Midinfrared surface-emitting PbSe/PbEuTe quantum-dot lasers

被引：59

作者：

Springholz, G ^{[1
]}

Schwarzl, T

Heiss, W

Bauer, G

Aigle, M

Pascher, H

Vavra, I

机构：

[1] Johannes Kepler Univ Linz, Inst Halbleiter & Festkorperphys, A-4040 Linz, Austria

[2] Univ Bayreuth, D-95447 Bayreuth, Germany

[3] Slovak Acad Sci, Inst Elect Engn, SK-84239 Bratislava, Slovakia

来源：

APPLIED PHYSICS LETTERS | 2001年 / 79卷 / 09期

关键词：

D O I：

10.1063/1.1389517

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Midinfrared laser emission from self-organized PbSe quantum dots in a high-finesse vertical-cavity surface-emitting laser structure is reported. The structure was grown by molecular-beam epitaxy and consists of high reflectivity epitaxial EuTe/PbEuTe Bragg mirrors with a PbSe/Pb1-xEuxTe quantum-dot superlattice as the active region. Narrow laser emission at 4.2-3.9 mum induced by optical pumping is achieved at temperatures up to 90 K. The observation of simultaneous two-mode emission indicates a width of the inhomogeneously broadened PbSe dot gain spectrum of about 18 meV. (C) 2001 American Institute of Physics.

引用

页码：1225 / 1227

页数：3

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