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Applied Optics

Applied Optics


  • Vol. 38, Iss. 30 — Oct. 20, 1999
  • pp: 6284–6291

Experimental determination of the upconversion rate in erbium-doped silicate glasses

Nikolai Nikonorov, Alexander Przhevuskii, Michael Prassas, and David Jacob  »View Author Affiliations

Applied Optics, Vol. 38, Issue 30, pp. 6284-6291 (1999)

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A new experimental method for direct determination of the upconversion coefficient Cup in Er-doped glasses is presented. This method is based on measurement of the dependence on pump power of the fluorescence quantum yield at 1.54 µm and of the excited-state absorption. Two methods are used for determination of the population of the excited Er ions. The first is based on the measurement of the variation in stimulated emission and on the variation in ground-state absorption for the 4I15/24I13/2 transition range. In the second, the excited-state absorption is measured for the 4I13/24F7/2 transition. This method is successfully applied to Er-doped silicate glass fibers. The value of Cup experimentally obtained is in good agreement with previously published results.

© 1999 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2270) Fiber optics and optical communications : Fiber characterization
(060.2300) Fiber optics and optical communications : Fiber measurements
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.2410) Fiber optics and optical communications : Fibers, erbium
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence

Original Manuscript: April 19, 1999
Revised Manuscript: July 2, 1999
Published: October 20, 1999

Nikolai Nikonorov, Alexander Przhevuskii, Michael Prassas, and David Jacob, "Experimental determination of the upconversion rate in erbium-doped silicate glasses," Appl. Opt. 38, 6284-6291 (1999)

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