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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 18, Iss. 10 — Oct. 1, 2001
  • pp: 1436–1442

Site-selective spectroscopy in dysprosium-doped chalcogenide glasses for 1.3-µm optical-fiber amplifiers

T. Schweizer, F. Goutaland, E. Martins, D. W. Hewak, and W. S. Brocklesby  »View Author Affiliations

JOSA B, Vol. 18, Issue 10, pp. 1436-1442 (2001)

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Dy3+-doped chalcogenide glasses are potential candidates for 1.3-µm optical-fiber amplifiers. We describe spectroscopic characterization of Dy3+-doped gallium lanthanum sulphide glasses with low and high oxide content. The spectroscopic investigations show that small amounts of oxide (∼1%) in low-oxide-content sulphide glass create a second group of sites with a local environment different than that of the main sulphide sites. Dy3+ ions in the oxide site, which can constitute up to approximately one third of the total number of Dy3+ ions, experience a high-phonon-energy environment and do not show any 1.3-µm emission and hence cannot provide gain for a potential 1.3-µm optical-fiber amplifier in this material.

© 2001 Optical Society of America

OCIS Codes
(060.2290) Fiber optics and optical communications : Fiber materials
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(160.2750) Materials : Glass and other amorphous materials
(160.5690) Materials : Rare-earth-doped materials
(300.6320) Spectroscopy : Spectroscopy, high-resolution
(300.6450) Spectroscopy : Spectroscopy, Raman

T. Schweizer, F. Goutaland, E. Martins, D. W. Hewak, and W. S. Brocklesby, "Site-selective spectroscopy in dysprosium-doped chalcogenide glasses for 1.3-m optical-fiber amplifiers," J. Opt. Soc. Am. B 18, 1436-1442 (2001)

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