Electroabsorption and refraction by electron transfer in asymmetric modulation‐doped multiple quantum well structures
作者:
M. Wegener,
T. Y. Chang,
I. Bar‐Joseph,
J. M. Kuo,
D. S. Chemla,
期刊:
Applied Physics Letters
(AIP Available online 1989)
卷期:
Volume 55,
issue 6
页码: 583-585
ISSN:0003-6951
年代: 1989
DOI:10.1063/1.101840
出版商: AIP
数据来源: AIP
摘要:
We present a novel heterostructure that exhibits large electroabsorption and refraction. The structure is periodic with a stackable building block, thus it allows large contrast and waveguide operation. The mechanism used is the quenching of absorption produced by transfer of electrons from a reservoir into a quantum well. We demonstrate the principle by presenting differential absorption and refraction spectra on a ten‐period device.
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