Theory Of Operation Of Three- And Four-Level Fiber Amplifiers And Sources

M. J. F. Digonnet

doi:10.1117/12.963135

15 February 1990 Theory Of Operation Of Three- And Four-Level Fiber Amplifiers And Sources

M. J. F. Digonnet

Proceedings Volume 1171, Fiber Laser Sources and Amplifiers; (1990) https://doi.org/10.1117/12.963135
Event: OE/FIBERS '89, 1989, Boston, United States

Abstract

We review theoretical models of fiber amplifiers, resonant fiber lasers and superfluorescent fiber lasers made of a single mode laser fiber, for example a silica fiber doped with a rare earth laser ion. The quantities which are investigated are the optical gain, the threshold and conversion efficiency in fiber sources, and the spectral narrowing in superfluorescent sources. These models take into account the nature of the laser transition (i.e. 3- or 4-level), the potential presence of pump ESA, and the guided nature of the pump and signal waves interacting along the fiber. The emphasis is placed on the development of simple, closed-form expressions for these quantities.

Citation Download Citation

M. J. F. Digonnet "Theory Of Operation Of Three- And Four-Level Fiber Amplifiers And Sources", Proc. SPIE 1171, Fiber Laser Sources and Amplifiers, (15 February 1990); https://doi.org/10.1117/12.963135

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