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	劉云啟教授
	辦公室：	寶山校區(qū)東區(qū)通信實(shí)驗(yàn)樓（12號(hào)樓）B415
	通信地址：	上海市寶山區(qū)南陳路333號(hào)9999js金沙老品牌
	郵政編碼：	200444
	電話：	021-66136332（O）
	電子郵件：	yqliu@shu.edu.cn
English Version	個(gè)人主頁：	/Prof/liuyq.htm
【學(xué)術(shù)經(jīng)歷】 2000年畢業(yè)于南開大學(xué)現(xiàn)代光學(xué)研究所，獲得光學(xué)專業(yè)理學(xué)博士學(xué)位。博士畢業(yè)后，2000-2008年分別工作于新加坡南洋理工大學(xué)電機(jī)與電子工程學(xué)院、英國倫敦城市大學(xué)工程學(xué)院和香港城市大學(xué)電子工程系，研究員（Research Fellow）。 2008年加入9999js金沙老品牌，教授，博士生導(dǎo)師，上海市“東方學(xué)者”特聘教授。【研究領(lǐng)域】新型光纖通信技術(shù)；光纖傳感技術(shù)；新型光電子器件；光纖光柵技術(shù)；特種光纖技術(shù) 【學(xué)術(shù)成果】主要從事光纖傳感技術(shù)、光纖通信技術(shù)與新型光纖器件的研究工作，已在國內(nèi)外主流學(xué)術(shù)期刊和國際知名會(huì)議上發(fā)表論文160多篇，其中被SCI和EI收錄的有130余篇。【榮譽(yù)稱號(hào)】 2009年入選教育部“新世紀(jì)優(yōu)秀人才支持計(jì)劃” 2009年度上海市浦江計(jì)劃人才項(xiàng)目支持 2008年度上海市“曙光學(xué)者” 2008年入選首輪上海市“東方學(xué)者”特聘教授【學(xué)術(shù)兼職】多個(gè)國際會(huì)議國際執(zhí)委會(huì)（International Steering Committee）、技術(shù)組委會(huì)（Technical Program Committee）委員與分會(huì)主席（Session Chair）（Asia Communications and Photonics Conference, ACP; International Conference on Advanced Infocomm Technology, ICAIT; International Conference on Optical Communications and Networks, ICOCN等)，國際會(huì)議ACP 2011大會(huì)組委會(huì)秘書長（Secretary-general）《上海大學(xué)學(xué)報(bào)（自然科學(xué)版）》編委多個(gè)國際學(xué)術(shù)期刊審稿人（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會(huì)員 OSA會(huì)員【科研項(xiàng)目】近期承擔(dān)的主要科研項(xiàng)目： 1. “螺旋少模光纖長周期光柵及其模分復(fù)用特性研究”，國家自然科學(xué)基金項(xiàng)目（61875117），2019.1-2022.12，項(xiàng)目主持人 2. “基于特種光纖微結(jié)構(gòu)的光纖模式耦合器件研究”，國家自然科學(xué)基金項(xiàng)目（61377083），2014.1-2017.12，項(xiàng)目主持人 3. “激光誘導(dǎo)光纖微結(jié)構(gòu)包層模器件制備與傳感研究”，國家自然科學(xué)基金項(xiàng)目（61077065），2011.1-2013.12，項(xiàng)目主持人 4. “特種光纖微結(jié)構(gòu)功能器件的物理機(jī)理與應(yīng)用研究”，教育部新世紀(jì)優(yōu)秀人才支持計(jì)劃（NCET-10-0082），2010.1-2012.12，項(xiàng)目主持人 5. “分布式光纖激光傳感器關(guān)鍵技術(shù)研究”，上海市科委創(chuàng)新行動(dòng)計(jì)劃項(xiàng)目（09530500600），2009.8-2012.6，項(xiàng)目主持人 6. “微結(jié)構(gòu)特種光纖長周期光柵研究”，上海市浦江人才計(jì)劃項(xiàng)目（09PJ1404600），2009.7-2011.7，項(xiàng)目主持人 7. “基于包層模的光纖無源器件及其傳感應(yīng)用研究”，上海市“曙光計(jì)劃”人才項(xiàng)目（08SG40），2009.1-2011.12，項(xiàng)目主持人 8. “基于光纖光柵的光纖激光傳感器研究”，上海市教委科研創(chuàng)新重點(diǎn)項(xiàng)目（09ZZ92），2009.1-2011.12，項(xiàng)目主持人【講授課程】目前講授的主要課程： 1．《光電子學(xué)》本科課程； 2．《光子學(xué)基礎(chǔ)》本科課程； 3．《改變生活的光子學(xué)》新生研討課； 4．《光電子技術(shù)》碩士研究生課程； 5．《電子科學(xué)與技術(shù)進(jìn)展》碩士研究生課程【研究生培養(yǎng)】已畢業(yè)研究生：鄒芳（博士）、張亮（博士）、趙云鶴（博士）、蔡同健、涂文濤、陳劍峰、鄒建、楊丹、高芳芳、武蕊、李峰、武昭弟、朱麗妮、宋進(jìn)華、趙毓琛、孟令濤、陳文韜、周超、宋紅亮、石磊、李兵、鄭光軍、王清泉、王渴望、孟欣禹、曹西標(biāo)、田丹丹、趙潤晗、趙維程、李廣生、王云龍、申繪欣、吳喬。在讀研究生：趙馨藝（博士生）、劉祖耀（博士生）、姜晨（博士生）、黃露、司曉龍、徐承橙、李穎、郭凱、李明旭、吳林坊。【招生方向】歡迎具有光電子學(xué)、光子學(xué)與光子技術(shù)、光纖通信與光纖傳感、光學(xué)、光學(xué)工程以及通信專業(yè)背景和興趣的同學(xué)報(bào)考碩士及博士研究生【博士后招收】歡迎具有光電子學(xué)、光子學(xué)與光子技術(shù)、光通信與光傳感、光學(xué)、光學(xué)工程以及通信專業(yè)背景的優(yōu)秀博士加入，詳情請發(fā)郵件聯(lián)系（E-mail: yqliu@shu.edu.cn）【授權(quán)專利】 1. 劉云啟，趙云鶴，武昭弟，華陽，張小貝，王廷云. 制作錐形光纖長周期光柵裝置和封裝的方法，授權(quán)日：2017.09.24，中國，授權(quán)號(hào)：ZL 2014 1 0493274.9 2. 劉云啟，張亮，石紹華，宋紅亮，王廷云. 一種大角度光纖旋轉(zhuǎn)裝置，授權(quán)日：2016.10.19，中國，授權(quán)號(hào)：ZL 2015 1 0206874.7 3. 劉云啟，涂文濤，楊丹，鄒建，王廷云. 制作應(yīng)力折變型長周期光纖光柵的裝置和方法，授權(quán)日：2013.06.19，中國，授權(quán)號(hào)：ZL 2011 1 10059612.4 4. 劉云啟，鄒建，楊丹，武昭弟，王廷云. 