RT exciton waveguiding and lasing in submonolayer CdSe-(Zn, Mg)(S, Se) structures

被引：3

作者：

Krestnikov, IL

Ivanov, SV

Kop'ev, PS

Ledentsov, NN

Maximov, MV

Sakharov, AV

Sorokin, SV

Rosenauer, A

Gerthsen, D

Torres, CMS

Bimberg, D

Alferov, ZI

机构：

[1] AF Ioffe Phys Tech Inst, Russian Acad Sci, St Petersburg 194021, Russia

[2] Tech Univ Berlin, D-10623 Berlin, Germany

[3] Univ Karlsruhe, Lab Electronenmikroskopie, D-76128 Karlsruhe, Germany

[4] Berg Univ Gesamthsch Wuppertal, Lehrstuhl Mat Wissentsch Elektrotech, D-42097 Wuppertal, Germany

来源：

MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY | 1998年 / 51卷 / 1-3期

基金：

俄罗斯基础研究基金会;

关键词：

quantum dots; lasing; waveguiding; CdSe/ZnMgSSe;

D O I：

10.1016/S0921-5107(97)00223-7

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We demonstrate exciton waveguiding and short wavelength lasing (460 nm at 300 K) in quantum dot structures based on submonolayer superlattices. High resolution electron microscopy studies reveal that CdSe submonolayer insertion in a ZnSe matrix forms an array of 2D nanoscale islands. Strong modulation in the optical reflectance spectra is observed in a 20 period submonolayer superlattice structure at energy corresponding to the localized exciton state, and the lasing occurs directly in the spectral region of the exciton-induced enhancement of the refractive index. (C) 1998 Elsevier Science S.A. All rights reserved.

引用

页码：26 / 29

页数：4

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