Prof. Haiwen Cai Profile

Prof. Haiwen Cai

Professor at Shanghai Institute of Optics and Fine Mechanics

SPIE Involvement:

Author

Publications (35)

SPIE Journal Paper | 27 January 2024 Open Access

Recent progress on inverse design for integrated photonic devices: methodology and applications

Ruoyu Shen, Bingzhou Hong, Xiuyan Ren, Fenghe Yang, Wei Chu, Haiwen Cai, Weiping Huang

JNP, Vol. 18, Issue 01, 010901, (January 2024) https://doi.org/10.1117/12.10.1117/1.JNP.18.010901

KEYWORDS: Design, Integrated photonics, Particle swarm optimization, Electron beam lithography, Fabrication, Mathematical optimization, Waveguides, Photonic integrated circuits, Polarization, Multiplexers

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Proceedings Article | 24 November 2023 Paper

Distributed fiber seismic detection coverage and earthquake magnitude estimation

Junqi Yang, Xiuqing Song, Zhaoyong Wang, Yifan Liu, Luwei Shuai, Junxiang Zhao, Qing Ye, Haiwen Cai

Proceedings Volume 12935, 129353F (2023) https://doi.org/10.1117/12.3007764

KEYWORDS: Optical sensing, Earthquakes, Optical fibers, Environmental monitoring, Sensors, Seismic sensors

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Proceedings Article | 15 December 2022 Paper

Hybrid integrated self-injection locked narrow linewidth laser based on feedback tunable silicon nitride micro-ring resonator

Qingshuai Su, Fang Wei, Chen Chen, Haoyang Pi, Dijun Chen, Fenghe Yang, Anton Stroganov, Huimin Wu, Zhenghao Zhang, Fei Yang, Qing Ye, Haiwen Cai

Proceedings Volume 12478, 124782C (2022) https://doi.org/10.1117/12.2654736

KEYWORDS: Tunable lasers, Semiconductor lasers, Laser resonators, Resonators, Microrings, Silicon, Reflectors, Waveguides, Hybrid silicon lasers

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Proceedings Article | 21 January 2022 Paper

Frequency stabilized ultra-low-noise DFB fiber laser based on intracavity dual mode frequency self-reference mechanism

Kang Ying, Haoyang Pi, Xuan Li, Qing Ye, Haiwen Cai

Proceedings Volume 12154, 121540C (2022) https://doi.org/10.1117/12.2622623

KEYWORDS: Laser stabilization, Fiber lasers, Laser sources, Polarization, Laser resonators, Laser applications, Modes of laser operation, Optical metrology

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Proceedings Article | 12 March 2020 Paper

Measurement method of noise characterization of highly coherent laser and its applications in coherent sensing and imaging

Jiejun Zhao, Fei Yang, Zhidan Ding, Rui Wu, Haiwen Cai

Proceedings Volume 11438, 114380S (2020) https://doi.org/10.1117/12.2549217

KEYWORDS: Laser applications, Coherence imaging, Interferometers, Data acquisition, Phase measurement, Phase interferometry, Imaging systems, Sensing systems, Fiber lasers, Interference (communication)

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Proceedings Article | 5 November 2018 Paper

Low noise single frequency DFB fiber laser

Kang Ying, Haiwen Cai, Fang Wei, Fei Yang, Dijun Chen, Ronghui Qu

Proceedings Volume 10811, 1081108 (2018) https://doi.org/10.1117/12.2503251

KEYWORDS: Fiber lasers, Negative feedback, Fiber Bragg gratings, Laser resonators, Carbon, Photothermal effect, Laser sources, Laser development, Turbulence

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Proceedings Article | 23 April 2017 Paper

Novel railway-subgrade vibration monitoring technology using phase-sensitive OTDR

Zhaoyong Wang, Bin Lu, Hanrong Zheng, Qing Ye, Zhengqing Pan, Haiwen Cai, Ronghui Qu, Zujie Fang, Howell Zhao

Proceedings Volume 10323, 103237G (2017) https://doi.org/10.1117/12.2265169

KEYWORDS: Safety, Fiber optics sensors, Reflectometry, Signal processing, Signal detection, Interference (communication), Optical amplifiers, Bragg cells, Knowledge management, Signal to noise ratio

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Proceedings Article | 23 April 2017 Paper

Pulse compression phase sensitive optical time domain reflectometer with sub-meter resolution

Bin Lu, Zhaoyong Wang, Hanrong Zheng, Qing Ye, Ronghui Qu, Howell Zhao, Haiwen Cai

Proceedings Volume 10323, 103230O (2017) https://doi.org/10.1117/12.2264980

KEYWORDS: Spatial resolution, Reflectometry, Signal to noise ratio, Frequency modulation, Signal detection, Ferroelectric materials, Data acquisition, Modulation, Bragg cells, Digital signal processing

