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

页码：29599 / 29604

页数：6

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