Low-threshold, diode-pumped operation of the holmium upconversion fiber laser

D. S. Funk, C. J. Wagner, J. G. Eden, J. S. Osinski, B. Lu

Research output: Contribution to journalConference articlepeer-review


Low threshold operation of the 550 nm holmium laser is reported in a Ho3+:ZBLAN fiber pumped near 650 nm. The 550 nm transition has been pumped by an InGaAlP diode laser producing approximately 30 mW at 643 nm. Over 1.2 mW of green laser output and an optical conversion efficiency of 12% has been obtained. The threshold diode laser pump power was 3.5 mW launched.

Original languageEnglish (US)
Pages (from-to)8-17
Number of pages10
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - 1998
Externally publishedYes
EventProceedings of the 1998 Conference on Doped Fiber Devices II - Boston, MA, USA
Duration: Nov 2 1998Nov 3 1998

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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