on Optical Communications and Networks and the 2th International Symposium on Advances and Trends in Fiber Optics and Applications (ICOCN/ATFO 2006), Oral presentation, 18-22 Sept. 2006, Chengdu, China.

7.     Yunqi Liu, and Kin Seng Chiang, “Fiber-Bragg-grating cavity sensor based on a self-seeded Fabry-Perot laser diode”, Asia-Pacific Optical Communications 2006, Proc. SPIE Vol. 6351, 635112, Oral presentation, 3-7 Sept. 2006, Gwangju, Korea.

8.     Yunqi Liu, Kin Seng Chiang and Pak Lim Chu, “Fiber-Bragg-grating force sensor based on a wavelength-switching actively mode-locked fiber laser”, Optical Fiber Communication Conference, 6-11 March 2005, OME21, California, USA.

9.     Yunqi Liu, Kin Seng Chiang and Pak Lim Chu, “Generation of multi-wavelength picosecond pulses using a self-seeded Fabry-Perot laser diode and a spectrum-split fiber Bragg grating”, Optoelectronic Devices and Integration, Photonics Asia, Proc. SPIE Vol. 5644, pp. 121-132, Oral presentation, Invited paper, 8-11 Nov. 2004, Beijing.

10.  Yunqi Liu, Kin Seng Chiang and Pak Lim Chu, “Interrogation of fiber-Bragg-grating sensors using dual-wavelength pulses generated from a self-seeded Fabry-Perot laser diode”, Advanced Sensor Systems and Applications, Photonics Asia, Proc. SPIE Vol. 5634, pp. 27-38, Oral presentation, 8-11 Nov. 2004, Beijing.

11.  Yunqi Liu, Kin Seng Chiang and Pak Lim Chu, “Dual-wavelength picosecond pulse laser generated from a self-seeded Fabry-Perot laser diode”, 2004 Annual Meeting of the Chinese Optical Society, Oral presentation, 14-16 April 2004, Laser Technology and Applications, Proceedings on CD-ROM, pp. 20-23, Hangzhou, Zhejiang, China.

12.  Yunqi Liu, Kin Seng Chiang and Pak Lim Chu, “Multiplexing of temperature-compensated FBG magnetostrictive sensors with a self-seeded laser diode”, in Optical Fiber Communication Conference on CD-ROM, FC4, 22-27 Feb. 2004, California, USA.

13.  Yunqi Liu, Jianliang Yang and Jianping Yao, “Tunable chirped fiber grating prism for continuous wideband true-time-delay beamforming”, Proc. SPIE, OPTO Canada: SPIE Regional Meeting on Optoelectronics, Photonics, and Imaging, Oral presentation, 9-10 May 2002, Vol. TD01, pp. 453-455 (2002), Ottawa, Canada.

14.  Yunqi Liu, Jianliang Yang, Jianping Yao, and Swee Chuan Tjin, “Wideband true-time-delay unit for phased-array antenna using fiber grating prism and fiber laser source”, 1st France-Singapore Workshop on Microwave Optoelectronics Technology, Oral presentation, invited paper, 6-7 March 2002, Singapore.

15.  Yunqi Liu, Jianping Yao, Xinyong Dong and Jianliang Yang, “A novel chirp tuning technique for fiber Bragg gratings without center wavelength shift using simply supported beam”, Proc. SPIE, International Symposium on Photonics and Applications, Oral presentation, 26-30 November 2001, Vol. 4595: 83-88, Singapore.

16.  Yunqi Liu, Mei Nar Ng, Kin Seng Chiang, Jianping Yao, “Long period fiber grating curvature sensor based on temperature-insensitive wavelength separation measurements”, Proc. SPIE, International Symposium on Photonics and Applications, Oral presentation, 26-30 November 2001, Vol. 4596: 104-109, Singapore.

