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Optics Letters

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  • Vol. 28, Iss. 5 — Mar. 1, 2003
  • pp: 334–336

Low-pump-power, short-fiber copropagating dual-pumped (800 and 1050nm) thulium-doped fiber amplifier

A. S. L. Gomes, M. T. Carvalho, M. L. Sundheimer, C. J. A. Bastos-Filho, J. F. Martins-Filho, J. P. Von der Weid, and W. Margulis  »View Author Affiliations


Optics Letters, Vol. 28, Issue 5, pp. 334-336 (2003)
http://dx.doi.org/10.1364/OL.28.000334


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Abstract

Using optical frequency-domain reflectometry to reveal the gain distribution and allow us to optimize a thulium-doped fiber amplifier, we have demonstrated 18-dB gain by employing only 5 m of a 2000-parts-in- 106 –Tm-doped fiber pumped with 145 mW of power at dual wavelengths of 800 and 1050 nm. The role of the 800-nm pump, which by itself does not permit population inversion, was clearly observed experimentally.

© 2003 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators

Citation
A. S. L. Gomes, M. T. Carvalho, M. L. Sundheimer, C. J. A. Bastos-Filho, J. F. Martins-Filho, J. P. Von der Weid, and W. Margulis, "Low-pump-power, short-fiber copropagating dual-pumped (800 and 1050nm) thulium-doped fiber amplifier," Opt. Lett. 28, 334-336 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-5-334


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