Dr. He Wen Profile

Dr. He Wen

at Tsinghua Univ

SPIE Involvement:

Author

Publications (18)

Proceedings Article | 14 December 2011 Paper

High-frequency waveform generation based on phase manipulation of optical frequency combs and square-law detection

Guoqiang Zhang, Xiaoping Zheng, Wen He, Hanyi Zhang, Bingkun Zhou

Proceedings Volume 8309, 83092L (2011) https://doi.org/10.1117/12.904310

KEYWORDS: Frequency combs, Modulators, Sensors, Radio optics, Phase measurement, Signal detection, Telecommunications, Mode locking, Interference (communication), Integrated optics

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Proceedings Article | 14 December 2011 Paper

Asynchronous linear optical sampling for monitoring impairments in multilevel signal modulation format generation

He Wen, Wang Ye, Siqi Nie, Xiaoping Zheng, Hanyi Zhang

Proceedings Volume 8309, 83091I (2011) https://doi.org/10.1117/12.904193

KEYWORDS: Modulation, Modulators, Signal generators, Signal processing, Phase shift keying, Digital signal processing, Eye, Transparency, Distortion, Telecommunications

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Proceedings Article | 10 December 2011 Paper

A novel 2-bit photonic digital-to-analog converter based on quadrature phase modulation and differential demodulation

Jinxin Liao, He Wen, Xiaoping Zheng, Bingkun Zhou

Proceedings Volume 8309, 830906 (2011) https://doi.org/10.1117/12.904172

KEYWORDS: Demodulation, Phase modulation, Modulation, Analog electronics, Signal detection, Eye, Digital photography, Interference (communication), Phase shift keying, Signal processing

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Proceedings Article | 10 December 2011 Paper

Detection diversity joint-decision MLSE to compensate chromatic dispersion impairment on optical DPSK

Wang Ye, H. Wen, Xiaoping Zheng

Proceedings Volume 8309, 830910 (2011) https://doi.org/10.1117/12.904432

KEYWORDS: Signal detection, Dispersion, Phase shift keying, Receivers, Modulation, Tolerancing, Optical communications, Interferometers, Data communications, Telecommunications

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Proceedings Article | 30 November 2011 Paper

Optical ultra-wideband pulse generation based on incoherent optical arbitrary waveform generation

Guoqiang Zhang, Xiaoping Zheng, He Wen, Hanyi Zhang, Bingkun Zhou

Proceedings Volume 8307, 83072K (2011) https://doi.org/10.1117/12.904557

KEYWORDS: Modulators, Signal generators, Fourier transforms, Sensors, Polarization, Frequency combs, Phase measurement, Integrated optics, Telecommunications, Picosecond phenomena

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Proceedings Article | 18 February 2011 Paper

Joint-symbol MLSE receiver for phase-shift keying to mitigate PMD by polarization diversity

He Wen, Mingchuan Wei, Xiaoping Zheng, Hanyi Zhang, Yili Guo

Proceedings Volume 7988, 79882A (2011) https://doi.org/10.1117/12.888784

KEYWORDS: Polarization, Phase shift keying, Receivers, Interferometers, Photodetectors, Dispersion, Distributed interactive simulations, Statistical modeling, Data processing, Telecommunications

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Proceedings Article | 18 February 2011 Paper

Optoelectrical clock recovery with dispersion monitoring for high speed transmission

He Wen, Jinxin Liao, Xiaoping Zheng, Hanyi Zhang, Yili Guo

Proceedings Volume 7988, 79880K (2011) https://doi.org/10.1117/12.888575

KEYWORDS: Clocks, Dispersion, Signal detection, Modulation, Electronic filtering, Phase shift keying, Chromium, Polarization, Multiplexing, Photodetectors

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Proceedings Article | 18 February 2011 Paper

Optical frequency comb based on cascading intensity modulation for optical arbitrary waveform generation

Xin Zhou, Xiaoping Zheng, He Wen, Hanyi Zhang, Yili Guo, Bingkun Zhou

Proceedings Volume 7988, 79881U (2011) https://doi.org/10.1117/12.888458

KEYWORDS: Frequency combs, Modulation, Optical filters, Fourier transforms, Interference (communication), Phase shift keying, Signal generators, Modulators, Integrated optics, Microwave radiation

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Proceedings Article | 11 November 2008 Paper

All-optical ultra-wideband monocycle pulse generation using polarization state rotation filtering

Huan Jiang, He Wen, Xiaoping Zheng, Hanyi Zhang, Yili Guo

Proceedings Volume 7136, 713639 (2008) https://doi.org/10.1117/12.804183

KEYWORDS: Polarization, Polarizers, Optical filters, Nonlinear optics, Radio optics, Signal generators, Modulation, Switching, Nickel, Berkelium

