Dr. Huayong Zhang Profile

Dr. Huayong Zhang

at Tsinghua Univ

SPIE Involvement:

Author

Publications (7)

Proceedings Article | 23 December 2013 Paper

Analysis of total harmonic distortion in phase generated carrier demodulation algorithm by digital arctangent approach

Huayong Zhang, Min Zhang

Proceedings Volume 9043, 90430M (2013) https://doi.org/10.1117/12.2035230

KEYWORDS: Phase shift keying, Modulation, Distortion, Demodulation, Linear filtering, Bessel functions, Evolutionary algorithms, Fiber optics, Signal detection, Fiber optics sensors

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Proceedings Article | 7 November 2012 Paper

Noise floor analysis of the phase demodulation scheme using a 3×3 coupler

Huayong Zhang, Min Zhang, Yanbiao Liao

Proceedings Volume 8421, 842195 (2012) https://doi.org/10.1117/12.973676

KEYWORDS: Demodulation, Interference (communication), Fiber optics sensors, Interferometry, Photodetectors, Fiber optics, Sensors, Ferroelectric materials, Fourier transforms, Phase shift keying

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Proceedings Article | 23 November 2011 Paper

An improved PGC demodulation method to suppress the impact of laser intensity modulation

Huayong Zhang, Min Zhang, Liwei Wang, Yanbiao Liao, D. N. Wang

Proceedings Volume 8199, 81990Q (2011) https://doi.org/10.1117/12.903706

KEYWORDS: Modulation, Demodulation, Linear filtering, Phase shift keying, Distortion, Optical simulations, Calibration, Frequency modulation, Interferometers, Interferometry

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Proceedings Article | 9 November 2010 Paper

A new phase generated carrier demodulation method based on fixed phase delay

Qingping Shi, Liwei Wang, Huayong Zhang, Changdong Tian, Min Zhang, Qian Tian, Yanbiao Liao

Proceedings Volume 7853, 785335 (2010) https://doi.org/10.1117/12.870378

KEYWORDS: Phase shift keying, Demodulation, Modulation, Signal to noise ratio, Frequency modulation, Directional couplers, Fermium, Interferometry, Sensors, Fiber optics sensors

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SPIE Journal Paper | 1 February 2010

Performance improvement of phase-generated carrier method by eliminating laser-intensity modulation for optical seismometer

Qingping Shi, Qian Tian, Liwei Wang, Changdong Tian, Huayong Zhang, Min Zhang, Yanbiao Liao, Honghua Wang, Xiang Zeng, Longjun Huang

OE, Vol. 49, Issue 02, 024402, (February 2010) https://doi.org/10.1117/12.10.1117/1.3294878

KEYWORDS: Signal to noise ratio, Modulation, Demodulation, Phase shift keying, Ocean optics, Seismic sensors, Laser optics, Semiconductor lasers, Optical engineering, Fiber optics sensors

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Proceedings Article | 5 October 2009 Paper

Performance improvement of PGC method by using lookup table for optical seismometer

Changdong Tian, Liwei Wang, Min Zhang, Huayong Zhang, Xiaohui Chu, Shurong Lai, Yanbiao Liao

Proceedings Volume 7503, 750348 (2009) https://doi.org/10.1117/12.834107

KEYWORDS: Demodulation, Laser induced damage, Modulation, Ocean optics, Interferometers, Linear filtering, Phase shift keying, Laser sources, Sensors, Michelson interferometers

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Proceedings Article | 10 June 2006 Paper

An analysis of designing a CW double-clad fiber laser

Jiping Ning, Lianju Shang, Guofang Fan, Zhiqiang Chen, Qun Han, Huayong Zhang

Proceedings Volume 6344, 63440O (2006) https://doi.org/10.1117/12.693424

KEYWORDS: Fiber lasers, Reflectivity, Continuous wave operation, Numerical simulations, Signal attenuation, Absorption, Optical design, Laser development, Fluctuations and noise, Optoelectronics

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Showing 5 of 7 publications

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