Optical frequency comb generation using two cascaded intensity modulators

被引：17

作者：

Shang, Lei ^{[1
]}

Wen, Aijun ^{[1
]}

Lin, Guibin ^{[1
]}

机构：

[1] Xidian Univ, State Key Lab Integrated Serv Networks, Xian 710071, Peoples R China

来源：

JOURNAL OF OPTICS | 2014年 / 16卷 / 03期

基金：

中国国家自然科学基金;

关键词：

optical frequency comb (OFC); intensity modulator; optical communications; MICRORESONATOR;

D O I：

10.1088/2040-8978/16/3/035401

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A simple scheme based on two cascaded intensity modulators to generate a flat optical frequency comb (OFC) is proposed and experimentally demonstrated. By setting the two controllable parameters of the intensity modulation (RF amplitude and DC bias), five comb lines with a comb flatness within 0.6 dB are generated. When cascaded with another intensity modulator, 25 comb lines with a spectral power variation of less than 0.9 dB are obtained. The scheme, with a high unwanted-mode suppression ratio 13.1 dB and very low RF signals 0.58V(pi), is relatively simple, cost-efficient and adjustable, with the frequency interval of the OFC varying with the microwave frequency applied to the modulators.

引用

页数：4

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