17.  Yunqi Liu, Jianliang Yang, Jianping Yao, “Discrete-chirped fiber Bragg grating prism for wideband true-time-delay unit”, Proc. SPIE, Multifrequency Electronic / Photonic Devices And Systems for Dual-Use Applications, SPIE’46 Annual Meeting, Oral presentation, 29 July-3 August 2001, Vol. 4490: 126-133, San Diego, USA.

18.  Yunqi Liu, Jianliang Yang, Jianping Yao, “Wideband true-time-delay unit using discrete-chirped fiber Bragg grating prism”, CLEO/PR2001, Technical Digest, Vol. II: 28-29, 4th Pacific Rim Conference on Laser and Electro-optics, Oral presentation, 15-19 July, 2001, Nippon Convention Center, Makuhari Messe, Chiba, Japan.

19.  Yunqi Liu, Zhiguo Liu, K. O. Lee, K. S. Chiang and Xiaoyi Dong, "Interrogation of fiber Bragg grating sensors with a fiber grating filter tuned by a cantilever beam", Proc. SPIE, ICEM 2000, Oral presentation, 29 Nov.-1 Dec, 2000, Vol. 4317: 223-228, Singapore.

20.  Yunqi Liu, Zhuanyun Guo, Ying Zhang, Heliang Liu, Zhiguo Liu, Xiaoyi Dong, “Design of fiber grating sensor with polymer packaged for simultaneous measurements of pressure and temperature”, Proc. SPIE, International Conference on Sensors and Control Techniques. Oral presentation, 19-21 June 2000, Vol. 4077: 27-31, Wuhan, China.

 

 

 

 

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Professor Liu Yunqi, Ph.D

Office：

326 Xingjian Building, Yanchang Campus, Shanghai University

Mail Address：

160 Box, 149 Yanchang Rd, Shanghai 200072, People’s Republic of China

Zip Code：

200072

Phone：

86-21-56331781

Email：

yqliu@shu.edu.cn

中文版

URL：

http://scie.shu.edu.cn/Portals/264/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 Nanyang Technological University, Singapore, City University London, United kingdom and City University of Hong Kong, respectively

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 100 technical research papers have been published in journals and conferences. More than 60 of them have been cited by SCI and EI.

 

Other Professional Activities:

Member of Technical Program Committee and Session Chair of several international conferences (Asia Communications and Photonics Conference and Exhibition 2010, ACP 2010; ACP 2009; International Conference on Advanced Infocomm Technology, ICAIT 2009; ICAIT 2008; Asia-Pacific Optical Communications Conference 2008, APOC 2008)

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

Reviewer of international journals such as Optics Letters, Optics Express, IEEE/OSA Journal of Lightwave Technology, IEEE Photonics Technology Letters, Journal of the Optical Society of America A, Applied Optics, Optics Communications, Optical Engineering, et al.

Member of IEEE

Member of OSA

 

Research Projects:

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

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

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

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

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

 

Teaching Courses:

1.     Foundations of Photonics (for undergraduates)

2.     Optical Electronic Technology (for graduates)

 

Research Students Supervision:

Graduate students: Wentao Tu, Tongjian Cai, Jianfeng Chen, Jian Zou, Dan Yang, Fangfang Gao.

 

Representative Publications:

In Journals:

1.       Yunqi Liu, Qing Liu, and Kin Seng Chiang, “Optical coupling between a long-period fiber grating and a parallel tilted fiber Bragg grating”, Optics Letters, 2009, 34(11): 1726-1728.

2.       Yunqi Liu, Ho Wai Lee, Kin Seng Chiang, Tao Zhu, and Yun Jiang Rao, “Glass structure changes in CO2-laser writing of long-period fiber gratings in boron-doped single-mode fibers”, Journal of Lightwave Technology, 2009, 27(7): 857-863.

3.       Yunqi Liu, Kin Seng Chiang, “CO2-laser writing of long-period fiber gratings in optical fibers under tension”, Optics Letters, 2008, 33(17): 1933-1935.

