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Optical Engineering

Multifrequency optoelectronic oscillator
Author(s): Jiang Yang; Jianhui Liang; Fu Guang Bai; Lin Hu; Shaohong Cai; Hongxia Li; Yuanyuan Shan; Chuang Ma
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Paper 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.

Paper Details

Date Published: 7 November 2014
PDF: 4 pages
Opt. Eng. 53(11) 116106 doi: 10.1117/1.OE.53.11.116106
Published in: Optical Engineering Volume 53, Issue 11
Show Author Affiliations
Jiang Yang, Guizhou Univ. (China)
Jianhui Liang, Guizhou Univ. (China)
Fu Guang Bai, Guizhou Univ. (China)
Lin Hu, Guizhou Univ. (China)
Shaohong Cai, Guizhou Univ. of Finance and Economy (China)
Hongxia Li, Guizhou Univ. (China)
Yuanyuan Shan, Guizhou Univ. (China)
Chuang Ma, Guizhou Univ. (China)


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