Thermal-equilibrium relation between the optical emission and absorption spectra of a doped semiconductor quantum well

被引：15

作者：

Ihara, Toshiyuki ^{[1
]}

Maruyama, Shun ^{[1
]}

Yoshita, Masahiro ^{[1
]}

Akiyama, Hidefumi ^{[1
]}

Pfeiffer, Loren N. ^{[2
]}

West, Ken W. ^{[2
]}

机构：

[1] Univ Tokyo, ISSP, Chiba 2778581, Japan

[2] Bell Labs, Murray Hill, NJ 07974 USA

来源：

PHYSICAL REVIEW B | 2009年 / 80卷 / 03期

关键词：

KENNARD-STEPANOV RELATION; FLUORESCENCE; PHOTOLUMINESCENCE; THERMODYNAMICS;

D O I：

10.1103/PhysRevB.80.033307

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report experimental demonstration of the Kennard-Stepanov (KS) relation, a fundamental equilibrium relation determined by absolute temperature, between photoluminescence (PL) and PL-excitation spectra of a doped quantum well. With the resonant excitation PL measurement technique, the KS relation has been fulfilled at 5-220 K, thanks to the thermal bath provided by the resident carriers introduced with the doping. Crossover to quasi thermal or nonthermal carrier distributions has also been characterized quantitatively via systematic off-resonant excitations.

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页数：4

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