Observation of combined electron and photon confinement in planar microcavities incorporating quantum wires

被引：18

作者：

Constantin, C ^{[1
]}

Martinet, E ^{[1
]}

Rudra, A ^{[1
]}

Kapon, E ^{[1
]}

机构：

[1] Ecole Polytech Fed Lausanne, Dept Phys, CH-1015 Lausanne, Switzerland

来源：

PHYSICAL REVIEW B | 1999年 / 59卷 / 12期

关键词：

D O I：

10.1103/PhysRevB.59.R7809

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have investigated the transition from nonresonant to resonant coupling between quantum confined one-dimensional carriers and two-dimensional photon states in a wavelength-long planar Bragg microcavity incorporating strained In0.15Ga0.85As/GaAs V-groove quantum wires (QWRs). Clear spectral and angular redistribution of the broad (8 meV) and weakly directional QWR emission in free space into the narrow (I meV) and directional resonant quasimodes of the planar microcavity is observed, resulting in an intense (x50) and polarization controlled emission from the microcavity QWRs. Moreover, the microcavity confinement is used to discriminate between QWR excitons with different degrees of localization, and to alter exciton diffusion both in real and k space. [S0163-1829(99)51012-6].

引用

页码：R7809 / R7812

页数：4

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