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Proceedings Article | 9 November 2016 Paper

Narrow linewidth hybrid integrated external cavity diode laser for precision applications

Fang Wei, Guangwei Sun, Li Zhang, Gaoting Chen, Guofeng Xin, Dijun Chen, Haiwen Cai

Proceedings Volume 10017, 100170W (2016) https://doi.org/10.1117/12.2246143

KEYWORDS: Semiconductor lasers, Laser applications, Fiber Bragg gratings, Polarization, Reflectivity, Reliability, Information operations, Phase modulation, Laser optics, Polarization maintaining fibers

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Proceedings Article | 28 September 2015 Paper

Narrow-linewidth laser source with precision frequency tunability for distributed optical sensing applications

Fang Wei, Bin Lu, Yulong Cao, Zhengqing Pan, Dijun Chen, Qing Ye, Haiwen Cai, Ronghui Qu, Hao Zhao

Proceedings Volume 9634, 96346V (2015) https://doi.org/10.1117/12.2194489

KEYWORDS: Laser sources, Modulation, Optical sensing, Signal detection, Semiconductor lasers, Optical amplifiers, Tunable lasers, Spatial resolution, Phase shift keying, Laser scattering

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Proceedings Article | 3 December 2014 Paper

High side-mode suppression ratio laser output by single sideband injection locking of semiconductor lasers

Jian Wang, Dijun Chen, Haiwen Cai, Ronghui Qu, Wei Fang, Zujie Fang

Proceedings Volume 9267, 92670A (2014) https://doi.org/10.1117/12.2074234

KEYWORDS: Semiconductor lasers, Fiber lasers, Laser optics, Modulators, Laser applications, Microwave radiation, Signal to noise ratio, Modulation, Integrated optics, Signal generators

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Proceedings Article | 2 June 2014 Paper

Mitigation of polarization fading in BOTDR sensors by using optical pulses with orthogonal polarizations

Yulong Cao, Qing Ye, Zhengqing Pan, Haiwen Cai, Ronghui Qu, Zujie Fang, Hao Zhao

Proceedings Volume 9157, 915764 (2014) https://doi.org/10.1117/12.2059283

KEYWORDS: Polarization, Optical fibers, Sensors, Signal to noise ratio, Picosecond phenomena, Signal detection, Scattering, Mach-Zehnder interferometers, Beam splitters, Birefringence

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Proceedings Article | 2 June 2014 Paper

High sampling rate multi-pulse phase-sensitive OTDR employing frequency division multiplexing

Zhengqing Pan, Zhaoyong Wang, Qing Ye, Haiwen Cai, Ronghui Qu, Zujie Fang

Proceedings Volume 9157, 91576X (2014) https://doi.org/10.1117/12.2059729

KEYWORDS: Signal detection, Frequency division multiplexing, Light scattering, Sensing systems, Fused deposition modeling, Sensors, Multiplexing, Rayleigh scattering, Scattering, Acoustics

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Proceedings Article | 7 November 2012 Paper

Improvement of pulse shape on Brillouin optical time domain reflectometry

Yunqi Hao, Qing Ye, Zhengqing Pan, Haiwen Cai, Ronghui Qu

Proceedings Volume 8421, 84219E (2012) https://doi.org/10.1117/12.966336

KEYWORDS: Signal to noise ratio, Sensing systems, Scattering, Rectangular pulse, Reflectometry, Modulation, Spatial resolution, Bragg cells, Signal processing, Interference (communication)

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Proceedings Article | 17 October 2012 Paper

Interference-fading-free phase-demodulated OTDR system

Zhengqing Pan, Kezhen Liang, Jun Zhou, Qing Ye, Haiwen Cai, Ronghui Qu

Proceedings Volume 8421, 842129 (2012) https://doi.org/10.1117/12.975656

KEYWORDS: Amplifiers, Signal to noise ratio, Signal detection, Ferroelectric materials, Modulation, Demodulation, Rayleigh scattering, Distributed computing, Oscillators, Phase shifts

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Proceedings Article | 29 November 2011 Paper

Investigation of single-polarized phosphate glass fiber laser and its self-pulsing behavior

Fei Yang, Zhengqing Pan, Qing Ye, Haiwen Cai, Ronghui Qu

Proceedings Volume 8307, 83070K (2011) https://doi.org/10.1117/12.904324

KEYWORDS: Fiber lasers, Polarization, Glasses, Phase shifts, Modulation, Birefringence, Fiber Bragg gratings, Chaos, Reflectivity, Polarization maintaining fibers

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Proceedings Article | 29 November 2011 Paper

Analysis of bandwidth-reduced local oscillator in Brillouin optical time domain reflectometry

