High-speed modulation and free-space optical audio/video transmission using quantum cascade lasers

  • R. Martini
  • , C. Gmachl
  • , J. Falciglia
  • , F. G. Curti
  • , C. G. Bethea
  • , F. Capasso
  • , E. A. Whittaker
  • , R. Paiella
  • , A. Tredicucci
  • , A. L. Hutchinson
  • , D. L. Sivco
  • , A. Y. Cho

Research output: Contribution to journalArticlepeer-review

87 Scopus citations

Abstract

The high-speed direct modulation response of mid-infrared quantum cascade (QC) lasers is investigated up to a frequency of 2 GHz, showing high-frequency data transmission capabilities. The application of QC lasers to optical wireless communications is discussed and demonstrated in a free-space television link over a distance of 70 m.

Original languageEnglish
Pages (from-to)191-193
Number of pages3
JournalElectronics Letters
Volume37
Issue number3
DOIs
StatePublished - 1 Feb 2001

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