制作保偏長周期光纖光柵的裝置和方法，授權(quán)日：2013.06.19，中國，授權(quán)號(hào)：ZL 2011 1 0256050.2 【代表性論著】近期發(fā)表主要期刊論文： 1. Yuan-Feng Zhu, Ming-Yang Chen, Yunqi Liu, “Nested Low-Loss Hollow Core Fiber”, IEEE Journal of Selected Topics in Quantum Electronics, 2019, DOI: 10.1109/JSTQE.2019.2893776. 2. 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. 3. 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. 4. 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,” J. Lightwave Technol., 2019, 37(3), 889-896. 5. 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. 6. 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. 7. Yunhe Zhao, Tianxing Wang, Chenbo Mou, Zhijun Yan, Yunqi Liu, and T. Wang, “All-fiber vortex laser generated with few-mode long-period gratings,” IEEE Photonics Technology Letters, 2018, 30(8), 752-755. 8. 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. 9. 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. 10. 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. 11. 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. 12. 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. 13. 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. 14. 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. 15. 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. 16. 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. 17. 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. 18. 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. 19. 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. 會(huì)議論文： 1. Chen Jiang, Yunqi Liu, Chengbo Mou, Tingyun Wang, “Twist sensor using chiral long-period grating written in the double-cladding fiber”, Conference on Lasers and Electro-Optics (CLEO), San Jose, California, USA, 5-10 May 2019. 2. Qianqian Huang, Chen Jiang, Chuanhang Zou, Zinan Huang, Chengbo Mou, Yunqi Liu, “1.94 GHz passively harmonic mode-locked all-fiber laser using polarization-maintaining helical long-period grating”, Conference on Lasers and Electro-Optics (CLEO), San Jose, California, USA, 5-10 May 2019. 3. Xinyi Zhao, Zuyao Liu, Yunqi Liu, Chengbo Mou, Lei Shen, Lei Zhang and Jie Luo, “CO₂ laser inscribed helical long-period grating in six-mode fiber”, Asia Communications and Photonics Conference (ACP 2018), 26-29 Oct. 2018, Hangzhou, China. 4. Zuyao Liu, Xinyi Zhao, Yunqi Liu, Songnian Fu, Chengbo Mou, Fang Zou, “LP01-LP11a/b mode converter based on long-period grating in elliptical few-mode fiber”, Asia Communications and Photonics Conference (ACP 2018), 26-29 Oct. 2018, Hangzhou, China. 5. Lu Huang, Yunqi Liu, Yunhe Zhao, “Simultaneous bending and temperature measurements based on double exposed long period fiber gratings”, Asia Communications and Photonics Conference (ACP 2018), 26-29 Oct. 2018, Hangzhou, China. 6. Chengcheng Xu, Yunqi Liu, Chen Jiang, Tingyun Wang, “Characteristics of helical long-period gratings written in different SMFs by CO₂-laser”, Asia Communications and Photonics Conference (ACP 2018), 26-29 Oct. 2018, Hangzhou, China. 7. Huixin Shen, Yunqi Liu, Chen Jiang, Chengbo Mou, Tingyun Wang, “Elliptical measurement of current sensing based on helical long period grating written in polarization-maintaining fiber”, 26th International Conference on Optical Fibre Sensors (OFS), Lausanne, Switzerland, 24-28 Sept. 2018. 