4.       Ho Wai Lee, Yunqi Liu and Kin Seng Chiang, “Writing of long-period gratings in conventional and photonic-crystal polarization-maintaining fibers by CO2-laser pulses”, IEEE Photonics Technology Letters, 2008, 20(2): 132-134.

5.       Yunqi Liu, Kin Seng Chiang, Yun Jiang Rao, Zeng Ling Ran and Tao Zhu, “Light coupling between two parallel CO2-laser written long-period fiber gratings”, Optics Express, 2007, 15(26): 17645-17651.

6.       Yunqi Liu, Kin Seng Chiang and Qing Liu, “Symmetric 3 x 3 optical coupler using three parallel long-period fiber gratings”, Optics Express, 2007, 15(10): 6494-6499.

7.       Qing Liu, Kin Seng Chiang, and Yunqi Liu, “Characterization of single-mode fiber with fiber Bragg gratings for the design of long-period gratings”, IEEE/OSA Journal of Lightwave Technology, 2007, 25(8): 2129-2134.

8.       Yunqi Liu and Kin Seng Chiang, “Fiber-Bragg-grating cavity sensor interrogated with a self-seeded Fabry-Perot laser diode”, IEEE Photonics Technology Letters, 2006, 18(20): 2153-2155.

9.       Yunqi Liu and Kin Seng Chiang, “Broadband optical coupler based on evanescent-field coupling between three parallel long-period fiber gratings”, IEEE Photonics Technology Letters, 2006, 18(1): 229-231.

10.    Yunqi Liu, Kin Seng Chiang and Pak Lim Chu, “Interrogation of fiber-Bragg-grating displacement/bending sensors using dual-wavelength pulses generated from a self-seeded Fabry-Perot laser diode”, Optical Engineering, 2005, Vol. 44, 114401 (Nov. 2, 2005).

11.    Yunqi Liu, Kin Seng Chiang and Pak Lim Chu, “Fiber-Bragg-grating force sensor based on a wavelength-switching actively mode-locked erbium-doped fiber laser”, Applied Optics, 2005, 44(23): 4822-4829.

12.    Yunqi Liu, Kin Seng Chiang and Pak Lim Chu, “Generation of picosecond pulses at five close wavelengths using a self-seeded Fabry-Perot laser diode and a spectrum-split fiber Bragg grating”, Applied Optics, 2005, 44(14): 2895-2901.

13.    Yunqi Liu, Kin Seng Chiang and Pak Lim Chu, “Fiber-Bragg-grating force sensor based on a wavelength-switched self-seeded Fabry-Perot laser”, IEEE Photonics Technology Letters, 2005, 17(2): 450-452.

14.    Yunqi Liu, Kin Seng Chiang and Pak Lim Chu, “Generation of dual-wavelength picosecond pulses from a self-seeded Fabry-Perot laser diode and a polarization-maintaining fiber Bragg grating”, IEEE Photonics Technology Letters, 2004, 16(7): 1742-1744.

15.    Yunqi Liu, Kin Seng Chiang and Pak Lim Chu, “Multiplexing of temperature-compensated fiber-Bragg-grating magnetostrictive sensors with a dual-wavelength pulse laser”, IEEE Photonics Technology Letters, 2004, 16(2): 572-574.

16.    Yunqi Liu, Kin Seng Chiang and Pak Lim Chu, “Generation of dual-wavelength picosecond pulses with close wavelength separation from a self-seeded Fabry-Perot laser diode”, IEEE Photonics Technology Letters, 2003, 15(10): 1452-1454.

17.    Yunqi Liu, Jianping Yao and Jianliang Yang, “Wideband true-time-delay beam former that employs a tunable chirped fiber grating prism”, Applied Optics, 2003, 42(13): 2273-2277.

18.    Yunqi Liu, Jianliang Yang and Jianping Yao, “Continuous true-time delay beamforming for phased array antenna using a tunable chirped fiber grating delay line”, IEEE Photonics Technology Letters, 2002, 14(8): 1172-1174.

