Multifrequency optoelectronic oscillator

Jiang Yang; Jianhui Liang; Fu Guang Bai; Lin Hu; Shaohong Cai; Hongxia Li; Yuanyuan Shan; Chuang Ma

doi:10.1117/1.OE.53.11.116106

7 November 2014 Multifrequency optoelectronic oscillator

Jiang Yang, Jianhui Liang, Fu Guang Bai, Lin Hu, Shaohong Cai, Hongxia Li, Yuanyuan Shan, Chuang Ma

Author Affiliations +

Funded by: National Nature Science Foundation of China, New Century Excellent Talents in University

Optical Engineering, Vol. 53, Issue 11, 116106 (November 2014). https://doi.org/10.1117/1.OE.53.11.116106

Abstract

We propose a simple and cost-effective multifrequency optoelectronic oscillator (OEO) which is able to simultaneously generate two or more independent microwave signals by adding parallel filtering branches in the feedback loop. In the experimental demonstration, two signals with frequencies of 20 and 9 GHz are successfully generated. Compared with a conventional OEO, the generated signals have no additional noise and do not interfere with each other. The side-mode suppression by the optical dual-loop configuration is effective for both channels. The measured side-mode suppression ratios are larger than 65 dB, and the phase noises at a 10-kHz frequency offset are −108 and −113 dBc/Hz for 20 and 9-GHz signals, respectively.

Citation Download Citation

Jiang Yang, Jianhui Liang, Fu Guang Bai, Lin Hu, Shaohong Cai, Hongxia Li, Yuanyuan Shan, and Chuang Ma "Multifrequency optoelectronic oscillator," Optical Engineering 53(11), 116106 (7 November 2014). https://doi.org/10.1117/1.OE.53.11.116106

Published: 7 November 2014

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