Phase locking in nonlinear optical patterns

Year: 1997

Authors: Pampaloni E., Residori S., Soria S., Arecchi F.T.

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

Abstract: We report a new type of optical patterns induced by phase locking of several wave vectors with different lengths and orientations. Wave vector selection is due to the optical nonlinearity provided by a Kerr-like medium. The system displays pattern multistability. We characterize the different configurations by the distribution of wave vector families in Fourier space. Even close to threshold, the strong coupling among families yields a collective behavior without critical slowing down, at variance with the isolated behavior of each separate family.


Volume: 78 (6)      Pages from: 1042  to: 1045

DOI: 10.1103/PhysRevLett.78.1042

Citations: 61
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