8. Chen Jiang, Yunqi Liu, Yunhe Zhao, Tingyun Wang, “Characteristics of CO₂-laser inscribed polarization-maintaining fiber helical long period gratings”, 13th Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR 2018), Hong Kong, 28 July-3 Aug., 2018. 9. Yunlong Wang, Yunqi Liu, Fang Zou, Chen Jiang, Lu Huang, Tingyun Wang, “Humidity sensor based on long period grating coated with Polyethylene Glycol/Polyvinyl Alcohol”, 13th Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR 2018), Hong Kong, 28 July-3 Aug., 2018. 10. Zuyao Liu, Yunqi Liu, Chengbo Mou, Songnian Fu, “Helical long-period grating inscription in graded-index few-mode fiber for temperature sensing”, 13th Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR 2018), Hong Kong, 28 July-3 Aug., 2018. 11. Yunhe Zhao, Yunqi Liu, Chen Jiang, Chengbo Mou, and Tingyun Wang, “Ultra-broadband mode converter based on an apodized long-period grating in two-mode fiber”, 13th Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR 2018), Hong Kong, 28 July-3 Aug., 2018. 12. Chen Jiang, Yunqi Liu, Yunhe Zhao, Liang Zhang, Chenbo Mou, Tingyun Wang, “Helical Long-period Fiber Grating Written in Polarization maintaining Fiber by CO₂-laser”, Conference on Lasers and Electro-Optics (CLEO), SM2K.2, San Jose, California, USA, 2018. 13. Yunhe Zhao, H. S. Chen, N. K. Fontaine, J. X. Li, R. Ryf, and Yunqi Liu, “Mode scrambler using CO₂-laser Inscribed Long-period Gratings”, Conference on Lasers and Electro-Optics (CLEO), STh3K.5, San Jose, California, USA, 2018. 14. Yunhe Zhao, Yunqi Liu, Chengbo Mou, Neil Gordon, Kaiming Zhou, Lin Zhang, Tingyun Wang”, Femtosecond laser inscribed axial long-period fiber gratings in two-mode fiber for efficient optical angular momentum generation”, 2017 Optical Fiber Communication Conference (OFC)，Los Angeles, California，2017.03.01-2017.03.05. 15. Zuyao Liu, Yunqi Liu, Chengbo Mou, Fang Zou, Tingyun Wang, “High sensitivity refractometer based on long-period fiber gratings with high diffraction order mode at turning point”, The 12th Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR 2017), Singapore, 2017.07.31-2017.08.04. 16. Qingquan Wang, Yunqi Liu, Chengbo Mou, Fang Zou, Tingyun Wang, “Fabrication of double-helix chiral long-period grating in polarization-maintain fiber by CO₂ laser”, The 12th Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR 2017), Singapore, 2017.07.31-2017.08.04. 17. Yunhe Zhao, Changle Wang, Guolu Yin, Biqiang Jiang, Kaiming Zhou, Chengbo Mou, Yunqi Liu, Lin Zhang and Tingyun Wang, “Fiber specklegram sensor based on the twist-induced effect in tilted two-mode fiber Bragg gratings”, The 12th Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR 2017), Singapore, 2017.07.31-2017.08.04. 18. Xinyi Zhao, Yunqi Liu, Zuyao Liu, Yunhe Zhao, Tingyun Wang, Lei Shen, and Su Chen, “Mode converter based on the long-period fiber gratings written in the six-mode fiber”, The 16th IEEE International Conference on Optical Communications & Networks (ICOCN 2017), Wuzhen, Zhejiang, 2017.08.07-2017.08.10. 