Lasers, Fiber Optics, and Communications

Tunable ultraflat optical frequency comb generator based on optoelectronic oscillator using dual-parallel Mach–Zehnder modulator

[+] Author Affiliations
Zhengyang Xie, Shangyuan Li, Haozhe Yan, Xuedi Xiao, Xiaoxiao Xue, Xiaoping Zheng, Bingkun Zhou

Tsinghua University, Tsinghua National Laboratory for Information Science and Technology, Department of Electronic Engineering, Beijing, China

Opt. Eng. 56(6), 066115 (Jun 27, 2017). doi:10.1117/1.OE.56.6.066115
History: Received January 12, 2017; Accepted June 5, 2017
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Abstract.  A tunable ultraflat optical frequency comb generator based on the optoelectronic oscillator (OEO) using a dual-parallel Mach–Zehnder modulator (DPMZM) is proposed and experimentally demonstrated. By incorporating a tunable DPMZM-OEO, five comb lines were generated with frequency spacing from 5 to 12 GHz under a wide central wavelength tuning from 1530 to 1560 nm, and a comb flatness of 0.3 dB is obtained. The corresponding signal generated by the DPMZM-OEO is also measured, and the phase noise of the frequency tunable signals is as low as 125  dBc/Hz at 10-kHz frequency offset.

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© 2017 Society of Photo-Optical Instrumentation Engineers

Citation

Zhengyang Xie ; Shangyuan Li ; Haozhe Yan ; Xuedi Xiao ; Xiaoxiao Xue, et al.
"Tunable ultraflat optical frequency comb generator based on optoelectronic oscillator using dual-parallel Mach–Zehnder modulator", Opt. Eng. 56(6), 066115 (Jun 27, 2017). ; http://dx.doi.org/10.1117/1.OE.56.6.066115


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