Continuous room-temperature operation of electrically pumped quantum-dot microcylinder lasers

被引：15

作者：

Arzberger, M ^{[1
]}

Böhm, G ^{[1
]}

Amann, MC ^{[1
]}

Abstreiter, G ^{[1
]}

机构：

[1] Tech Univ Munich, Walter Schottky Inst, D-85748 Garching, Germany

来源：

APPLIED PHYSICS LETTERS | 2001年 / 79卷 / 12期

关键词：

D O I：

10.1063/1.1403656

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report continuous-wave (cw) room-temperature operation of electrically pumped AlGaAs/GaAs microcylinder lasers using self-assembled InAs/GaAs quantum dots (QDs) as the active material. The threshold currents are lower than those of similar devices with an InGaAs quantum well fabricated for comparison. This is discussed in terms of nonradiative surface recombination at the sidewall of the resonator which has less influence in the case of the QD devices since the lateral carrier confinement suppresses lateral carrier diffusion. (C) 2001 American Institute of Physics.

引用

页码：1766 / 1768

页数：3

共 17 条

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