Nonlinearly limited saturable-absorber mode locking of an erbium fiber laser

被引:33
作者
Jiang, M
Sucha, G
Fermann, ME
Jimenez, J
Harter, D
Dagenais, M
Fox, S
Hu, Y
机构
[1] IMRA Amer Inc, Ann Arbor, MI 48105 USA
[2] Univ Maryland, College Pk, MD 20742 USA
关键词
D O I
10.1364/OL.24.001074
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We describe an erbium fiber laser that is passively mode locked by a novel, precision antireflection-coated semiconductor saturable-absorber mirror that incorporates an additional two-photon absorber. It is shown that passive mode locking evolves from a Q-switching instability. The results are achieved by use of saturable absorbers that provide a large (15%) nonlinear (saturable) loss. Exploiting two-photon absorption can substantially reduce the peak power of the Q-switched pulses, which results in improved reliability of the laser. Moreover, two-photon absorption can be used to produce an optimal stability range for saturable-absorber mode locking. (C) 1999 Optical Society of America.
引用
收藏
页码:1074 / 1076
页数:3
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