Linewidth enhancement factor and optical gain in (GaIn)(NAs)/GaAs lasers

被引：19

作者：

Gerhardt, NC

Hofmann, MR

Hader, J

Moloney, JV

Koch, SW

Riechert, H

机构：

[1] Ruhr Univ Bochum, D-44780 Bochum, Germany

[2] Univ Arizona, Arizona Ctr Math Sci, Tucson, AZ 85721 USA

[3] Univ Marburg, Fachbereich Phys, D-35032 Marburg, Germany

[4] Infineon Technol, Corp Res CPR 7, D-81730 Munich, Germany

来源：

APPLIED PHYSICS LETTERS | 2004年 / 84卷 / 01期

关键词：

D O I：

10.1063/1.1638628

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Experimental results on the linewidth enhancement factor alpha of 1.3 mum (GaIn)(NAs) lasers are presented and analyzed on the basis of a comparison with theoretical data obtained from a microscopic model. Our experimental data are obtained from the shift of the Fabry-Perot modes with injection current using an approach to eliminate temperature-dependent artifacts. At the emission wavelength at threshold we find a value of 2.5 for alpha which clamps for varying injection current. (C) 2004 American Institute of Physics.

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页码：1 / 3

页数：3

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