19. Runhan Zhao, Yunqi Liu, Yunlong Wang, Xingyu Meng, Tingyun Wang, “All-fiber mode converter based on fiber grating and multimode interference”, The 16th IEEE International Conference on Optical Communications & Networks (ICOCN 2017), Wuzhen, Zhejiang, 2017.08.07-2017.08.10. (Best Student Award) 20. Yunhe Zhao, Changle Wang, Zuyao Liu, Kaiming Zhou, Chengbo Mou, Yunqi Liu, Lin Zhang and Tingyun Wang, “Generation of multiple-order OAM modes using a tilted few-mode fiber Bragg grating”, Asia Communications and Photonics Conference (ACP 2017), Guangzhou, China, 2017.11.10-2017.11.13. 21. Yunhe Zhao, Tianxing Wang, Chengbo Mou, Zhijun Yan, Yunqi Liu, Tingyun Wang, “All-fiber laser generating orbital angular momentum beams based on a two-mode fiber long-period grating”，2016 Asia Communications and Photonics Conference (ACP 2016), Wuhan, 2016.11.2-2016.11.5. 22. Yunhe Zhao, Yunqi Liu, Chenyi Zhang, Jianxiang Wen, Tingyun Wang, “Mode conversion of four-mode fiber with CO₂-laser written long-period fiber gratings”, The 2016 Frontiers in Optics/Laser Science Conference, Rochester, New York, 2016.10.17-2016.10.21. 23. Xingyu Meng，Yunqi Liu，Tingyun Wang, “Temperature-insensitive optical strain sensor based on interlaced tilted phase-shifted long-period fiber grating”, 15th International Conference on Optical Communications and Networks (ICOCN 2016), Hangzhou, 2016.9.24-2016.9.27. (Best Student Award) 24. Dandan Tian, Yunqi Liu, Xibiao Cao, Liang Zhang, Tingyun Wang, “Sensing characteristics of CO₂-laser written helical long-period fiber gratings”, 15th International Conference on Optical Communications and Networks (ICOCN 2016), Hangzhou, Zhejiang, 2016.9.24-2016.9.27. 25. Kewang Wang, Yunqi Liu, Guangjun Zheng, Tingyun Wang, “Refractive index sensing characteristics of tilted long period fiber gratings”, 15th International Conference on Optical Communications and Networks (ICOCN 2016), Hangzhou, Zhejiang, 2016.9.24-2016.9.27. 26. Guangjun Zheng, Yunqi Liu, Lei Shi, Runhan Zhao, Tingyun Wang, “Reflective index sensors based on tilted fiber Bragg grating inscribed in the thincore fiber, 15th International Conference on Optical Communications and Networks (ICOCN 2016), Hangzhou, Zhejiang, 2016.9.24-2016.9.27. 27. Xibiao Cao, Yunqi Liu, Kewang Wang, Qingquan Wang, Tingyun Wang, “Fabrication and sensing characteristics of chiral long-period fiber gratings written in the single-mode fiber by CO₂ laser”, 15th International Conference on Optical Communications and Networks (ICOCN 2016), Hangzhou, Zhejiang, 2016.9.24-2016.9.27. 28. Liang Zhang，Yunqi Liu，Yunhe Zhao，Tingyun Wang, “A highly sensitive sensor based on a novel helical long period fiber grating written in the rotated fiber by CO₂ laser”, Asia Communications and Photonics Conference (ACP 2015), Hong Kong, 2015.11.19-2015.11.23. 29. Xinyu Meng, Yunqi Liu, Yunhe Zhao, Tingyun Wang, “Optical fiber bending sensor based on an interlaced tilted long period grating”, Asia Communications and Photonics Conference (ACP 2015), Hong Kong, 2015.11.19-2015.11.23. 30. Yunhe Zhao, Yunqi Liu, Jianxiang Wen, Tingyun Wang, ”Mode converter based on the long period fiber gratings written in two mode fiber”, 20th Opto-Electronics and Communications Conference (OECC 2015), Shanghai, 2015.6.28-2015.7.2. 31. Liang Zhang, Yunqi Liu, Hongliang Song, Tingyun Wang, “Fabrication and sensing characteristics of helical long-period fiber gratings written in the rotated fiber by CO₂ laser”, 24th International Conference on Optical Fibre Sensors (OFS), 2015, Vol. 9634, p. 96346Y.

