Femtosecond mode-locked Tm3+ and Tm 3+-Ho3+ doped 2 μm glass lasers

被引:57
作者
Fusari, F. [1 ]
Lagatsky, A. A. [1 ]
Jose, G. [2 ]
Calvez, S. [3 ]
Jha, A. [2 ]
Dawson, M. D. [3 ]
Gupta, J. A. [4 ]
Sibbett, W. [1 ]
Brown, C. T. A. [1 ]
机构
[1] Univ St Andrews, Scottish Univ Phys Alliance, JF Allen Sch Phys & Astron, St Andrews KY16 9SS, Fife, Scotland
[2] Univ Leeds, Inst Mat Res, Sch Proc Environm & Mat Engn, Leeds LS2 9JT, W Yorkshire, England
[3] Univ Strathclyde, Inst Photon, Wolfson Ctr, Glasgow G4 0NW, Lanark, Scotland
[4] Natl Res Council Canada, Inst Microstruct Sci, Ottawa, ON K1A 0R6, Canada
来源
OPTICS EXPRESS | 2010年 / 18卷 / 21期
基金
英国工程与自然科学研究理事会;
关键词
TELLURITE FIBER LASER; PEAK POWER;
D O I
10.1364/OE.18.022090
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We report on the spectroscopic characterization, continuous-wave and continuous wave mode-locked laser performance of bulk Tm3+: GPNG fluorogermanate and Tm3+-Ho3+:TZN tellurite glass lasers around 2 mu m. A slope efficiency of up to 50% and 190 mW of output power were achieved from the Tm3+:GPNG laser at 1944 nm during continuous wave operation. The Tm3+-Ho3+:TZN laser produced a 26% slope efficiency with a maximum output power of 74 mW at 2012 nm. The Tm3+:GPNG produced near-transform-limited pulses of 410 fs duration centered at 1997 nm with up to 84 mW of average output power and repetition frequency of 222 MHz when was passively modelocked using an ion-implanted InGaAsSb-based quantum well SESAM. Using the same SESAM, the Tm3+-Ho3+:TZN laser generated 630-fs pulses with 38 mW of average output power at 2012 nm. Data analysis of pulses at different intracavity pulse energies provided an estimation of n(2) at 2012 nm of 2.9 x 10(-15) cm(2)/W for the Tm3+-Ho3+:TZN (C) 2010 Optical Society of America
引用
收藏
页码:22090 / 22098
页数:9
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