Multi-Watt high-power THz frequency quantum cascade lasers

被引：94

作者：

Li, L. H. ^{[1
]}

Chen, L. ^{[1
]}

Freeman, J. R. ^{[1
]}

Salih, M. ^{[1
]}

Dean, P. ^{[1
]}

Davies, A. G. ^{[1
]}

Linfield, E. H. ^{[1
]}

机构：

[1] Univ Leeds, Sch Elect & Elect Engn, Leeds LS2 9JT, W Yorkshire, England

来源：

ELECTRONICS LETTERS | 2017年 / 53卷 / 12期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1049/el.2017.0662

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Multi-Watt high-power terahertz (THz) frequency quantum cascade lasers are demonstrated, based on a single, epitaxially grown, 24-mu m-thick active region embedded into a surface-plasmon waveguide. The devices emit in pulsed mode at a frequency of similar to 4.4 THz and have a maximum operating temperature of 132 K. The maximum measurable emitted powers from a single facet are similar to 2.4 W at 10 K and similar to 1.8 W at 77 K, with no correction being made for the optical collection efficiency of the apparatus, or absorption by the cryostat polyethylene window.

引用

页码：799 / +

页数：2

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