Dr. Hefei Qi Profile

Dr. Hefei Qi

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Publications (3)

Proceedings Article | 16 August 2024 Paper

A microwave photonic mixer based on stimulated Brillouin scattering with high image rejection capacity

Wenqi Yu, Shaobo Li, Guansu Xing, Hefei Qi, Yuedi Ding, Xiang Ma, Lei Zhang, Xiaodong Liang

Proceedings Volume 13231, 132312D (2024) https://doi.org/10.1117/12.3040014

KEYWORDS: Microwave photonics, Signal attenuation, Image processing, Scattering, Signal processing, Optical modulators, Optical amplifiers, Electrooptic modulators, Signal generators, Signal detection

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Proceedings Article | 17 August 2023 Paper

A thermo-optic switch based on RAMZI with graphene heater

Wenqi Yu, Jin Yang, Boyuan Liu, Xiang Ma, Hefei Qi, Yuedi Ding, Xiaodong Liang

Proceedings Volume 12757, 127570O (2023) https://doi.org/10.1117/12.2690356

KEYWORDS: Optical switching, Microrings, Graphene, Thermal optics, Waveguides, Microresonators, Resonators, Brain-machine interfaces, Optical transmission, Silicon

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Proceedings Article | 17 August 2023 Paper

The demonstration of integrated coupled DFB lasers to generate tunable microwave signal

Hefei Qi, Shaobo Li, Jiantao He, Wenqi Yu, Yuedi Ding, Boyuan Liu, Jin Yang, Xiaodong Liang, Xiang Ma

Proceedings Volume 12757, 127570V (2023) https://doi.org/10.1117/12.2690240

KEYWORDS: Tunable lasers, Signal generators, Semiconductor lasers, Microwave photonics, Frequency response, Modulation

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