Generation of stable and high-quality frequency-locked carriers based on improved re-circulating frequency shifter

被引：12

作者：

Li, Jianping ^{[1
,2
]}

Zhang, Xiaoguang ^{[1
,2
]}

Xi, Lixia ^{[1
,2
]}

机构：

[1] Beijing Univ Posts & Telecommun, Inst Informat Photon & Opt Commun, Beijing 100876, Peoples R China

[2] Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2012年 / 285卷 / 20期

关键词：

Recirculating frequency shifter; Frequency locked; Crosstalk elimination; High-quality; Terabit superchannel; OPTICAL COMMUNICATION; PHASE MODULATORS; TRANSMISSION; COHERENT;

D O I：

10.1016/j.optcom.2012.06.014

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An optical multicarrier generator based on the improved re-circulating frequency shifter (RFS) to generate a larger number of frequency-locked carriers with high-quality has been studied. By eliminating the third-order crosstalk components, the output carrier's number and. optical signal-to-noise-ratio (OSNR) of the generator have been improved significantly. In addition, the maximum output OSNR and optimal radio-frequency drive voltages in the cases of different desired carrier numbers have been obtained. Using the improved configuration, 130-tone with high-quality (tone-to-noise ratio similar to 20 dB and superior flatness <3 dB) where the drive voltage is only around 0.5V(pi) can be achieved. The simulation results show a good agreement with the theoretical analysis. The multicarrier generator based on the improved RFS has the potential application in the terabit superchannel optical transmission. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：4072 / 4075

页数：4

共 16 条

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[2]

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