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Mid-infrared Raman sources using spontaneous Raman scattering in germanium core optical fibers

  • Pengfei Wang
  • , Christy Charlton O'Mahony
  • , Timothy Lee
  • , Rand Ismaeel
  • , Thomas Hawkins
  • , Yuliya Semenova
  • , Lin Bo
  • , Qiang Wu
  • , Colette McDonagh
  • , Gerald Farrell
  • , John Ballato
  • , Gilberto Brambilla

Research output: Contribution to journalArticlepeer-review

Abstract

Mid-infrared Raman sources based on spontaneous Raman scattering have been demonstrated in a 15-μm diameter glass-clad crystalline germanium optical fiber and in a germanium-wire. A quantum cascade laser was used as pump at a wavelength of 5.62 μm. Because of their ultra-high optical nonlinearities and extremely broad transparency window, germanium core fibers offer the possibility of fabricating compact and efficient mid-infrared sources.

Original languageEnglish
Article number011111
JournalApplied Physics Letters
Volume102
Issue number1
DOIs
Publication statusPublished - 7 Jan 2013

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