18 September 2014 High-quality frequency-locked optical frequency comb source for terabits optical communication system
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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 2.56  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.
© 2014 Society of Photo-Optical Instrumentation Engineers (SPIE)
Jiachuan Lin, Jiachuan Lin, Lixia Xi, Lixia Xi, Jianping Li, Jianping Li, Jianrui Li, Jianrui Li, Xianfeng Tang, Xianfeng Tang, Lu Sun, Lu Sun, Xiaoguang Zhang, 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 . Submission:
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