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

被引：3
|
作者：
Xu, Yongchi [1 ]
Peng, Huanfa [1 ]
Guo, Rui [1 ]
Du, Huayang [1 ]
Hu, Guoqing [2 ]
Zhu, Lixin [1 ]
Chen, Zhangyuan [1 ,2 ]
机构：
[1] Peking Univ, Sch Elect Engn & Comp Sci, State Key Lab Adv Opt Commun Syst & Networks, Beijing 100871, Peoples R China
[2] Peking Univ, Shenzhen Inst, Shenzhen 518055, Peoples R China
来源：
CHINESE OPTICS LETTERS | 2018年 / 16卷 / 11期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
GENERATION;
D O I：
10.3788/COL201816.110602
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
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 -113 dBc/Hz@10 kHz. The results agree well with the theory.
引用
收藏
页数：5
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