Electro-optic exciton nonlinearities in Zn1-xCdxSe/ZnSe multiple quantum wells

被引：9

作者：

Giugno, PV

DeVittorio, M

Rinaldi, R

Cingolani, R

Quaranta, F

Vanzetti, L

Sorba, L

Franciosi, A

机构：

[1] UNIV BARI, DIPARTIMENTO FIS, SCUOLA DOTTORATO RIC FIS, IST NAZL FIS MAT, I-70100 BARI, ITALY

[2] CNR, IST ICMAT, MONTELIBRETTI, ITALY

[3] UNIV MINNESOTA, DEPT CHEM ENGN & MAT SCI, MINNEAPOLIS, MN 55455 USA

[4] UNIV TRIESTE, DIPARTIMENTO FIS, I-34012 TRIESTE, ITALY

[5] UNIV LECCE, DIPARTIMENTO SCI MAT, IST NAZL FIS MAT, UNITA LECCE, I-73100 LECCE, ITALY

[6] CNR, IST NUOVI MAT ELETT, I-73100 LECCE, ITALY

[7] IST NAZL FIS MAT, LAB NAZL TECNOL AVANZATE SUPERFICI & CATALISI, AREA RIC, I-34012 TRIESTE, ITALY

来源：

PHYSICAL REVIEW B | 1996年 / 54卷 / 23期

关键词：

D O I：

10.1103/PhysRevB.54.16934

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The quantum-confined Stark effect (QCSE) in Zn1-xCdxSe/ZnSe multiple quantum wells embedded in the intrinsic region of p-i-n photodiodes has been investigated by means of photoluminescence spectroscopy under applied bias and photocurrent spectroscopy. Room-temperature excitonic bleaching is observed at reverse biases as low as 3 V. Both the redshift and the reduction of the oscillator strength of the excitonic emission have bean calculated by means of a variational model. We use the same model to clarify the main specific features of the QCSE in II-VI materials.

引用

页码：16934 / 16938

页数：5

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