Tunable optoelectronic oscillator based on a chirped Mach-Zehnder modulator

Zhihu Wei; Shilong Pan; Rong Wang; Tao Pu; Tao Fang; Guodan Sun; Jilin Zheng

doi:10.1117/1.OE.52.5.055005

22 May 2013 Tunable optoelectronic oscillator based on a chirped Mach-Zehnder modulator

Zhihu Wei, Shilong Pan, Rong Wang, Tao Pu, Tao Fang, Guodan Sun, Jilin Zheng

Author Affiliations +

Optical Engineering, Vol. 52, Issue 5, 055005 (May 2013). https://doi.org/10.1117/1.OE.52.5.055005

Abstract

Realization of a wideband tunable optoelectronic oscillator based on a chirped Mach–Zehnder modulator (MZM) and a chirped fiber Bragg grating is proposed and demonstrated. By simply adjusting the direct-current bias of the chirped MZM, the frequency of the oscillating signal is tuned. A theoretical model is established, then verified by an experiment. A high-purity microwave signal with a tunable frequency from 5.8 to 11.8 GHz is generated. The single-sideband phase noise of the generated signal is −112.6 dBc/Hz at a frequency offset of 10 kHz.

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Zhihu Wei, Shilong Pan, Rong Wang, Tao Pu, Tao Fang, Guodan Sun, and Jilin Zheng "Tunable optoelectronic oscillator based on a chirped Mach-Zehnder modulator," Optical Engineering 52(5), 055005 (22 May 2013). https://doi.org/10.1117/1.OE.52.5.055005

Published: 22 May 2013

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