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Double-barrier superlattice infrared photodetector combined with quantum well infrared photodetector for operation at high temperature and low bias

  • Shih Hung Lin*
  • , Che Wei Chang
  • , Chieh Hsiung Kuan
  • , J. Y. Feng
  • , T. S. Lay
  • *Corresponding author for this work
  • National Taiwan University
  • National Sun Yat-sen University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We have designed a double-barrier superlattice infrared photodetector combined with quantum well infrared photodetector which has a superlattice (SL) sandwiched between the thick and graded barriers then multiple quantum wells(MQWs) are inserted in the right side of them . The two barriers can let the photoelectrons to bounce back and forth then the photoelectrons inject through the MQWs which are used as noise filter. The detector shows high-temperature operation (∼110K) at low bias. The associated detectivity is also optimized so this device is the promising candidate of a pixel in the focal plane array.

Original languageEnglish
Title of host publicationProceedings - TERA-MIR 2009, NATO Advanced Research Workshop Terahertz and Mid Infrared Radiation
Subtitle of host publicationBasic Research and Practical Applications
Pages7-8
Number of pages2
DOIs
StatePublished - 2009
Externally publishedYes
EventNATO Advanced Research Workshop Terahertz and Mid Infrared Radiation: Basic Research and Practical Applications, TERA-MIR 2009 - Turunc-Marmaris, Turkey
Duration: 03 11 200906 11 2009

Publication series

NameProceedings - TERA-MIR 2009, NATO Advanced Research Workshop Terahertz and Mid Infrared Radiation: Basic Research and Practical Applications

Conference

ConferenceNATO Advanced Research Workshop Terahertz and Mid Infrared Radiation: Basic Research and Practical Applications, TERA-MIR 2009
Country/TerritoryTurkey
CityTurunc-Marmaris
Period03/11/0906/11/09

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