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Visible-extended mid-infrared wide spectrum detector based on InAs/GaSb type-II superlattices (T2SL)
Guo, Chunyan1,2; Sun, Yaoyao3,4; Jia, Zhe5; Jiang, Zhi3,4; Lv, Yuexi3,4; Hao, Hongyue3,4; Han, Xi3,4; Dong, Yinan4; Jiang, Dongwei3,4; Wang, Guowei3,4; Xu, Yingqiang3,4; Wang, Tao1; Tian, Jinshou1; Wu, Zhaoxin2; Niu, Zhichuan3,4
Department精密物理量测量实验室
2018-03-01
Source PublicationINFRARED PHYSICS & TECHNOLOGY
ISSN1350-4495
Volume89Pages:147-153
Contribution Rank1
Abstract

The authors report an innovative design of wide spectrum detector that can detect visible and mid-infrared spectrum, from 0.4 to 5 mu m, simultaneously. The detector is designed with microstructure of various types of photon traps fabricated on mid-infrared InAs/GaSb type-II superlattice materials. Quantum efficiency has been significantly improved due to the action of photon traps which can decrease the reflectivity of the surface of InAs/GaSb type-II superlattice down to less than 5%. Under the condition of 77 K and 200 mV bias voltage, the responsivity of the detector is about 0.0250.45 A/W in the visible wavelength regime of 400-790 nm, more than 0.3 A/W in spectrum of 800-2000 nm, respectively. Through the optimized photon trap structure, the responsivity of detector is to 1.25 A/W and predominantly improve the quantum efficiency of the detector up to 52.5% at 3 mu m. (C) 2017 Published by Elsevier B.V.

 

KeywordWide Spectrum Detector Microstructure Inas/gasb Type-ii Superlattice Photon Traps
DOI10.1016/j.infrared.2017.12.020
Indexed BySCI ; EI
Language英语
WOS IDWOS:000428100900020
EI Accession Number20180304647092
Citation statistics
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/30808
Collection精密物理量测量实验室
Affiliation1.Chinese Acad Sci, Xian Inst Opt & Precis Mech, Key Lab Ultra Fast Photoelect Diagnost Technol, Xian 710119, Shaanxi, Peoples R China;
2.Xi An Jiao Tong Univ, Xian 710049, Shaanxi, Peoples R China;
3.Chinese Acad Sci, Inst Semicond, State Key Lab Superlattices & Microstruct, Beijing 100083, Peoples R China;
4.Univ Chinese Acad Sci, Coll Mat Sci & Optoelect Technol, Beijing 100049, Peoples R China;
5.Univ Southampton, ORC, Southampton SO17 1BJ, Hants, England
Recommended Citation
GB/T 7714
Guo, Chunyan,Sun, Yaoyao,Jia, Zhe,et al. Visible-extended mid-infrared wide spectrum detector based on InAs/GaSb type-II superlattices (T2SL)[J]. INFRARED PHYSICS & TECHNOLOGY,2018,89:147-153.
APA Guo, Chunyan.,Sun, Yaoyao.,Jia, Zhe.,Jiang, Zhi.,Lv, Yuexi.,...&Niu, Zhichuan.(2018).Visible-extended mid-infrared wide spectrum detector based on InAs/GaSb type-II superlattices (T2SL).INFRARED PHYSICS & TECHNOLOGY,89,147-153.
MLA Guo, Chunyan,et al."Visible-extended mid-infrared wide spectrum detector based on InAs/GaSb type-II superlattices (T2SL)".INFRARED PHYSICS & TECHNOLOGY 89(2018):147-153.
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