Low noise GHz passive harmonic mode-locking of soliton fiber laser using evanescent wave interaction with carbon nanotubes

被引：56
作者：
Jun, Chang Su [1 ,2 ]
Im, Ju Hee [2 ]
Yoo, Sang Hwa [3 ]
Choi, Sun Young [2 ]
Rotermund, Fabian [2 ]
Yeom, Dong-Il [2 ]
Kim, Byoung Yoon [1 ]
机构：
[1] Korea Adv Inst Sci & Technol, Dept Phys, Taejon 305701, South Korea
[2] Ajou Univ, Div Energy Syst Res, Suwon 443749, South Korea
[3] Korea Adv Inst Sci & Technol, Div Elect Engn, Taejon 305701, South Korea
来源：
OPTICS EXPRESS | 2011年 / 19卷 / 20期
基金：
新加坡国家研究基金会;
关键词：
SATURABLE ABSORBER; FIELD INTERACTION; POWER;
D O I：
10.1364/OE.19.019775
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Passive harmonic mode-locking in soliton fiber laser is presented with excellent noise characteristics by employing a single-walled carbon nanotubes saturable absorber designed to interact with evanescent wave of the laser field. The 34th harmonic mode-locking pulses at 943.16 MHz repetition rate were stably generated with 18 mW output power, > 50 dB side-mode suppression and. -140 dB/Hz relative intensity noise. Soliton energy control with polarization controller further increased the harmonic order to 61st, 1.692 GHz, but with compromised performance. Scaling to higher-order harmonic mode-locking is discussed for practical application in optical communication system. (C) 2011 Optical Society of America
引用
收藏
页码：19775 / 19780
页数：6
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