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Proceedings Paper

Theory of phase-locking of multi-stable fiber amplifier arrays
Author(s): Erik J. Bochove; Mohammad R. Zunoubi; Christopher J. Corcoran
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Paper Abstract

We solve the time-independent (o.d.e.) propagation equations for the c.w. operation of an array of externally coupled fiber amplifiers with internal reflection, in which Kerr and resonant nonlinearities play a part. A transcendental equation for each amplifier is obtained, collectively yielding multiple distinct array solutions, which are characterized in terms of their mutual phase coherence. We find that the two types of nonlinearity (Kerr and resonant) affect the solutions in distinct parameter regimes. The relation of Strehl ratio to output power at fixed wavelength and feedback level reveals that phase-locking may occur due to nonlinearity as opposed to mode selection, in accordance with recent experiments (H-S Chiang, J.R. Leger, J. Nilsson and J. Sahu, Optics Letters (2013)). The individual lasing instability (“rogue” lasing) anticipated by A.E. Siegman in 2004 we observed only at low feedback levels in a small number of cases.

Paper Details

Date Published: 14 November 2013
PDF: 7 pages
Proc. SPIE 8885, Laser-Induced Damage in Optical Materials: 2013, 888515 (14 November 2013); doi: 10.1117/12.2031605
Show Author Affiliations
Erik J. Bochove, Air Force Research Lab. (United States)
Mohammad R. Zunoubi, State Univ. of New York at New Paltz (United States)
Christopher J. Corcoran, Corcoran Engineering, Inc. (United States)

Published in SPIE Proceedings Vol. 8885:
Laser-Induced Damage in Optical Materials: 2013
Gregory J. Exarhos; Vitaly E. Gruzdev; Joseph A. Menapace; Detlev Ristau; MJ Soileau, Editor(s)

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