Continuous-wave distributed-feedback quantum-cascade lasers on a Peltier cooler

被引：44

作者：

Aellen, T ^{[1
]}

Blaser, S

Beck, M

Hofstetter, D

Faist, J

Gini, E

机构：

[1] Univ Neuchatel, Inst Phys, CH-2000 Neuchatel, Switzerland

[2] Swiss Fed Inst Technol, Ctr Micro & Nanosci 1, CH-8093 Zurich, Switzerland

来源：

APPLIED PHYSICS LETTERS | 2003年 / 83卷 / 10期

关键词：

D O I：

10.1063/1.1609044

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Continuous-wave operation of lambdasimilar to9 mum distributed-feedback quantum-cascade lasers is reported up to a temperature of 260 K. Single-frequency emission with a side mode suppression ratio of greater than or equal to27 dB and with a tuning range of 5 cm(-1) between 200 and 245 K (a tunability of -0.078 cm(-1)/K and -0.764 cm(-1)/W) is obtained for the junction-down mounted buried heterostructure devices. Uncoated lasers display an output power of up to 18 mW at 180 K and still 1 mW at 250 K. Lasers with high-reflection coated facets could be operated up to 260 K. (C) 2003 American Institute of Physics.

引用

页码：1929 / 1931

页数：3

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