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Proceedings Article | 11 November 2008 Paper

High-speed FSK signal generation and transmission labeled with ASK

He Wen, Nan Chi, Huan Jiang, Xiaoping Zheng, Hanyi Zhang, Yili Guo

Proceedings Volume 7136, 713634 (2008) https://doi.org/10.1117/12.804214

KEYWORDS: Frequency shift keying, Modulation, Amplitude shift keying, Phase shift keying, Eye, Signal generators, Optical filters, Modulators, Clocks, Single mode fibers

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Proceedings Article | 11 November 2008 Paper

A high sensitive wavelength stability monitoring method using 90o optical hybrid

Yong Feng, He Wen, Hanyi Zhang, Xiaoping Zheng

Proceedings Volume 7136, 71360V (2008) https://doi.org/10.1117/12.803992

KEYWORDS: Hybrid optics, Phase shifts, Fiber couplers, Receivers, Sensors, Refractive index, Single mode fibers, Laser stabilization, Optical filters, Signal processing

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Proceedings Article | 11 November 2008 Paper

Deficiency monitoring of DPSK signal using coherent hybrid

He Wen, Yihong Ge, Huan Jiang, Liuyan Han, Xin Chen, Xiaoping Zheng, Hanyi Zhang, Yili Guo

Proceedings Volume 7136, 713636 (2008) https://doi.org/10.1117/12.804225

KEYWORDS: Phase modulation, Modulation, Modulators, Feedback control, Signal generators, Phase shift keying, Light sources, Polarization, Phase shifts

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SPIE Journal Paper | 1 August 2008 Open Access

All-optical dual-wavelength conversion based on cross-polarization modulation and its application to format conversion from amplitude-shift keying to frequency-shift keying

Liuyan Han, He Wen, Hanyi Zhang

OE, Vol. 47, Issue 08, 080501, (August 2008) https://doi.org/10.1117/12.10.1117/1.2965857

KEYWORDS: Frequency shift keying, Modulation, Polarization, Laser beam diagnostics, Amplitude shift keying, Polarizers, Optical filters, Electronic filtering, Semiconductor optical amplifiers, Signal to noise ratio

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SPIE Journal Paper | 1 January 2008

All-optical NOR and OR logic gates based on cross-polarization modulation in a semiconductor optical amplifier

Liuyan Han, Hanyi Zhang, Huan Jiang, He Wen, Yili Guo

OE, Vol. 47, Issue 01, 015001, (January 2008) https://doi.org/10.1117/12.10.1117/1.2834261

KEYWORDS: Logic, Polarization, Modulation, Logic devices, Polarizers, Signal attenuation, Optical engineering, Semiconductor optical amplifiers, Eye, Optical fibers

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SPIE Journal Paper | 1 September 2007 Open Access

Cycloalkanes are candidates for immersion fluids because of their potential for low absorption in the 193-nm region and for a high refractive index (RI). We have developed an empirical correlation between refractive index and density of alkanes, which all

Liuyan Han, He Wen, Hanyi Zhang, Yili Guo

OE, Vol. 46, Issue 09, 090501, (September 2007) https://doi.org/10.1117/12.10.1117/1.2775936

KEYWORDS: Polarization, Modulation, Four wave mixing, Semiconductor optical amplifiers, Eye, Demodulation, Single mode fibers, Phase shift keying, Signal processing, Data communications

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Proceedings Article | 9 December 2005 Paper

Linear regression method for wide-band flat-gain fiber Raman amplifier pump power automatic configuration

He Wen, Lihua Wei, Wanyi Gu

Proceedings Volume 6021, 60211M (2005) https://doi.org/10.1117/12.635740

KEYWORDS: Raman spectroscopy, Fiber amplifiers, Signal attenuation, Raman scattering, Optical amplifiers, Signal processing, Numerical simulations, Amplifiers, Polarization, Wave propagation

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Proceedings Article | 11 February 2005 Paper

A novel method for fast Raman fiber amplifier optimal configuration

He Wen, Xin Yang, Wanyi Gu

Proceedings Volume 5625, (2005) https://doi.org/10.1117/12.569465

KEYWORDS: Raman spectroscopy, Fiber amplifiers, Optical amplifiers, Systems modeling, Fourier transforms, Wave propagation, Signal attenuation, Computing systems, Raman scattering, Artificial intelligence

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Proceedings Article | 17 October 2001 Paper

Analysis of error detection codes in optical transport networks

Han Li, He Wen, Jianwu He, Wanyi Gu

Proceedings Volume 4584, (2001) https://doi.org/10.1117/12.445161

KEYWORDS: Error analysis, Optical networks, Channel projecting optics, Networks, Mathematical modeling, Process modeling, Positron emission tomography, Telecommunications, Signal detection, Polarization

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Showing 5 of 18 publications

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