Passively Q-switched Tm3+, Ho3+-doped silica fiber laser using a highly nonlinear saturable absorber and dynamic gain pulse compression

被引：53

作者：

Kivistoe, Samuli ^{[1
]}

Koskinen, Riku ^{[1
]}

Paajaste, Jonna ^{[1
]}

Jackson, Stuart D. ^{[2
]}

Guina, Mircea ^{[1
]}

Okhotnikov, Oleg G. ^{[1
]}

机构：

[1] Tampere Univ Technol, Optoelect Res Ctr, FIN-33101 Tampere, Finland

[2] Univ Sydney, Opt Fibre Technol Ctr, Eveleigh, NSW 1430, Australia

来源：

OPTICS EXPRESS | 2008年 / 16卷 / 26期

基金：

澳大利亚研究理事会;

关键词：

D O I：

10.1364/OE.16.022058

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate a compact core-pumped 2 mu m Tm3+, Ho3+-doped all-fiber laser passively Q-switched with an antimony-based saturable absorber. The 20 ns pulses are the shortest Q-switched pulses from a fiber laser operating beyond 1850 nm and were produced at a repetition rate of 57 kHz and pulse energy of 15 mu J using a short-length (4 ns) cavity. The large absorber modulation depth of similar to 70% together with transient gain compression is shown to provide an efficient mechanism for Q-switched pulse shortening. (C) 2008 Optical Society of America

引用

页码：22058 / 22063

页数：6

共 16 条

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