Dr. Zhengkai Li Profile

Dr. Zhengkai Li

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Publications (3)

Proceedings Article | 21 December 2023 Paper

Dynamic range enhancement of photonic sampling based on chirp management in cavity-less optical pulse source

Fu Gao, Zhengkai Li, Zhiyao Zhang, Heping Li, Yong Liu

Proceedings Volume 12966, 1296612 (2023) https://doi.org/10.1117/12.3006386

KEYWORDS: Pulse signals, Education and training, Analog to digital converters, Dispersion, Ultrafast phenomena, Repetition frequency, Single mode fibers, Nyquist pulse, Microwave radiation, Photonics systems

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Proceedings Article | 9 January 2023 Paper

Compensation of dispersion-induced power fading in radio-over-fiber system based on stimulated Brillouin scattering

Di Chen, Lingjie Zhang, Zhengkai Li, Shengkun Chen, Zhiyao Zhang, Yong Liu

Proceedings Volume 12507, 125070G (2023) https://doi.org/10.1117/12.2654060

KEYWORDS: Single mode fibers, Modulation, Radio over Fiber, Phase shifts, Scattering, Phase shift keying, Dispersion, Quadrature amplitude modulation, Signal detection

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Proceedings Article | 21 January 2022 Paper

Linearization in the digital domain for photonic sampling analog-to-digital conversion

Weiqiang Lyu, Zhengkai Li, Zhenwei Fu, Shangjian Zhang, Zhiyao Zhang, Heping Li, Yong Liu

Proceedings Volume 12154, 1215414 (2022) https://doi.org/10.1117/12.2626208

KEYWORDS: Analog electronics, Signal processing, Signal to noise ratio, Signal attenuation, Modulation, Microwave radiation, Digital photography, Calibration, Nonlinear optics, Interference (communication), Microwave photonics

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