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Proceedings Paper

Nonlinear Degenerate Four-Wave Mixing In A Birefringent Optical Fiber: Phase Conjugation And Spatial Instabilities
Author(s): S. Trillo; S. Wabnitz; B. Crosignani; P. Di Porto
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Paper Abstract

We investigate the phase-conjugated signal reflectivity and conjugation fidelity in the degenerate four-wave mixing process in a monomode birefringent optical fiber, in the nonlinear (depleted pumps) regime. Exact solutions are displayed for linearly polarized beams in a high-birefringence fiber, whereas for a low-birefringence fiber similar results hold for a scheme employing circular polarizations. The reflectivity is found to exhibit multistable isolated branches of solutions, and the deterioration of ideal phase conjugation condition are discussed. Whenever the birefringence gives phase shifts comparable to the nonlinear ones, spatial instabilities may originate chaotic power exchange between the waves. The scale of length and the powers required for the observation of the instability are estimated.

Paper Details

Date Published: 22 April 1988
PDF: 11 pages
Proc. SPIE 0739, Phase Conjugation, Beam Combining, and Diagnostics, (22 April 1988); doi: 10.1117/12.939696
Show Author Affiliations
S. Trillo, Fondazione Ugo Bordoni (Italy)
S. Wabnitz, Fondazione Ugo Bordoni (Italy)
B. Crosignani, University dell' Aquila (Italy)
P. Di Porto, University dell' Aquila (Italy)


Published in SPIE Proceedings Vol. 0739:
Phase Conjugation, Beam Combining, and Diagnostics
Ira Abramowitz; Robert A. Fisher, Editor(s)

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