Dr. Junkai Zhang Profile

Dr. Junkai Zhang

at Air Force Early Warning Academy

SPIE Involvement:

Author

Publications (5)

Proceedings Article | 5 November 2020 Paper

Microwave interrogated cascaded fiber Mach-Zehnder interferometer for optical length measurement

Jin Zhang, Xiong Luo, Jianghai Wo, Xiang Li, Anle Wang, Junkai Zhang, Shirui Du, Yalan Wang

Proceedings Volume 11569, 1156907 (2020) https://doi.org/10.1117/12.2579241

KEYWORDS: Microwave photonics, Mach-Zehnder interferometers, Optical fibers, Optical sensors, Microwave photonic filters

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Proceedings Article | 14 February 2019 Paper

Dynamic range improvement for a microwave photonic link using a phase modulator

Jin Zhang, Anle Wang, Lan Yu, Pengfei Du, Wenshan Cong, Junkai Zhang, Jianghai Wo

Proceedings Volume 11048, 110480D (2019) https://doi.org/10.1117/12.2518324

KEYWORDS: Modulators, Microwave photonics, Modulation, Intermodulation, Phase shift keying, Radio optics, Single mode fibers, Signal attenuation, Phase modulation, Local area networks

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Proceedings Article | 14 February 2019 Paper

A multi-passband microwave photon filter based on multiple dispersion devices

Biao Zhao, Pengfei Du, Maolong Zhang, Jianghai Wo, Tao Wang, Wenshan Cong, Junkai Zhang, Lan Yu

Proceedings Volume 11048, 1104811 (2019) https://doi.org/10.1117/12.2519680

KEYWORDS: Single mode fibers, Dispersion, Optical filters, Microwave photonic filters, Fiber Bragg gratings, Modulators, Optical amplifiers, Modulation, Light sources, Satellite communications

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Proceedings Article | 12 December 2018 Paper

Tunable dual-bandpass microwave photonic filter based on a single broadband light source

Biao Zhao, Pengfei Du, Jianghai Wo, Wenshan Cong, Junkai Zhang, Lan Yu

Proceedings Volume 10849, 108490H (2018) https://doi.org/10.1117/12.2504145

KEYWORDS: Microwave photonic filters, Light sources, Single mode fibers, Fiber Bragg gratings, Modulation, Dispersion, Mach-Zehnder interferometer, Radar, Phase modulation, Modulators

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Proceedings Article | 25 October 2018 Paper

A Ka-band ultra-wideband microwave photonic imaging radar demonstrator

Anle Wang, Junkai Zhang, Biao Zhao, Guanghua Dai, Jianghai Wo, Yong Zhu, Jin Zhang, Xiong Luo, Wenshan Cong, Lan Yu

Proceedings Volume 10822, 108220O (2018) https://doi.org/10.1117/12.2500468

KEYWORDS: Radar, Microwave photonics, Radar imaging, Synthetic aperture radar, Ka band, Photography, Transmitters, Imaging systems, Modulation, Electronics

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