	Professor Liu Yunqi, Ph.D
	Office：	Room B415, Building #12, East Baoshan Campus, Shanghai University
	Mail Address：	School of Communication and Information Engineering, Shanghai University, No. 333, Nanchen Road, Shanghai, P. R. China
	Zip Code：	200444
	Phone：	86-21-66136332（O）
	Email：	yqliu@shu.edu.cn
中文版	URL：	/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 160 technical research papers have been published in journals and conferences. More than 130 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. 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. “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. 2. “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. 3. “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. 4. “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. 5. “Researches on key techniques of distributed fiber laser sensors”, Key Project of Shanghai Science and Technology Commission (09530500600), 2009.8-2012.6, PI. 6. “Researches on long-period gratings written in microstructure specialty fibers”, Shanghai Pujiang Program (09PJ1404600), 2009.7-2011.7, PI. 7. “Researches on cladding mode based fiber passive devices and their sensing application”, Shuguang Program of Shanghai Education Commission (08SG40), 2009.1-2011.12, PI. 8. “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. Photonics that Changes Your Life (for undergraduate student) 4. Optical Electronic Technology (for graduate student) 5. Progress of Electronic Science and Technology (for graduate student) Research Students Supervision: Graduated students: Fang Zou (Ph. D), Liang Zhang (Ph. D), Yunhe Zhao (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. Current Graduate students: Xinyi Zhao (Ph. D student), Zuyao Liu (Ph. D student), Chen Jiang (Ph. D student), Lu Huang, Xiaolong Si, Chengcheng Xu, Ying Li, Kai Guo, Mingxu Li and Linfang Wu. Patents: 1. Yunqi Liu, Yunhe Zhao, Zhaodi Wu, Yang Hua, Xiaobei Zhang, Tingyun Wang, The device and package method for the fabrication of tapered fiber long-period gratings, Patent ZL 2014 1 0493274.9 2. Yunqi Liu, Liang Zhang, Shaohua Shi, Hongliang Song, Tingyun Wang, The device for the fiber rotation with large tuning angle, Patent ZL 2015 1 0206874.7 3. Yunqi Liu, Wentao Tu, Dan Yang, Jian Zou, Tingyun Wang, The device and method for the fabrication of long-period fiber gratings based on the stress-induced refractive index modulation, Patent ZL 2011 1 10059612.4 4. Yunqi Liu, Jian Zou, Dan Yang, Zhaodi Wu, Tingyun Wang, The device and method for the fabrication of polarization maintaining fiber long-period gratings, Patent ZL 2011 1 0256050.2 Recent Representative Publications: In Journals: 1. Yuan-Feng Zhu, Ming-Yang Chen, Yunqi Liu, “Nested Low-Loss Hollow Core Fiber”, IEEE Journal of Selected Topics in Quantum Electronics, 2019, DOI: 10.1109/JSTQE.2019.2893776. 2. 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. 