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Proceedings Paper

Dynamics of self-organized x(2) gratings in optical fibers
Author(s): Avais Kamal; Robert W. Terhune; Doreen A. Weinberger
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Paper Abstract

In this paper we report experiments on the dynamic of self-organized (chi)(2) gratings. An important observation is that the initial growth rate of (chi)(2) gratings is always linear in time. A fast transient and slow fluctuations are also observed in certain cases. The initial growth rate of the grating amplitude as a function of the irradiances of the seeding fundamental ((omega)) and second harmonic (2(omega)) beams was measured and was determined to have a power dependence on I(2(omega)) of exponent 1.48 +/- 0.2, and on I((omega)) of 0.9 +/- 0.2. A model based on selective ionization of dipolar defects due to an interference between two-photon and three-photon processes has been explored in the context of these results.

Paper Details

Date Published: 30 December 1991
PDF: 17 pages
Proc. SPIE 1516, International Workshop on Photoinduced Self-Organization Effects in Optical Fiber, (30 December 1991);
Show Author Affiliations
Avais Kamal, Univ. of Michigan (United States)
Robert W. Terhune, Univ. of Michigan (United States)
Doreen A. Weinberger, Univ. of Michigan (United States)

Published in SPIE Proceedings Vol. 1516:
International Workshop on Photoinduced Self-Organization Effects in Optical Fiber
Francois Ouellette, Editor(s)

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