Dr. Zheng Liu Profile

Dr. Zheng Liu

at Tianjin Univ

SPIE Involvement:

Author

Publications (5)

Proceedings Article | 27 November 2024 Paper

A gradient-free training approach for optical neural networks based on stochastic functions

Ji Qi, Shuang Wang, Zheng Liu, Yunfan Zhang, Xiaomin Cai, Tiegen Liu, Tianhua Xu

Proceedings Volume 13236, 132360R (2024) https://doi.org/10.1117/12.3034514

KEYWORDS: Signal processing, Artificial neural networks, Neural networks, Prior knowledge, Optical filters, Machine learning, Deep learning, Optical signal processing

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Proceedings Article | 21 December 2022 Presentation + Paper

Amplifier limited information rates in high-speed optical fiber communication systems

Ji Qi, Tianhua Xu, Zheng Liu, Cenqin Jin, Tongyang Xu, Lingbo Li, Leslie Kanthan, Jian Zhao, Tiegen Liu

Proceedings Volume 12314, 1231404 (2022) https://doi.org/10.1117/12.2643394

KEYWORDS: Telecommunications, Signal to noise ratio, Fiber optic communications, Optical amplifiers, Digital signal processing, Fiber amplifiers, Modulation, Binary data, Systems modeling

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Proceedings Article | 9 October 2021 Presentation + Paper

Evaluation of transmission reach and information rates in nonlinear optical fiber communication systems

Mupeng Li, Tianhua Xu, Jiazheng Ding, Zheng Liu, Wenxiu Hu, Junfeng Jiang, Tiegen Liu

Proceedings Volume 11891, 1189109 (2021) https://doi.org/10.1117/12.2602418

KEYWORDS: Signal to noise ratio, Telecommunications, Modulation, Optical fibers, Digital signal processing, Systems modeling, Interference (communication), Transmittance, Optical amplifiers, Optical communications

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Proceedings Article | 9 October 2021 Presentation + Paper

Accuracy of EGN model in ultra-wideband optical fiber communication systems

Zheng Liu, Tianhua Xu, Jianzheng Ding, Yunfan Zhang, Mupeng Li, Tongyang Xu, Tiegen Liu

Proceedings Volume 11891, 1189106 (2021) https://doi.org/10.1117/12.2601076

KEYWORDS: Signal to noise ratio, Systems modeling, Telecommunications, Terahertz radiation, Fiber optic communications, Optical amplifiers, Wavelength division multiplexing, Signal processing, Optical simulations, Performance modeling

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Proceedings Article | 9 October 2021 Presentation + Paper

Influence of equalization enhanced phase noise on digital nonlinearity compensation in Nyquist-spaced superchannel transmission systems

Jiazheng Ding, Tianhua Xu, Yunfan Zhang, Zheng Liu, Cenqin Jin, Jian Zhao, Tiegen Liu

Proceedings Volume 11891, 1189107 (2021) https://doi.org/10.1117/12.2600923

KEYWORDS: Signal to noise ratio, Telecommunications, Digital signal processing, Optical fibers, Distortion, Optical communications, Optical amplifiers, Transmittance, Modulation, Fiber lasers

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