3. 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. 4. 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,” J. Lightwave Technol., 2019, 37(3), 889-896. 5. 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. 6. 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. 7. Yunhe Zhao, Tianxing Wang, Chenbo Mou, Zhijun Yan, Yunqi Liu, and T. Wang, “All-fiber vortex laser generated with few-mode long-period gratings,” IEEE Photonics Technology Letters, 2018, 30(8), 752-755. 8. 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. 9. 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. 10. 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. 11. 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. 12. 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. 13. 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. 14. 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. 15. 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. 16. 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. 17. 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. 18. 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. 19. 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. In Conference: 1. Chen Jiang, Yunqi Liu, Chengbo Mou, Tingyun Wang, “Twist sensor using chiral long-period grating written in the double-cladding fiber”, Conference on Lasers and Electro-Optics (CLEO), San Jose, California, USA, 5-10 May 2019. 2. Qianqian Huang, Chen Jiang, Chuanhang Zou, Zinan Huang, Chengbo Mou, Yunqi Liu, “1.94 GHz passively harmonic mode-locked all-fiber laser using polarization-maintaining helical long-period grating”, Conference on Lasers and Electro-Optics (CLEO), San Jose, California, USA, 5-10 May 2019. 3. Xinyi Zhao, Zuyao Liu, Yunqi Liu, Chengbo Mou, Lei Shen, Lei Zhang and Jie Luo, “CO₂ laser inscribed helical long-period grating in six-mode fiber”, Asia Communications and Photonics Conference (ACP 2018), 26-29 Oct. 2018, Hangzhou, China. 4. Zuyao Liu, Xinyi Zhao, Yunqi Liu, Songnian Fu, Chengbo Mou, Fang Zou, “LP01-LP11a/b mode converter based on long-period grating in elliptical few-mode fiber”, Asia Communications and Photonics Conference (ACP 2018), 26-29 Oct. 2018, Hangzhou, China. 5. Lu Huang, Yunqi Liu, Yunhe Zhao, “Simultaneous bending and temperature measurements based on double exposed long period fiber gratings”, Asia Communications and Photonics Conference (ACP 2018), 26-29 Oct. 2018, Hangzhou, China. 6. Chengcheng Xu, Yunqi Liu, Chen Jiang, Tingyun Wang, “Characteristics of helical long-period gratings written in different SMFs by CO₂-laser”, Asia Communications and Photonics Conference (ACP 2018), 26-29 Oct. 2018, Hangzhou, China. 7. Huixin Shen, Yunqi Liu, Chen Jiang, Chengbo Mou, Tingyun Wang, “Elliptical measurement of current sensing based on helical long period grating written in polarization-maintaining fiber”, 26th International Conference on Optical Fibre Sensors (OFS), Lausanne, Switzerland, 24-28 Sept. 2018. 8. Chen Jiang, Yunqi Liu, Yunhe Zhao, Tingyun Wang, “Characteristics of CO₂-laser inscribed polarization-maintaining fiber helical long period gratings”, 13th Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR 2018), Hong Kong, 28 July-3 Aug., 2018. 