INTERSUBBAND RELAXATION OF HEAVY-HOLE EXCITONS IN GAAS QUANTUM-WELLS

被引：16

作者：

HOPFEL, RA

RODRIGUES, R

IIMURA, Y

YASUI, T

SEGAWA, Y

AOYAGI, Y

GOODNICK, SM

机构：

[1] INST PHYS & CHEM RES, FRONTIER RES PROGRAM, WAKO, SAITAMA 35101, JAPAN

[2] OREGON STATE UNIV, DEPT ELECT & COMP ENGN, CORVALLIS, OR 97331 USA

来源：

PHYSICAL REVIEW B | 1993年 / 47卷 / 16期

关键词：

D O I：

10.1103/PhysRevB.47.10943

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The temporal dynamics of an exciton in a higher quantum-well subband is observed. The lifetime of the exciton formed by an electron of the lowest subband and a heavy hole of the second subband in GaAs quantum wells is determined by time-resolved luminescence as 130+/-20 ps, in agreement with theoretical estimations of intersubband scattering by acoustic-phonon emission. Consequences for intersubband lasers are substantial.

引用

收藏

页码：10943 / 10946

页数：4

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