Short (λ ≈ 3.4 μm) and long (λ ≈ 11.5 μm) wavelength room temperature quantum cascade lasers

被引：0

作者：

Faist, J ^{[1
]}

Capasso, F ^{[1
]}

Sivco, DL ^{[1
]}

Hutchinson, AL ^{[1
]}

Chu, SNG ^{[1
]}

Cho, AY ^{[1
]}

Sirtori, C ^{[1
]}

机构：

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

来源：

INTERSUBBAND TRANSITIONS IN QUANTUM WELLS: PHYSICS AND DEVICES | 1998年

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中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Growth of quantum cascade lasers based on strain-compensated InxGa1-xAs/InyAl1-yAs and operating at wavelength shorter than 41 mu m is reported. Pulsed mode operation of these lasers up to T=280K is reported with a high T-0. Continuous wave powers as high as 120mW are reported at cryogenic temperatures (15K). We show in this paper that high temperature operation (T=320K) of quantum cascade lasers can be extended to wavelengths down to 11.5 mu m with high performances. Peak pulsed optical power of 60mW is obtained at 300K with a high T-0=172K, in good agreement with our theoretical model.

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页码：1 / 8

页数：8

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