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

Jiachuan Lin; Lixia Xi; Jianping Li; Jianrui Li; Xianfeng Tang; Lu Sun; Xiaoguang Zhang

doi:10.1117/1.OE.53.12.122608

18 September 2014 High-quality frequency-locked optical frequency comb source for terabits optical communication system

Jiachuan Lin, Lixia Xi, Jianping Li, Jianrui Li, Xianfeng Tang, Lu Sun, Xiaoguang Zhang

Author Affiliations +

Optical Engineering, Vol. 53, Issue 12, 122608 (September 2014). https://doi.org/10.1117/1.OE.53.12.122608

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 2.56 Tb/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.

Citation Download Citation

Jiachuan Lin, Lixia Xi, Jianping Li, Jianrui Li, Xianfeng Tang, Lu Sun, and Xiaoguang Zhang "High-quality frequency-locked optical frequency comb source for terabits optical communication system," Optical Engineering 53(12), 122608 (18 September 2014). https://doi.org/10.1117/1.OE.53.12.122608

Published: 18 September 2014

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