SIMULTANEOUS MEASUREMENT OF ELECTRON AND HOLE ESCAPE TIMES FROM BIASED SINGLE QUANTUM-WELLS

被引：17

作者：

CAVAILLES, JA

MILLER, DAB

CUNNINGHAM, JE

WA, PLK

MILLER, A

机构：

[1] UNIV CENT FLORIDA,CTR RES ELECTROOPT & LASERS,ORLANDO,FL 32826

[2] ALCATEL ALSTHOM RECH,F-91450 MARCOUSSIS,FRANCE

来源：

APPLIED PHYSICS LETTERS | 1992年 / 61卷 / 04期

关键词：

D O I：

10.1063/1.107903

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Picosecond pump probe measurements on waveguides containing a single GaAs/GaAlAs quantum well have enabled us to determine for the first time both electron and hole escape times from biased quantum wells. Contributions from excitonic saturation and field screening by photogenerated carriers can be clearly identified in the nonlinear transition signal and are quantitatively modeled. Preliminary analysis suggests that thermally assisted escape is dominant at room temperature, but discrepancies are found with conventional thermionic emission models.

引用

页码：426 / 428

页数：3

共 10 条

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