Design of superlattice termination layers
作者:
D. D. Coon,
E. Sorar,
期刊:
Applied Physics Letters
(AIP Available online 1990)
卷期:
Volume 56,
issue 18
页码: 1790-1792
ISSN:0003-6951
年代: 1990
DOI:10.1063/1.103101
出版商: AIP
数据来源: AIP
摘要:
Problems associated with quantum mechanical reflection of miniband carriers at the ends of superlattices are examined. Mo¨bius transformations which map miniband Bloch wave reflectivity into plane wave reflectivity and vice versa are derived. These transformations facilitate the design of blocking and antiblocking layers which are analogous to reflective and antireflective coatings on optical elements. An example of termination layer design which is easy to implement is given. Applications include superlattice infrared detector design.
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