Subband renormalization in dense electron-hole plasmas in In0.53Ga0.47As/InP quantum wires

被引：15

作者：

Wang, KH

Bayer, M

Forchel, A

Ils, P

Benner, S

Haug, H

PagnodRossiaux, P

Goldstein, L

机构：

[1] UNIV FRANKFURT,D-60054 FRANKFURT,GERMANY

[2] ALCATEL ALSTHOM RECH,F-91460 MARCOUSSIS,FRANCE

来源：

PHYSICAL REVIEW B | 1996年 / 53卷 / 16期

关键词：

D O I：

10.1103/PhysRevB.53.R10505

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In0.53Ga0.47As/InP quantum wires have been investigated by cw high-excitation luminescence spectroscopy. Quantum-wire states up to the edge of the InP conduction band have been populated in the dense neutral electron-hole plasma. Up to three lateral subband transitions are clearly observed in the luminescence spectra. By using calculated line shapes, the temperature and the density:of the e-h plasma as well as the band-gap reduction of the different lateral subbands have been determined. We observe a clear dependence of the renormalization on the subband index, which is traced to the density dependence of the exchange energy.

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页码：10505 / 10508

页数：4

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