High-power continuous-wave midinfrared type-II "W" diode lasers

被引：40

作者：

Canedy, CL ^{[1
]}

Bewley, WW ^{[1
]}

Lindle, JR ^{[1
]}

Vurgaftman, I ^{[1
]}

Kim, CS ^{[1
]}

Kim, M ^{[1
]}

Meyer, JR ^{[1
]}

机构：

[1] USN, Res Lab, Washington, DC 20375 USA

来源：

APPLIED PHYSICS LETTERS | 2005年 / 86卷 / 21期

关键词：

D O I：

10.1063/1.1938256

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A type-II "W" diode laser with five quantum well periods and emitting at lambda approximate to 3.5 mu m operated in cw mode to T=218 K. A second device produced more than 500 mW of cw power at 80 K. The threshold current density at T=78 K was 31 A/cm(2), and pulsed operation was observed to 317 K. Improvements over previous single-stage devices for this wavelength range may be attributed in part to high growth quality and also to the incorporation of transition regions that smooth discontinuities in the conduction-band profile.

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页码：1 / 3

页数：3

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