Yun-Qi Hao, Qing Ye, Zheng-qing Pan, Hai-wen Cai, Rong-hui Qu

Proceedings Volume 8311, 831120 (2011) https://doi.org/10.1117/12.904179

KEYWORDS: Fiber lasers, Laser scattering, Scattering, Oscillators, Reflectometry, Signal to noise ratio, Signal attenuation, Light scattering, Optical communications, Sensors

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Proceedings Article | 29 November 2011 Paper

Phase-sensitive OTDR system based on digital coherent detection

Zhengqing Pan, Kezhen Liang, Qing Ye, Haiwen Cai, Ronghui Qu, Zujie Fang

Proceedings Volume 8311, 83110S (2011) https://doi.org/10.1117/12.905657

KEYWORDS: Signal detection, Signal to noise ratio, Light scattering, Fiber lasers, Digital signal processing, Rayleigh scattering, Ferroelectric materials, Modulation, Laser scattering, Oscillators

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Proceedings Article | 16 May 2008 Paper

U-shaped plastic optical fiber dissolved oxygen sensor

Haiwen Cai, Fenghong Chu, Ronghui Qu, Zujie Fang

Proceedings Volume 7004, 70042B (2008) https://doi.org/10.1117/12.785955

KEYWORDS: Oxygen, Sensors, Luminescence, Sol-gels, Annealing, Phase only filters, Ruthenium, Polymer optical fibers, Head, Optical fibers

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Proceedings Article | 21 November 2007 Paper

A dissolved oxygen sensor based on ruthenium fluorescence and u-shaped plastic optical fiber

Fenghong Chu, Haiwen Cai, Ronghui Qu, Zujie Fang

Proceedings Volume 6781, 678108 (2007) https://doi.org/10.1117/12.743249

KEYWORDS: Luminescence, Oxygen, Sensors, Ruthenium, Polymer optical fibers, Phase only filters, Light emitting diodes, Head, Sol-gels, Modulation

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Proceedings Article | 19 November 2007 Paper

Millimeter-wave optical pulse generation using n:1 time multiplexer and temporal Talbot effect

Zhengqing Pan, Qing Ye, Haiwen Cai, Ronghui Qu, Zujie Fang

Proceedings Volume 6783, 678333 (2007) https://doi.org/10.1117/12.743479

KEYWORDS: Modulation, Multiplexers, Extremely high frequency, Picosecond phenomena, Microwave radiation, Radio over Fiber, Signal generators, Dispersion, Numerical simulations, Radio optics

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Proceedings Article | 28 January 2006 Paper

A low loss planar waveguide by using organic-inorganic Sol-Gel

Fu-Fei Pang, Xui-You Han, Hai-Wen Cai, Rong-Hui Qu, Zu-Jie Fang

Proceedings Volume 6025, 60251O (2006) https://doi.org/10.1117/12.667073

KEYWORDS: Waveguides, Planar waveguides, Sol-gels, Refractive index, Light scattering, Directional couplers, Semiconducting wafers, Structured optical fibers, Silicon, Water

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Proceedings Article | 1 December 2005 Paper

Integrated optical racetrack resonator fabricated by silver ion exchange in glass

Xiuyou Han, Fufei Pang, Haiwen Cai, Ronghui Qu, Zujie Fang

Proceedings Volume 6019, 60190B (2005) https://doi.org/10.1117/12.636453

KEYWORDS: Resonators, Waveguides, Glasses, Silver, Integrated optics, Ion exchange, Wave propagation, Phase shifts, Titanium, Reflection

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SPIE Journal Paper | 1 October 2004

Fiber Bragg grating temperature sensor for multiplexed measurement with high resolution

Yage Zhan, Haiwen Cai, Ronghui Qu, Shiqing Xiang, Zujie Fang, Xiangzhao Wang

OE, Vol. 43, Issue 10, (October 2004) https://doi.org/10.1117/12.10.1117/1.1786938

KEYWORDS: Fiber Bragg gratings, Sensors, Temperature sensors, Aluminum, Temperature metrology, Multiplexing, Linear filtering, Optical filters, Optical fibers, Optical resolution

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Proceedings Article | 30 April 2004 Paper

Fiber grating sensors system for civil structural stain monitoring

Haiwen Cai, Zhiping Xia, Jianxin Geng, Yan Zhang, Hongliang Cui

Proceedings Volume 5279, (2004) https://doi.org/10.1117/12.521668

KEYWORDS: Fiber Bragg gratings, Sensors, Structured optical fibers, Fiber optics sensors, Light sources, Photodetectors, Head, Light, Tunable filters, Signal processing

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Proceedings Article | 30 April 2004 Paper

Tunable fiber gratings and their application in sensor systems

Ronghui Qu, Lin Li, Ling Zhao, Kan Gao, Yingwu Zhou, Haiwen Cai, Zujie Fang

Proceedings Volume 5279, (2004) https://doi.org/10.1117/12.529579

KEYWORDS: Fiber Bragg gratings, Sensors, Demodulation, Oscilloscopes, Cladding, Temperature metrology, Packaging, Mechanics, Analytical research, Telecommunications

