Low-threshold optically pumped λ=4.4μm vertical-cavity surface-emitting laser with a PbSe quantum-well active region

被引：38

作者：

Felix, CL

Bewley, WW

Vurgaftman, I

Lindle, JR

Meyer, JR

Wu, HZ

Xu, G

Khosravani, S

Shi, Z

机构：

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

[2] Univ Oklahoma, Sch Elect & Comp Engn, Norman, OK 73019 USA

来源：

APPLIED PHYSICS LETTERS | 2001年 / 78卷 / 24期

关键词：

D O I：

10.1063/1.1378808

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report pulsed emission from an optically pumped lead-salt vertical-cavity surface-emitting laser with a PbSe/PbSrSe quantum-well active region. The lasing wavelength of lambda = 4.44 mum is nearly constant over the temperature range 200-280 K, and the threshold is only 10.5 kW/cm(2) at 260 K, where the gain peak and cavity mode are in resonance. Over 330 mW of peak power is emitted at 260 K, into a circular beam whose divergence angle increases with pump intensity. (C) 2001 American Institute of Physics.

引用

页码：3770 / 3772

页数：3

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