CARRIER HEATING DYNAMICS IN SEMICONDUCTOR WAVE-GUIDE SATURABLE ABSORBERS

被引：10

作者：

KARIN, JR

USKOV, AV

NAGARAJAN, R

BOWERS, JE

MORK, J

机构：

[1] Department of Electrical and Computer Engineering, University of California, Santa Barbara

来源：

APPLIED PHYSICS LETTERS | 1994年 / 65卷 / 21期

关键词：

D O I：

10.1063/1.112565

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Pump-probe measurements in GaAs/GaAlAs waveguide saturable absorbers reveal an ultrafast transient in the absorption recovery dynamics, and a second slower signal before the final recovery. We present a model of the differential transmission measurements which includes high field and space charge effects in addition to the spectral hole burning and carrier heating typically found in semiconductor amplifiers. The results of the model indicate that field-induced carrier heating strongly influences the absorption dynamics in saturable absorbers used for mode-locked diode lasers. © 1994 American Institute of Physics.

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页码：2708 / 2710

页数：3

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