Theoretical and experimental characterization of thermal effects in doped fibers

Monica K. Davis; Michel J. F. Digonnet

doi:10.1117/12.333760

21 December 1998 Theoretical and experimental characterization of thermal effects in doped fibers

Monica K. Davis, Michel J. F. Digonnet

Author Affiliations +

Proceedings Volume 3542, Doped Fiber Devices II; (1998) https://doi.org/10.1117/12.333760
Event: Photonics East (ISAM, VVDC, IEMB), 1998, Boston, MA, United States

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.

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Monica K. Davis and Michel J. F. Digonnet "Theoretical and experimental characterization of thermal effects in doped fibers", Proc. SPIE 3542, Doped Fiber Devices II, (21 December 1998); https://doi.org/10.1117/12.333760

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