Improving the performance of the injection-locked optoelectronic oscillator by using an extra feedback loop

Junchao Zheng; Tao Jin; Hao Chi; Guochuan Tong; Xiang Zhu; Tianhao Lai; Xidong Wu; Zhiguo Shi

doi:10.1117/1.OE.56.1.016108

10 January 2017 Improving the performance of the injection-locked optoelectronic oscillator by using an extra feedback loop

Junchao Zheng, Tao Jin, Hao Chi, Guochuan Tong, Xiang Zhu, Tianhao Lai, Xidong Wu, Zhiguo Shi

Author Affiliations +

Optical Engineering, Vol. 56, Issue 1, 016108 (January 2017). https://doi.org/10.1117/1.OE.56.1.016108

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.

Citation Download Citation

Junchao Zheng, Tao Jin, Hao Chi, Guochuan Tong, Xiang Zhu, Tianhao Lai, Xidong Wu, and Zhiguo Shi "Improving the performance of the injection-locked optoelectronic oscillator by using an extra feedback loop," Optical Engineering 56(1), 016108 (10 January 2017). https://doi.org/10.1117/1.OE.56.1.016108

Received: 2 September 2016; Accepted: 20 December 2016; Published: 10 January 2017

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