Energy limits imposed by two-photon absorption for pulse amplification in high-power semiconductor optical amplifiers

被引：17

作者：

Ahmad, Faisal R. ^{[1
]}

Tseng, Yen Wei ^{[1
]}

Kats, Mikhail A. ^{[1
]}

Rana, Farhan ^{[1
]}

机构：

[1] Cornell Univ, Sch Elect & Comp Engn, Ithaca, NY 14850 USA

来源：

OPTICS LETTERS | 2008年 / 33卷 / 10期

关键词：

D O I：

10.1364/OL.33.001041

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We study the combined effects of dynamic gain saturation and two-photon absorption on the amplification of short pulses in semiconductor optical amplifiers and show that two-photon absorption can saturate the amplifier gain and limit the output pulse energies even for amplifiers with large gain saturation energies. We discuss the upper limits for the pulse energies obtainable from semiconductor optical amplifiers in the presence of two-photon absorption and show that for single transverse mode waveguide amplifiers these upper limits can range from values as small as a few picojoules to several hundred picojoules for pulse widths in the 0.5 ps to 20 ps range, respectively. (C) 2008 Optical Society of America.

引用

页码：1041 / 1043

页数：3

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