Flat-top optical frequency comb generation based on optical fiber-loop modulation with external injection

被引：6
|
作者：
Dou, Yujie [1 ]
Zhang, Hongming [1 ]
Wang, Yang [1 ]
Yao, Minyu [1 ]
机构：
[1] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China
来源：
CHINESE OPTICS LETTERS | 2013年 / 11卷 / 07期
基金：
中国国家自然科学基金;
关键词：
LOCK MULTI-CARRIERS; PHASE MODULATORS; AMPLITUDE; COHERENT; SHIFTER; LIGHT;
D O I：
10.3788/COL201311.070603
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An optical frequency comb generation scheme using time-to-frequency conversion and optical fiber-loop modulation is proposed and demonstrated experimentally. Flat-top optical pulse train from an intensity modulator is injected into a fiber loop, which includes a phase modulator and an amplifier and is cyclically modulated by the phase modulator, to generate abundant optical comb lines. A total of 110 comb lines with 3-dB spectral power variation and 10-GHz frequency spacing are obtained. The proposed scheme is relatively simple and uses only one intensity modulator and one phase modulator.
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页数：3
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