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Proceedings Paper

Theoretical and experimental characterization of thermal effects in doped fibers
Author(s): Monica K. Davis; Michel J. F. Digonnet
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Paper Abstract

Nonradiative decay mechanisms in doped fibers introduce heat into the fiber core and often decrease the upper state lifetime of a dopant. This can be detrimental to doped-fiber lasers, amplifiers, and in some cases all-optical switches. In this paper we report theoretical and experimental studies of thermal effects in doped fibers, with particular emphasis on their impact on all-optical nonlinear switches using resonant nonlinearities. We observe significant thermal effects in transition metal-doped silica fibers. We determine that sub-microsecond(s) switching using a resonant nonlinear effect in a conventional switch architecture requires dopant oscillator strengths of 3.6 10-3 or greater when nonradiative processes are the predominant decay mechanism.

Paper Details

Date Published: 21 December 1998
PDF: 9 pages
Proc. SPIE 3542, Doped Fiber Devices II, (21 December 1998); doi: 10.1117/12.333760
Show Author Affiliations
Monica K. Davis, Stanford Univ. (United States)
Michel J. F. Digonnet, Stanford Univ. (United States)

Published in SPIE Proceedings Vol. 3542:
Doped Fiber Devices II
Michel J. F. Digonnet; Francois Ouellette, Editor(s)

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