Dr. Kai Liu Profile

Dr. Kai Liu

at Beijing Univ. of Posts and Telecommunications

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Author

Publications (6)

Proceedings Article | 25 March 2024 Paper

Image dehazing algorithm for image partition optimization based on generalized Gaussian function

Xiaoxia Du, Kai Liu, Yongqing Huang, Xiaofeng Duan, Qi Wang

Proceedings Volume 13089, 130890F (2024) https://doi.org/10.1117/12.3020748

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Proceedings Article | 18 December 2023 Paper

Formation of nano-cone structures on silicon via maskless reactive ion etching

Jiacheng Lin, Hao Liu, Chen Jiang, Qi Wang, Kai Liu, Xiaomin Ren

Proceedings Volume 12961, 129610C (2023) https://doi.org/10.1117/12.3008000

KEYWORDS: Etching, Silicon, Reactive ion etching, Oxides, Scanning electron microscopy, Plasma, Vacuum chambers, Atomic force microscopy, Nanostructures, Fluorine

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Proceedings Article | 4 April 2023 Paper

High-speed and high-power modified uni-traveling carrier photodiode with an electric field control layer

Xuejie Wang, Yongqing Huang, Jiawei Du, Ren Ren, Xiaofeng Duan, Kai Liu, Xiaomin Ren

Proceedings Volume 12617, 126173V (2023) https://doi.org/10.1117/12.2666153

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SPIE Journal Paper | 31 July 2022

Multi-mesa photodiodes with uneven electric field distribution designed for 100-Gbits 4-level pulse amplitude modulation applications

Yu Li, Weifang Yuan, Ke Li, Kai Liu, Yongqing Huang, Xiaofeng Duan

OE, Vol. 61, Issue 07, 077105, (July 2022) https://doi.org/10.1117/12.10.1117/1.OE.61.7.077105

KEYWORDS: Capacitance, Absorption, Photodiodes, Optical engineering, Telecommunications, Optical communications, Computer simulations, Palladium, Amplitude modulation, Refractive index

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SPIE Journal Paper | 6 November 2019

Focusing reflectors based on two-dimensional subwavelength gratings

Shuo Wang, Kai Liu, Yongqing Huang, Xiaofeng Duan, Xiaomin Ren, Gongqing Li

OE, Vol. 58, Issue 11, 117101, (November 2019) https://doi.org/10.1117/12.10.1117/1.OE.58.11.117101

KEYWORDS: Reflectors, Reflectivity, Dielectrics, Phase shifts, Numerical simulations, Silicon, Semiconducting wafers, Dielectric polarization, Reflector design, Sodium

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Proceedings Article | 14 February 2019 Paper

Analysis and numerical simulation of a roof optical microcavity with micro-nano size

Huanhuan Wang, Yongqing Huang, Hongming Gu, Guang Wu, Huijuan Niu, Tao Liu, Xiaofeng Duan, Kai Liu, Xiaomin Ren

Proceedings Volume 11048, 110482V (2019) https://doi.org/10.1117/12.2519591

KEYWORDS: Optical microcavities, Mirrors, Reflectors, Numerical simulations, Finite element methods, Geometrical optics, Photonics, Optical communications

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Showing 5 of 6 publications

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