LINEAR-POLARIZATION OF PHOTOLUMINESCENCE EMISSION AND ABSORPTION IN QUANTUM-WELL WIRE STRUCTURES - EXPERIMENT AND THEORY

被引：79

作者：

ILS, P

GREUS, C

FORCHEL, A

KULAKOVSKII, VD

GIPPIUS, NA

TIKHODEEV, SG

机构：

[1] RUSSIAN ACAD SCI,INST SOLID STATE PHYS,CHERNOGOLOVKA 142432,RUSSIA

[2] RUSSIAN ACAD SCI,INST GEN PHYS,MOSCOW 117333,RUSSIA

来源：

PHYSICAL REVIEW B | 1995年 / 51卷 / 07期

关键词：

D O I：

10.1103/PhysRevB.51.4272

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The photoluminescence (PL) and photoluminescence excitation (PLE) spectra of InxGa1-xAs quantum-well wires (QWW's) with wire widths Lx between 10 nm and 1 μm have been found to demonstrate a strong linear polarization parallel to the wires. The polarization is proportional to 1/Lx for broad wires and saturates in the case of narrow wires at a level of 20-60 % depending on the QWW structure design. This effect in PL and band-edge PLE transitions is shown to be mainly due to the modification of the electromagnetic-field eigenmodes in the vicinity of the quantum wires. © 1995 The American Physical Society.

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页码：4272 / 4277

页数：6

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