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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 27, Iss. 12 — Dec. 1, 2010
  • pp: 2714–2720

Energy-transfer parameters in a Tm/Yb doped single mode silica fiber

Atasi Pal, Anirban Dhar, Shyamal Das, K. Annapurna, Anka Schwuchow, Tong Sun, Kenneth T. V. Grattan, and Ranjan Sen  »View Author Affiliations


JOSA B, Vol. 27, Issue 12, pp. 2714-2720 (2010)
http://dx.doi.org/10.1364/JOSAB.27.002714


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Abstract

Energy-transfer parameters in a thulium-ytterbium doped single mode silica fiber have been determined quantitatively for the first time, to our knowledge. The principal energy-transfer parameters, estimated from spectroscopic measurements and on the basis of a migration-assisted energy-transfer model, lead to design and optimization of the thulium-ytterbium doped fiber lasers and amplifiers. Linear dependence of the energy-transfer probability on the product of co-dopant concentrations proves the accuracy of the implementation of the migration-assisted energy-transfer model. It has been found that the step-wise energy-transfer process as well as emission at wavelength ranges of 475, 800, and 2000 nm with pumping at 980 nm is strongly guided by the level of ytterbium concentration with respect to thulium. Thus the proportion has been optimized on the basis of emission at the mentioned wavelength ranges, and an amplified spontaneous emission experiment performed at 2000 nm shows good agreement with the optimization result.

© 2010 Optical Society of America

OCIS Codes
(060.2430) Fiber optics and optical communications : Fibers, single-mode
(300.1030) Spectroscopy : Absorption
(300.2140) Spectroscopy : Emission
(060.3510) Fiber optics and optical communications : Lasers, fiber

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: September 1, 2010
Revised Manuscript: October 9, 2010
Manuscript Accepted: October 13, 2010
Published: November 18, 2010

Citation
Atasi Pal, Anirban Dhar, Shyamal Das, K. Annapurna, Anka Schwuchow, Tong Sun, Kenneth T. V. Grattan, and Ranjan Sen, "Energy-transfer parameters in a Tm/Yb doped single mode silica fiber," J. Opt. Soc. Am. B 27, 2714-2720 (2010)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-27-12-2714

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