Wideband tunable optoelectronic oscillator based on a single-bandpass microwave photonic filter and a recirculating delay line

Yongchi Xu; Huanfa Peng; Rui Guo; Huayang Du; Guoqing Hu; Lixin Zhu; Zhangyuan Chen

doi:10.3788/COL201816.110602

Journals >Chinese Optics Letters >Volume 16 >Issue 11 >Page 110602 > Article

Chinese Optics Letters
Vol. 16, Issue 11, 110602 (2018)

Wideband tunable optoelectronic oscillator based on a single-bandpass microwave photonic filter and a recirculating delay line

Yongchi Xu¹, Huanfa Peng¹, Rui Guo¹, Huayang Du¹, Guoqing Hu², Lixin Zhu¹, and Zhangyuan Chen^1、2、*

Author Affiliations

¹State Key Laboratory of Advanced Optical Communication Systems and Networks, School of Electronics Engineering and Computer Science, Peking University, Beijing 100871, China

²Peking University Shenzhen Institution, Shenzhen 518055, China

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DOI: 10.3788/COL201816.110602 Cite this Article Set citation alerts

Yongchi Xu, Huanfa Peng, Rui Guo, Huayang Du, Guoqing Hu, Lixin Zhu, Zhangyuan Chen. Wideband tunable optoelectronic oscillator based on a single-bandpass microwave photonic filter and a recirculating delay line[J]. Chinese Optics Letters, 2018, 16(11): 110602 Copy Citation Text

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Abstract

A wideband tunable optoelectronic oscillator (OEO) based on a tunable single-bandpass microwave photonic filter (MPF) and a recirculating delay line 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. The frequency response of the tunable MPF is theoretically analyzed. By placing the MPF into the OEO, tunable microwave signals from 10.3 GHz to 26.7 GHz and a 100 MHz step tunability are experimentally demonstrated. The phase noise is