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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 16, Iss. 5 — May. 1, 1999
  • pp: 774–780

Phase sensitivity of a nonlinear Bragg grating response under bidirectional illumination

Yu. A. Logvin and V. M. Volkov  »View Author Affiliations


JOSA B, Vol. 16, Issue 5, pp. 774-780 (1999)
http://dx.doi.org/10.1364/JOSAB.16.000774


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Abstract

The response of a nonlinear Bragg grating under bidirectional illumination is studied. By analytical and numerical techniques it is found that the threshold for bistability, pulsation development, and spatial transverse instability is strongly influenced by the phase difference between fields incident from opposite directions. Breakup of pulsations that are symmetrical for both directions into nonsymmetrical pulsations is demonstrated. Solutions for focusing and defocusing nonlinearities are found to be related by means of changes in phase of the incident wave. A change of phase of π may lead to the emergence of a regular spatiotemporal light structure or may cause a transverse static pattern to become turbulent.

© 1999 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(190.1450) Nonlinear optics : Bistability
(190.3100) Nonlinear optics : Instabilities and chaos

Citation
Yu. A. Logvin and V. M. Volkov, "Phase sensitivity of a nonlinear Bragg grating response under bidirectional illumination," J. Opt. Soc. Am. B 16, 774-780 (1999)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-16-5-774

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