Quantum Well Intersubband Heterodyne Infrared Detection up to 82 GHz

  • H. C. Liu
  • , Jianmeng Li
  • , E. R. Brown
  • , K. A. McIntosh
  • , K. B. Nichols
  • , M. J. Manfra

Research output: Contribution to journalArticlepeer-review

Abstract

We demonstrate the heterodyne detection of two CO2 laser signals offset in frequency up to 82.16 GHz using a multiple quantum well intersubband infrared photodetector. The high frequency is reached by down conversion using the detector itself as a microwave or millimeter-wave mixer.
Original languageEnglish
Pages (from-to)1594
Number of pages1
JournalApplied Physics Letters
Volume67
Issue number11
DOIs
StatePublished - 1995
Externally publishedYes

ASJC Scopus Subject Areas

  • Physics and Astronomy (miscellaneous)

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