9. Yunlong Wang, Yunqi Liu, Fang Zou, Chen Jiang, Lu Huang, Tingyun Wang, “Humidity sensor based on long period grating coated with Polyethylene Glycol/Polyvinyl Alcohol”, 13th Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR 2018), Hong Kong, 28 July-3 Aug., 2018. 10. Zuyao Liu, Yunqi Liu, Chengbo Mou, Songnian Fu, “Helical long-period grating inscription in graded-index few-mode fiber for temperature sensing”, 13th Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR 2018), Hong Kong, 28 July-3 Aug., 2018. 11. Yunhe Zhao, Yunqi Liu, Chen Jiang, Chengbo Mou, and Tingyun Wang, “Ultra-broadband mode converter based on an apodized long-period grating in two-mode fiber”, 13th Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR 2018), Hong Kong, 28 July-3 Aug., 2018. 12. Chen Jiang, Yunqi Liu, Yunhe Zhao, Liang Zhang, Chenbo Mou, Tingyun Wang, “Helical Long-period Fiber Grating Written in Polarization maintaining Fiber by CO₂-laser”, Conference on Lasers and Electro-Optics (CLEO), SM2K.2, San Jose, California, USA, 2018. 13. Yunhe Zhao, H. S. Chen, N. K. Fontaine, J. X. Li, R. Ryf, and Yunqi Liu, “Mode scrambler using CO₂-laser Inscribed Long-period Gratings”, Conference on Lasers and Electro-Optics (CLEO), STh3K.5, San Jose, California, USA, 2018. 14. Yunhe Zhao, Yunqi Liu, Chengbo Mou, Neil Gordon, Kaiming Zhou, Lin Zhang, Tingyun Wang”, Femtosecond laser inscribed axial long-period fiber gratings in two-mode fiber for efficient optical angular momentum generation”, 2017 Optical Fiber Communication Conference (OFC)，Los Angeles, California，2017.03.01-2017.03.05. 15. Zuyao Liu, Yunqi Liu, Chengbo Mou, Fang Zou, Tingyun Wang, “High sensitivity refractometer based on long-period fiber gratings with high diffraction order mode at turning point”, The 12th Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR 2017), Singapore, 2017.07.31-2017.08.04. 16. Qingquan Wang, Yunqi Liu, Chengbo Mou, Fang Zou, Tingyun Wang, “Fabrication of double-helix chiral long-period grating in polarization-maintain fiber by CO₂ laser”, The 12th Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR 2017), Singapore, 2017.07.31-2017.08.04. 17. Yunhe Zhao, Changle Wang, Guolu Yin, Biqiang Jiang, Kaiming Zhou, Chengbo Mou, Yunqi Liu, Lin Zhang and Tingyun Wang, “Fiber specklegram sensor based on the twist-induced effect in tilted two-mode fiber Bragg gratings”, The 12th Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR 2017), Singapore, 2017.07.31-2017.08.04. 18. Xinyi Zhao, Yunqi Liu, Zuyao Liu, Yunhe Zhao, Tingyun Wang, Lei Shen, and Su Chen, “Mode converter based on the long-period fiber gratings written in the six-mode fiber”, The 16th IEEE International Conference on Optical Communications & Networks (ICOCN 2017), Wuzhen, Zhejiang, 2017.08.07-2017.08.10. 19. Runhan Zhao, Yunqi Liu, Yunlong Wang, Xingyu Meng, Tingyun Wang, “All-fiber mode converter based on fiber grating and multimode interference”, The 16th IEEE International Conference on Optical Communications & Networks (ICOCN 2017), Wuzhen, Zhejiang, 2017.08.07-2017.08.10. (Best Student Award) 20. Yunhe Zhao, Changle Wang, Zuyao Liu, Kaiming Zhou, Chengbo Mou, Yunqi Liu, Lin Zhang and Tingyun Wang, “Generation of multiple-order OAM modes using a tilted few-mode fiber Bragg grating”, Asia Communications and Photonics Conference (ACP 2017), Guangzhou, China, 2017.11.10-2017.11.13. 