19.    Yunqi Liu, Jianping Yao and Jianliang Yang, “Wideband true-time-delay unit for phased-array antennas using discrete-chirped fiber grating prism”, Optics Communications, 2002, 207(1-6): 177-187.

20.    Yunqi Liu, Jianping Yao, Xinyong Dong and Jianliang Yang, “Tunable chirping of a fibre Bragg grating without center wavelength shift using simply supported beam”, Optical Engineering, 2002, 41(4): 740-741.

In Conference:

1.       Yunqi Liu, “Rewritable long-period fiber gratings written by CO2-laser in conventional optical fibers”, International Conference on Advanced Infocomm Technology (ICAIT 2009), Invited paper, 7-9 July, 2009, Xi’an, China.

2.       Yunqi Liu and Kin Seng Chiang, “Recent development on CO2-laser written long-period fiber gratings”, Passive Components and Fiber-based Devices, Asia-Pacific Optical Communications (APOC) 2008, Proc. SPIE, Vol. 7134, 713437, Invited paper, 26-30 October 2008, Hangzhou, China.

3.       Yunqi Liu and Kin Seng Chiang, “Broadband optical couplers based on parallel long-period fiber gratings”, International Conference on Advanced Infocomm Technology (ICAIT 2008), Invited paper, 28-31 July, 2008, Shenzhen, China.

4.       Yunqi Liu, Ho Wai Lee, Kin Seng Chiang, “Dynamics in the writing of long-period gratings in boron-doped fibers by CO2-laser pulses”, the Opto-Electronics and Communications Conference (OECC) and the Australian Conference on Optical Fibre Technology (ACOFT) 2008, 6-11 July, WeG-5, Sydney, Australia

5.       Yunqi Liu, Qing Liu, and Kin Seng Chiang, “Optical couplers based on three papallel coupled long-period fiber gratings”, the 5th International Conference on Optical Communications and Networks and the 2th International Symposium on Advances and Trends in Fiber Optics and Applications (ICOCN/ATFO 2006), Oral presentation, 18-22 Sept. 2006, Chengdu, China.

6.       Yunqi Liu, Kin Seng Chiang, Yun Jiang Rao, Zeng Ling Ran, and Tao Zhu, “Coupling between two parallel long-period fiber gratings written by high-frequency CO2-laser pulses”, the 5th International Conference on Optical Communications and Networks and the 2th International Symposium on Advances and Trends in Fiber Optics and Applications (ICOCN/ATFO 2006), Oral presentation, 18-22 Sept. 2006, Chengdu, China.

7.       Yunqi Liu, and Kin Seng Chiang, “Fiber-Bragg-grating cavity sensor based on a self-seeded Fabry-Perot laser diode”, Asia-Pacific Optical Communications 2006, Proc. SPIE Vol. 6351, 635112, Oral presentation, 3-7 Sept. 2006, Gwangju, Korea.

8.       Yunqi Liu, Kin Seng Chiang and Pak Lim Chu, “Fiber-Bragg-grating force sensor based on a wavelength-switching actively mode-locked fiber laser”, Optical Fiber Communication Conference, 6-11 March 2005, OME21, California, USA.

9.       Yunqi Liu, Kin Seng Chiang and Pak Lim Chu, “Generation of multi-wavelength picosecond pulses using a self-seeded Fabry-Perot laser diode and a spectrum-split fiber Bragg grating”, Optoelectronic Devices and Integration, Photonics Asia, Proc. SPIE Vol. 5644, pp. 121-132, Oral presentation, Invited paper, 8-11 Nov. 2004, Beijing.

10.    Yunqi Liu, Kin Seng Chiang and Pak Lim Chu, “Interrogation of fiber-Bragg-grating sensors using dual-wavelength pulses generated from a self-seeded Fabry-Perot laser diode”, Advanced Sensor Systems and Applications, Photonics Asia, Proc. SPIE Vol. 5634, pp. 27-38, Oral presentation, 8-11 Nov. 2004, Beijing.

