Terahertz bound-to-continuum quantum-cascade lasers based on optical-phonon scattering extraction

被引：76
|
作者：
Scalari, G [1 ]
Hoyler, N [1 ]
Giovannini, M [1 ]
Faist, J [1 ]
机构：
[1] Univ Neuchatel, Inst Phys, CH-2000 Neuchatel, Switzerland
来源：
APPLIED PHYSICS LETTERS | 2005年 / 86卷 / 18期
关键词：
D O I：
10.1063/1.1920407
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A design for a terahertz quantum-cascade laser emitting at lambda similar or equal to 82 mu m is presented. A bound-to-continuum active region is coupled to an optical phonon extraction stage in order to improve the population inversion at high temperatures. Device performances in a double-metal waveguide reach 116K in pulsed operation and 53K in continuous wave. A detailed characterization of two waveguide configurations is also presented together with a comparison with previous bound-to-continuum design. (c) 2005 American Institute of Physics.
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页码：1 / 3
页数：3
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