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Physical model and characteristics of quantum dot infrared photodetectors

  • V. Ryzhii
  • , I. Khmyrova
  • , V. Pipa
  • , M. Ryzhii
  • , V. Mitin
  • , M. Willander
  • The University of Aizu
  • Wayne State University
  • Chalmers University of Technology

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

We develop a physical model for quantum dot infrared photodetectors (QDIPs). Using this model, we calculate the dark current and photocurrent in QDIPs as functions of the QDIP structural parameters and the applied voltage. The obtained results clarify some interesting features of the QDIP characteristics observed experimentally, in particular, a rather steep (exponential) rise of the dark current and photocurrent with the applied voltage and the occurrence of the negative differential photoconductivity.

Original languageEnglish
Pages (from-to)382-385
Number of pages4
JournalConference Proceedings - International Conference on Indium Phosphide and Related Materials
DOIs
StatePublished - 2001

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