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Proceedings Article | 30 April 2004 Paper

Fiber Bragg grating temperature sensor with enhanced sensitivity

Yage Zhan, Haiwen Cai, Gao Kan, Ronghui Qu, Shiqing Xiang, Zujie Fang

Proceedings Volume 5279, (2004) https://doi.org/10.1117/12.521665

KEYWORDS: Fiber Bragg gratings, Temperature metrology, Aluminum, Signal attenuation, Sensors, Temperature sensors, Thermal sensing, Demodulation, Optical fibers, Light sources

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Proceedings Article | 18 August 2003 Paper

A civil structural monitoring system based on fiber grating sensors

Yan Zhang, Haiwen Cai, Robert Pastore, Jing Ju, Debing Zeng, Zhifan Yin, Hong-Liang Cui

Proceedings Volume 5057, (2003) https://doi.org/10.1117/12.482693

KEYWORDS: Sensors, Fiber Bragg gratings, Bridges, Signal detection, Structural monitoring, Fiber optics sensors, Signal processing, Light sources, Structured optical fibers, Multiplexing

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Proceedings Article | 28 August 2002 Paper

Q-switched erbium-doped fiber laser based on MZI and ECL

Jiangzhen Xia, Ronghui Qu, Haiwen Cai, Gang Chen, Gaoting Chen, Zujie Fang

Proceedings Volume 4904, (2002) https://doi.org/10.1117/12.481220

KEYWORDS: Q switching, Fiber lasers, Q switched fiber lasers, Modulation, Q switched lasers, Ferroelectric materials, Modulators, Fiber Bragg gratings, Mechanics, Wavelength division multiplexing

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Proceedings Article | 19 October 2001 Paper

Chirped fiber Bragg grating and its application for dispersion compensation in optical communication systems

Lin Li, Haiwen Cai, Ling Zhao, Jiangzhen Xia, Gaoting Chen, Zujie Fang, Liujuan Zhou, Harrison Huang

Proceedings Volume 4579, (2001) https://doi.org/10.1117/12.444889

KEYWORDS: Fiber Bragg gratings, Optical communications, Telecommunications, Dispersion, Diffraction gratings, Optical fibers, Planar waveguides, Fiber characterization, Diffraction

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Proceedings Article | 19 October 2001 Paper

Analysis of a new structure Q-switched erbium-doped fiber laser based on fiber grating loop mirror

Haiwen Cai, Jiangzhen Xia, Gaoting Chen, Zujie Fang, Insoo Kim, Yohee Kim

Proceedings Volume 4579, (2001) https://doi.org/10.1117/12.444897

KEYWORDS: Fiber lasers, Structured optical fibers, Q switched lasers, Mirrors, Optical fibers, Planar waveguides, Modulators, Q switching, Modulation, Laser stabilization

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Proceedings Article | 19 October 2001 Paper

Experimental study of a double-cladding fiber laser

Jiangzhen Xia, Haiwen Cai, Lin Li, Ling Zhao, H. Ren, Bai Chen, Gaoting Chen, Zujie Fang

Proceedings Volume 4579, (2001) https://doi.org/10.1117/12.444895

KEYWORDS: Fiber lasers, Laser applications, Mirrors, Optical fibers, Planar waveguides, High power fiber lasers, Printing, Medicine, Cladding, Semiconductor lasers

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Proceedings Article | 19 October 2001 Paper

Experimental study on cladding mode loss behavior of fiber Bragg gratings by applying stresses

Ling Zhao, Haiwen Cai, Lin Li, Jiangzhen Xia, Kan Gao, Rui Huang, Zujie Fang

Proceedings Volume 4579, (2001) https://doi.org/10.1117/12.444884

KEYWORDS: Cladding, Fiber Bragg gratings, Optical fibers, Planar waveguides

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Proceedings Article | 17 October 2001 Paper

Interleave filter using Mach-Zehnder-based sampled fiber gratings

Haiwen Cai, Huang Rui, Ronghui Qu, Gaoting Chen, Zujie Fang

Proceedings Volume 4581, (2001) https://doi.org/10.1117/12.445057

KEYWORDS: Optical filters, Fluctuations and noise

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Proceedings Article | 9 October 2000 Paper

Measurement of group time delay of a chirped fiber grating

Lin Li, Haiwen Cai, Ronghui Qu, Zujie Fang

Proceedings Volume 4221, (2000) https://doi.org/10.1117/12.402605

KEYWORDS: Modulation, Time metrology, Spatial resolution, Phase shift keying, Spectral resolution, Semiconductor lasers, Reflectivity, Autoregressive models, Diodes, Optical filters

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Showing 5 of 35 publications

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