11.    Yunqi Liu, Kin Seng Chiang and Pak Lim Chu, “Dual-wavelength picosecond pulse laser generated from a self-seeded Fabry-Perot laser diode”, 2004 Annual Meeting of the Chinese Optical Society, Oral presentation, 14-16 April 2004, Laser Technology and Applications, Proceedings on CD-ROM, pp. 20-23, Hangzhou, Zhejiang, China.

12.    Yunqi Liu, Kin Seng Chiang and Pak Lim Chu, “Multiplexing of temperature-compensated FBG magnetostrictive sensors with a self-seeded laser diode”, in Optical Fiber Communication Conference on CD-ROM, FC4, 22-27 Feb. 2004, California, USA.

13.    Yunqi Liu, Jianliang Yang and Jianping Yao, “Tunable chirped fiber grating prism for continuous wideband true-time-delay beamforming”, Proc. SPIE, OPTO Canada: SPIE Regional Meeting on Optoelectronics, Photonics, and Imaging, Oral presentation, 9-10 May 2002, Vol. TD01, pp. 453-455 (2002), Ottawa, Canada.

14.    Yunqi Liu, Jianliang Yang, Jianping Yao, and Swee Chuan Tjin, “Wideband true-time-delay unit for phased-array antenna using fiber grating prism and fiber laser source”, 1st France-Singapore Workshop on Microwave Optoelectronics Technology, Oral presentation, invited paper, 6-7 March 2002, Singapore.

15.    Yunqi Liu, Jianping Yao, Xinyong Dong and Jianliang Yang, “A novel chirp tuning technique for fiber Bragg gratings without center wavelength shift using simply supported beam”, Proc. SPIE, International Symposium on Photonics and Applications, Oral presentation, 26-30 November 2001, Vol. 4595: 83-88, Singapore.

16.    Yunqi Liu, Mei Nar Ng, Kin Seng Chiang, Jianping Yao, “Long period fiber grating curvature sensor based on temperature-insensitive wavelength separation measurements”, Proc. SPIE, International Symposium on Photonics and Applications, Oral presentation, 26-30 November 2001, Vol. 4596: 104-109, Singapore.

17.    Yunqi Liu, Jianliang Yang, Jianping Yao, “Discrete-chirped fiber Bragg grating prism for wideband true-time-delay unit”, Proc. SPIE, Multifrequency Electronic / Photonic Devices And Systems for Dual-Use Applications, SPIE’46 Annual Meeting, Oral presentation, 29 July-3 August 2001, Vol. 4490: 126-133, San Diego, USA.

18.    Yunqi Liu, Jianliang Yang, Jianping Yao, “Wideband true-time-delay unit using discrete-chirped fiber Bragg grating prism”, CLEO/PR2001, Technical Digest, Vol. II: 28-29, 4th Pacific Rim Conference on Laser and Electro-optics, Oral presentation, 15-19 July, 2001, Nippon Convention Center, Makuhari Messe, Chiba, Japan.

19.    Yunqi Liu, Zhiguo Liu, K. O. Lee, K. S. Chiang and Xiaoyi Dong, "Interrogation of fiber Bragg grating sensors with a fiber grating filter tuned by a cantilever beam", Proc. SPIE, ICEM 2000, Oral presentation, 29 Nov.-1 Dec, 2000, Vol. 4317: 223-228, Singapore.

20.    Yunqi Liu, Zhuanyun Guo, Ying Zhang, Heliang Liu, Zhiguo Liu, Xiaoyi Dong, “Design of fiber grating sensor with polymer packaged for simultaneous measurements of pressure and temperature”, Proc. SPIE, International Conference on Sensors and Control Techniques. Oral presentation, 19-21 June 2000, Vol. 4077: 27-31, Wuhan, China.