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Optical Engineering

Improving the performance of the injection-locked optoelectronic oscillator by using an extra feedback loop
Author(s): Junchao Zheng; Tao Jin; Hao Chi; Guochuan Tong; Xiang Zhu; Tianhao Lai; Xidong Wu; Zhiguo Shi
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Paper Abstract

We describe and demonstrate a practical method for improving the performance of an injection-locked optoelectronic oscillator (IL OEO). An improved IL theory model, which helps to set the optimal locking range and reduce the phase noise of the OEO, is proposed. The IL OEO with an extra feedback loop exhibits good long-term operating stability and can produce a 10 GHz output signal with 80 dB side-mode suppression ratio and better than ± 0.0005    ppm frequency drift within 12 h. The presented results can be used to guide the design of high-quality OEOs.

Paper Details

Date Published: 10 January 2017
PDF: 5 pages
Opt. Eng. 56(1) 016108 doi: 10.1117/1.OE.56.1.016108
Published in: Optical Engineering Volume 56, Issue 1
Show Author Affiliations
Junchao Zheng, Zhejiang Univ. (China)
Tao Jin, Zhejiang Univ. (China)
Hao Chi, Zhejiang Univ. (China)
Guochuan Tong, Zhejiang Univ. (China)
Xiang Zhu, Zhejiang Univ. (China)
Tianhao Lai, Zhejiang Univ. (China)
Xidong Wu, Zhejiang Univ. (China)
Zhiguo Shi, Zhejiang Univ. (China)

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