21. Yunhe Zhao, Tianxing Wang, Chengbo Mou, Zhijun Yan, Yunqi Liu, Tingyun Wang, “All-fiber laser generating orbital angular momentum beams based on a two-mode fiber long-period grating”，2016 Asia Communications and Photonics Conference (ACP 2016), Wuhan, 2016.11.2-2016.11.5. 22. Yunhe Zhao, Yunqi Liu, Chenyi Zhang, Jianxiang Wen, Tingyun Wang, “Mode conversion of four-mode fiber with CO₂-laser written long-period fiber gratings”, The 2016 Frontiers in Optics/Laser Science Conference, Rochester, New York, 2016.10.17-2016.10.21. 23. Xingyu Meng，Yunqi Liu，Tingyun Wang, “Temperature-insensitive optical strain sensor based on interlaced tilted phase-shifted long-period fiber grating”, 15th International Conference on Optical Communications and Networks (ICOCN 2016), Hangzhou, 2016.9.24-2016.9.27. (Best Student Award) 24. Dandan Tian, Yunqi Liu, Xibiao Cao, Liang Zhang, Tingyun Wang, “Sensing characteristics of CO₂-laser written helical long-period fiber gratings”, 15th International Conference on Optical Communications and Networks (ICOCN 2016), Hangzhou, Zhejiang, 2016.9.24-2016.9.27. 25. Kewang Wang, Yunqi Liu, Guangjun Zheng, Tingyun Wang, “Refractive index sensing characteristics of tilted long period fiber gratings”, 15th International Conference on Optical Communications and Networks (ICOCN 2016), Hangzhou, Zhejiang, 2016.9.24-2016.9.27. 26. Guangjun Zheng, Yunqi Liu, Lei Shi, Runhan Zhao, Tingyun Wang, “Reflective index sensors based on tilted fiber Bragg grating inscribed in the thincore fiber, 15th International Conference on Optical Communications and Networks (ICOCN 2016), Hangzhou, Zhejiang, 2016.9.24-2016.9.27. 27. Xibiao Cao, Yunqi Liu, Kewang Wang, Qingquan Wang, Tingyun Wang, “Fabrication and sensing characteristics of chiral long-period fiber gratings written in the single-mode fiber by CO₂ laser”, 15th International Conference on Optical Communications and Networks (ICOCN 2016), Hangzhou, Zhejiang, 2016.9.24-2016.9.27. 28. Liang Zhang，Yunqi Liu，Yunhe Zhao，Tingyun Wang, “A highly sensitive sensor based on a novel helical long period fiber grating written in the rotated fiber by CO₂ laser”, Asia Communications and Photonics Conference (ACP 2015), Hong Kong, 2015.11.19-2015.11.23. 29. Xinyu Meng, Yunqi Liu, Yunhe Zhao, Tingyun Wang, “Optical fiber bending sensor based on an interlaced tilted long period grating”, Asia Communications and Photonics Conference (ACP 2015), Hong Kong, 2015.11.19-2015.11.23. 30. Yunhe Zhao, Yunqi Liu, Jianxiang Wen, Tingyun Wang, ”Mode converter based on the long period fiber gratings written in two mode fiber”, 20th Opto-Electronics and Communications Conference (OECC 2015), Shanghai, 2015.6.28-2015.7.2. 31. Liang Zhang, Yunqi Liu, Hongliang Song, Tingyun Wang, “Fabrication and sensing characteristics of helical long-period fiber gratings written in the rotated fiber by CO₂ laser”, 24th International Conference on Optical Fibre Sensors (OFS), 2015, Vol. 9634, p. 96346Y.