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Science China(Information Sciences) 2022年第12期65卷 49-112页

作者： Jianping YAO jose capmany Microwave Photonics Research Laboratory School of Electrical Engineering and Computer Science University of Ottawa ITEAM Research Institute Universitat Politècnica de València iPronics Programmable Photonics

Microwave photonics, an interdisciplinary field that combines microwave engineering and photonic technology for the generation, transmission, processing, and control of microwave signals, to take advantage of the broad bandwidth, high frequency, and low loss offered by modern photonics, has been intensively researched for the last few decades, and numerous solutions have been proposed and demonstrated. In this article, an overview about microwave photonics is provided which covers the basic concepts of microwave photonics, photonic-assisted microwave signal generation, photonic-assisted microwave signal processing, and true time delay beamforming. The implementation of microwave photonic systems based on photonic integrated circuits is also reviewed, including the design, fabrication, and material platforms, application-specific photonic integrated circuits for microwave photonics, and programmable integrated microwave *** challenges and future applications of microwave photonics are also discussed.

关键词： microwave photonics photonic integrated circuits microwave photonic link microwave photonic signal processor optoelectronic oscillator radio over fiber

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Single-shot incoherent optical processing of microwave signals： opening the path to low cost high performance analog photonics

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Science Bulletin 2017年第9期62卷 652-653页

作者： jose capmany ITEAM Research Institute Universitat Politecnica de Valencia Camino de Vera s/n 46022 Valencia Spain

Incoherent optical processing of microwave signals,where low-coherence broadband light sources are employed instead of costly mode locked lasers,has attracted great interest thanks to its wide applications in microwav... 详细信息

关键词： Single-shot incoherent optical processing of microwave signals:opening the path to low cost high performance analog photonics high MZM SNR mode SLD

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Observation of parity-time symmetry in microwave photonics

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Light(Science & Applications) 2018年第1期7卷 699-707页

作者： Yanzhong Liu Tengfei Hao Wei Li jose capmany Ninghua Zhu Ming Li State Key Laboratory on Integrated Optoelectronics Institute of SemiconductorsChinese Academy of SciencesBeijing 100083China School of Electronic Electrical and Communication EngineeringUniversity of Chinese Academy of SciencesBeijing 100049China Photonics Research Labs ITEAM Research InstituteUniversitat Politecnica de ValenciaCamino de Vear s/n46022 ValenciaSpain

Symmetry plays a crucial role in explorations of the laws of ***-time(PT)symmetry phenomena can lead to entirely real spectra in non-Hermitian systems,which attracts considerable attention in the fields of optics and electronics because these phenomena provide a new tool for the manipulation of oscillation modes and nonreciprocal signal transmission.A potential new field of application is microwave photonics,an interdisciplinary field in which the interaction between microwaves and optical signals is *** this article,we report the experimental use of PT symmetry in an optoelectronic oscillator(OEO),a key microwave photonics system that can generate singlefrequency sinusoidal signals with high spectral *** symmetry is theoretically analyzed and experimentally observed in an OEO with two mutually coupled active oscillation cavities via a precise manipulation of the interplay between gain and loss in the two oscillation *** single-frequency microwave oscillation is achieved without using any optical/electrical filters for oscillation mode selection,which is an indispensable requirement in traditional *** observation opens new avenues for signal generation and processing based on the PT symmetry principle in microwave photonics.

关键词： symmetry microwave oscillation

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