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Absorption, gain, and laser action in bismuth-doped aluminosilicate optical fibers

  • Vladislav V. Dvoyrin
  • , Alexander V. Kir'Yanov
  • , Valery M. Mashinsky
  • , Oleg I. Medvedkov
  • , Andrey A. Umnikov
  • , Alexei N. Guryanov
  • , Evgeny M. Dianov
  • A.M. Prokhorov General Physics Institute of the Russian Academy of Sciences
  • Centro de Investigaciones en Optica, A.C.
  • Fiber Optics Research Center of Russian Academy of Sciences
  • Institute of Chemistry of High-Purity Substances of Russian Academy of Sciences

Research output: Contribution to journalArticlepeer-review

Abstract

In this study, bismuth-doped fiber lasers operating at the wavelength of 1179 nm with an optical efficiency of up to 28% are realized. The fiber gain upon 1-μm pumping declines, while the unsaturable absorption increases with increasing the small-signal absorption. We conclude that up-conversion and excited-state absorption are responsible for limiting the efficiency of such lasers.

Original languageEnglish
Pages (from-to)182-190
Number of pages9
JournalIEEE Journal of Quantum Electronics
Volume46
Issue number2
Early online date22 Dec 2009
DOIs
Publication statusPublished - Feb 2010

Funding

Manuscript received March 02, 2009; revised June 07, 2009 and July 29, 2009. Current version published December 23, 2009. The work was supported in part by the Russian Foundation for Fundamental Research under Grants 08-02-12153, 08-02-00-717, and 09-02-01-028.

Keywords

  • Infrared spectroscopy
  • Optical fiber lasers
  • Optical fiber materials

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