SESAM and SWCNT Mode-Locked All-Fiber Thulium-Doped Lasers Based on the Nonlinear Amplifying Loop Mirror

被引:49
作者
Chernysheva, Maria A. [1 ]
Krylov, Alexander A. [1 ]
Arutyunyan, Natalia R. [2 ]
Pozharov, Anatoly S. [2 ]
Obraztsova, Elena D. [2 ]
Dianov, Evgeny M. [1 ]
机构
[1] Russian Acad Sci, Fiber Opt Res Ctr, Moscow 119333, Russia
[2] Russian Acad Sci, AM Prokhorov Gen Phys Inst, Moscow 119333, Russia
关键词
Carbon nanotubes; fiber lasers; laser mode locking; optical pulse shaping;
D O I
10.1109/JSTQE.2014.2313606
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We report on thulium-doped all-fiber lasers based on the nonlinear amplifying loop mirror and mode-locked with a semiconductor saturable absorber (SESAM) or single-walled carbon nanotubes (SWCNTs). An intracavity and external dispersion management was realized with the aid of a passive germanium-silicate fiber. The SESAM mode-locked laser generates as short as 230-fs pulses with a maximum average output power of 106 mW, corresponding to a 3.7 kW peak power and almost 2 nJ pulse energy. In contrast to the SESAM-based laser, the SWCNT mode-locked laser generates 450-fs pulses of mW-level average output power.
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页数:8
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