Continuous wave Fe2+:ZnSe mid-IR optical fiber lasers

Michael G. Coco, Stephen C. Aro, Sean A. McDaniel, Alexander Hendrickson, James P. Krug, Pier J. Sazio, Gary Cook, Venkatraman Gopalan, John V. Badding

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Today fiber lasers in the visible to near-infrared region of the spectrum are well known, however mid-infrared fiber lasers have only recently approached the same commercial availability and power output. There has been a push to fabricate optical fiber lasers out of crystalline materials which have superior mid-IR performance and the ability to directly generate mid-IR light. However, these materials cannot currently be fabricated into an optical fiber via traditional means. We have used high pressure chemical vapor deposition (HPCVD) to deposit Fe2+:ZnSe into a silica optical fiber template. These deposited structures have been found to exhibit laser threshold behavior and emit CW mid-IR laser light with a central wavelength of 4.12 μm. This is the first reported solid state fiber laser with direct laser emission generated beyond 4 μm and represents a new frontier of possibility in mid-IR laser development.

Original languageEnglish (US)
Pages (from-to)30263-30274
Number of pages12
JournalOptics Express
Volume28
Issue number20
DOIs
StatePublished - Sep 28 2020

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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