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Wideband Tunable Optoelectronic Oscillator based on a Single Band-pass Microwave Photonic Filter and a Recirculating Delay Line

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摘要

A wideband tunable optoelectronic oscillator (OEO) based on a tunable single-bandpass microwave photonic filter (MPF) and a recirculating delay line (RDL) is proposed and experimentally demonstrated. The MPF is formed by cascading a finite impulse response filter and an infinite impulse response filter, which can enhance the quality-factor of the MPF and suppress the side modes of the OEO. Frequency response of the tunable MPF is theoretically analyzed. By placing the MPF into OEO, tunable microwave signal from 10.3GHz to 26.7GHz and 100MHz-step tunability are experimentally demonstrated. The phase noise is -113 dBc/Hz@10kHz. The results agree well with the theory.

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引用该论文

Xu Yongchi,Peng Huanfa,Guo Rui,Du Huayang,Hu Guoqing,Zhu Lixin,Chen Zhangyuan. Wideband Tunable Optoelectronic Oscillator based on a Single Band-pass Microwave Photonic Filter and a Recirculating Delay Line[J].Chinese Optics Letters,2018,16(11):11.