Optical diffraction-free patterns induced by a discrete translational transport

Year: 1998

Authors: Ramazza P.L., Ducci S., Arecchi F.T.

Autors Affiliation: Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy and INFM, Unità di Firenze;
Department of Physics, University of Firenze, 50125 Firenze, Italy

Abstract: We report the formation of spatial structures induced by a spatial offset in a two-dimensional nonlinear optical interferometer in which diffractive effects are absent. The observed patterns arise from the destabilization of wide, continuous bands in the Fourier spectrum. The selection of these bands is shown to be determined by the interplay between the amount of spatial offset and the strength of the diffusion in the nonlinear optical material.

Journal/Review: PHYSICAL REVIEW LETTERS

Volume: 81 (19)      Pages from: 4128  to: 4131

KeyWords: NONLINEAR OPTICS; FEEDBACK MIRROR; FLOW
DOI: 10.1103/PhysRevLett.81.4128

Citations: 30
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