EXCITONIC PHOTON ABSORPTION-EMISSION CHARACTERISTICS IN ZNCDSE-ZNSE SINGLE-QUANTUM-WELL STRUCTURES

被引：8
|
作者：
ANDO, K
OHKI, A
ZEMBUTSU, S
机构：
[1] NTT Optoelectronics Laboratories, Ibaraki
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 1992年 / 31卷 / 9B期
关键词：
ZNCDSE-ZNSE QW; MOVPE; SQW; EXCITONIC ABSORPTION AND EMISSION; STIMULATED EMISSION; BLUEGREEN LD; LOCALIZED EXCITON;
D O I：
10.1143/JJAP.31.L1362
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Excitonic photon absorption and emission processes are investigated under zero or external electric fields on MOVPE grown (Zn1-xCdx)Se-ZnSe:x=0.18 single quantum wells (SQWs). The effects of a dc electric field applied perpendicularly on absorption and emission processes are examined by electric field-controlled photoluminescence (PL), electroreflectance (ER) and photocurrent (PC) spectrum measurements. The characteristics of optically excited spontaneous and stimulated emissions from the SQWs are different in both spectrum peak energies and field effects from those expected in the heavy hole mass (H-H exciton round state n=1 in quantum wells.
引用
收藏
页码：L1362 / L1365
页数：4
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