Special Section on Optical Frequency Combs

High-quality frequency-locked optical frequency comb source for terabits optical communication system

[+] Author Affiliations
Jiachuan Lin

Beijing University of Posts and Telecommunications, State Key Lab of Information Photonics and Optical Communications, Xitucheng Road No. 10, Beijing 100876, China

Lixia Xi

Beijing University of Posts and Telecommunications, State Key Lab of Information Photonics and Optical Communications, Xitucheng Road No. 10, Beijing 100876, China

Jianping Li

Jinan University, Institute of Photonics Technology, Huanpu Road W 601, Guangzhou 510632, China

Jianrui Li

Beijing University of Posts and Telecommunications, State Key Lab of Information Photonics and Optical Communications, Xitucheng Road No. 10, Beijing 100876, China

Xianfeng Tang

Beijing University of Posts and Telecommunications, State Key Lab of Information Photonics and Optical Communications, Xitucheng Road No. 10, Beijing 100876, China

Lu Sun

Beijing University of Posts and Telecommunications, State Key Lab of Information Photonics and Optical Communications, Xitucheng Road No. 10, Beijing 100876, China

Xiaoguang Zhang

Beijing University of Posts and Telecommunications, State Key Lab of Information Photonics and Optical Communications, Xitucheng Road No. 10, Beijing 100876, China

Opt. Eng. 53(12), 122608 (Sep 18, 2014). doi:10.1117/1.OE.53.12.122608
History: Received May 15, 2014; Revised August 14, 2014; Accepted August 20, 2014
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Abstract.  A comprehensive investigation is done on a high-quality frequency comb or multicarrier generation using a single-sideband modulation based recirculating frequency shifter (SSB-RFS), which has shown a good capability to provide a large number of frequency-locked carriers for terabits transmission. The dominant factors, such as I/Q modulator, direct current-bias, radio-frequency signal, and band pass filter, are analyzed theoretically and experimentally in terms of the metrics such as flatness, signal-to-noise ratio, and stability. The achieved 69 flat tones by noise suppressed SSB-RFS are presented. An example of SSB-RFS based 2.56Tb/s PDM-RZ-16QAM 792 km transmission is illustrated, which is enabled by the 20 high-quality carrier tones generated with the optimally operated SSB-RFS source.

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© 2014 Society of Photo-Optical Instrumentation Engineers

Citation

Jiachuan Lin ; Lixia Xi ; Jianping Li ; Jianrui Li ; Xianfeng Tang, et al.
"High-quality frequency-locked optical frequency comb source for terabits optical communication system", Opt. Eng. 53(12), 122608 (Sep 18, 2014). ; http://dx.doi.org/10.1117/1.OE.53.12.122608


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