Polarization dependent photocurrent spectroscopy for identification of quantum confined interband transitions in type-II InAs/GaSb superlattices

被引：2
作者：
Gautam, Nutan [1 ]
Barve, Ajit Vijay [1 ]
Krishna, Sanjay [1 ]
机构：
[1] Univ New Mexico, Ctr High Technol Mat, Albuquerque, NM 87106 USA
来源：
PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 10, NO 5 | 2013年 / 10卷 / 05期
关键词：
polarization; strained layer superlattice; photocurrent spectroscopy; THEORETICAL PERFORMANCE; INFRARED DETECTORS; OPTICAL-PROPERTIES; SEMICONDUCTOR; PROPOSAL;
D O I：
10.1002/pssc.201200654
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We report on the use of polarization sensitive photocurrent spectroscopy for identifying the participating transitions in type-II superlattices based on InAs/GaSb system. Prominent features in measured transverse magnetic and transverse electric photocurrent response on photodetectors have been analyzed to unambiguously predict the correct ordering of hole minibands as heavy and light hole minibands. Measurements carried out on both mid-wave infrared as well as long wave infrared superlattice detectors reveal the order of the participating valence minibands as: heavy-holel, light-holel and light-hole2, with the increasing energy. (C) 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
引用
收藏
页码：736 / 739
页数：4
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