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Optical Engineering

Tunable optoelectronic oscillator based on a chirped Mach-Zehnder modulator
Author(s): Zhihu Wei; Shilong Pan; Rong Wang; Tao Pu; Tao Fang; Guodan Sun; Jilin Zheng
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Paper 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.

Paper Details

Date Published: 22 May 2013
PDF: 5 pages
Opt. Eng. 52(5) 055005 doi: 10.1117/1.OE.52.5.055005
Published in: Optical Engineering Volume 52, Issue 5
Show Author Affiliations
Zhihu Wei, The PLA Univ. of Science and Technology (China)
Shilong Pan, Nanjing Univ. of Aeronautics and Astronautics (China)
Rong Wang, The PLA Univ. of Science and Technology (China)
Tao Pu, The PLA Univ. of Science and Technology (China)
Tao Fang, The PLA Univ. of Science and Technology (China)
Guodan Sun, The PLA Univ. of Science and Technology (China)
Jilin Zheng, The PLA Univ. of Science and Technology (China)


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