THz quantum cascade designs for optimized injection

被引：13

作者：

Losco, T. ^{[1
]}

Xu, J. H. ^{[1
]}

Green, R. P. ^{[1
]}

Tredicucci, A. ^{[1
]}

Beere, H. E. ^{[2
]}

Ritchie, D. A. ^{[2
]}

机构：

[1] NEST CNR INFM & Scuola Normal Super Pisa, I-56126 Pisa, Italy

[2] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England

来源：

PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2008年 / 40卷 / 06期

关键词：

quantum cascade lasers; terahertz; far-infrared; superlattices;

D O I：

10.1016/j.physe.2007.11.030

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We report two different terahertz (THz) quantum cascade lasers based on bound-to-continuum transitions emitting at 2.8 and 3.8 THz. Novel design approaches have been explored with the purpose of optimizing the electron injection process. Both devices show large current dynamic ranges with output powers of several tens of mW, offering ample scope for future improvements. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：2207 / 2209

页数：3

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