Yb:KYW planar waveguide laser Q-switched by evanescent-field interaction with carbon nanotubes

被引：35

作者：

Kim, Jun Wan ^{[1
,2
]}

Choi, Sun Young ^{[1
,2
]}

Yeom, Dong-Il ^{[1
,2
]}

Aravazhi, Shanmugam ^{[3
]}

Pollnau, Markus ^{[3
]}

Griebner, Uwe ^{[4
]}

Petrov, Valentin ^{[4
]}

Rotermund, Fabian ^{[1
,2
]}

机构：

[1] Ajou Univ, Dept Phys, Suwon 443749, South Korea

[2] Ajou Univ, Div Energy Syst Res, Suwon 443749, South Korea

[3] Univ Twente, MESA, Inst Nanotechnol, Integrated Opt Micro Syst Grp, NL-7500 AE Enschede, Netherlands

[4] Max Born Inst Nonlinear Opt & ShortPulse Spect, D-12489 Berlin, Germany

来源：

OPTICS LETTERS | 2013年 / 38卷 / 23期

基金：

新加坡国家研究基金会;

关键词：

SATURABLE-ABSORBER; MODE-LOCKING; MU-M; BULK; OPTIMIZATION; CRYSTAL; COMPACT; POWER;

D O I：

10.1364/OL.38.005090

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report Q-switched operation of a planar waveguide laser by evanescent-field interaction with single-walled carbon nanotubes deposited on top of the waveguide. The saturable-absorber-integrated gain medium, which operates based on evanescent-field interaction, enables the realization of a diode-pumped 2.5-cm-long Q-switched Yb:KYW waveguide laser emitting at 1030 nm. With such a compact cavity design, we achieve maximum output powers of up to 30 mW, corresponding to a single-pulse energy of 124 nJ, at 241 kHz repetition rate. The shortest pulse duration of 433 ns is generated at a repetition rate of 231 kHz. (C) 2013 Optical Society of America

引用

页码：5090 / 5093

页数：4

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