Lasing from a single-quantum wire

被引：60
作者：
Hayamizu, Y
Yoshita, M
Watanabe, S
Akiyama, H
Pfeiffer, LN
West, KW
机构：
[1] Univ Tokyo, Inst Solid State Phys, Chiba 2778581, Japan
[2] Bell Labs, Lucent Technol, Murray Hill, NJ 07974 USA
来源：
APPLIED PHYSICS LETTERS | 2002年 / 81卷 / 26期
关键词：
D O I：
10.1063/1.1532111
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A laser with an active volume consisting of only a single-quantum wire in the one-dimensional (1D) ground state is demonstrated. The single wire is formed quantum mechanically at the T-shaped intersections of a 14 nm Al0.07Ga0.93As quantum well and a 6 nm GaAs quantum well, and is embedded in a 1D single-mode optical waveguide. We observe single-mode lasing. from the quantum-wire ground state by optical pumping. The laser operates from 5 to 60 K, and has a low threshold pumping power of 5 mW at 5 K. (C) 2002 American Institute of physics.
引用
收藏
页码：4937 / 4939
页数：3
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