Thermoelectrically cooled THz quantum cascade laser operating up to 210K

被引：192

作者：

Bosco, L. ^{[1
]}

Franckie, M. ^{[1
]}

Scalari, G. ^{[1
]}

Beck, M. ^{[1
]}

Wacker, A. ^{[2
]}

Faist, J. ^{[1
]}

机构：

[1] Swiss Fed Inst Technol, Inst Quantum Elect, Auguste Piccard Hof 1, CH-8093 Zurich, Switzerland

[2] Lund Univ, Math Phys & Nanolund, Box 118, S-22100 Lund, Sweden

来源：

APPLIED PHYSICS LETTERS | 2019年 / 115卷 / 01期

基金：

瑞典研究理事会; 欧盟地平线“2020”;

关键词：

SEMICONDUCTOR;

D O I：

10.1063/1.5110305

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We present a terahertz quantum cascade laser operating on a thermoelectric cooler up to a record-high temperature of 210.5K. The active region design is based on only two quantum wells and achieves high temperature operation thanks to a systematic optimization by means of a nonequilibrium Green's function model. Laser spectra were measured with a room temperature detector, making the whole setup cryogenic free. At low temperatures (similar to 40K), a maximum output power of 200 mW was measured. Published under license by AIP Publishing.

引用

页数：5

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