Improved multi-channel multi-carrier generation using gain-independent multi-channel frequency shifting recirculating loop

被引：7
|
作者：
Zhang, Junwen [1 ,2 ,3 ]
Yu, Jianjun [1 ]
Chi, Nan [1 ]
Dong, Ze [2 ,3 ]
Li, Xinying [1 ]
Chang, G. K. [3 ]
机构：
[1] Fudan Univ, Dept Commun Sci & Engn, Shanghai 200433, Peoples R China
[2] ZTE, Morristown, NJ 07960 USA
[3] Georgia Inst Technol, Sch ECE, Atlanta, GA 30332 USA
来源：
OPTICS EXPRESS | 2012年 / 20卷 / 28期
关键词：
SIDE-BAND MODULATOR; PHASE MODULATORS; TRANSMISSION; ACCESS; LASERS; FIBER; COMBS;
D O I：
10.1364/OE.20.029599
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We propose and experimentally demonstrate an improved scheme to generate optical frequency-locked multi-channel multi-carriers (MCMC), using a gain-independent multi-channel recirculating frequency shifter (MC-RFS) loop based on single sideband (SSB) modulation. We re-build the RFS structure with better performance. By using MC-RFS loop, we can generate N-channel subcarriers each round trip without interference. These subcarriers of each channel are stable and frequency-locked, which can be used for multi-channel WDM source. The dual-channel RFS loop is carried out for demonstration in our experiment with dual-carrier source. Using this scheme, we successfully generate 62 frequency-locked subcarriers with 25-GHz frequency spacing in 2 channels and each channel has 31 tones. (C) 2012 Optical Society of America
引用
收藏
页码：29599 / 29604
页数：6
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