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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 22, Iss. 7 — Jul. 1, 2005
  • pp: 1349–1355

Grating-mediated wave guiding and holographic solitons

Barak Freedman, Oren Cohen, Ofer Manela, Mordechai Segev, Jason W. Fleischer, and Demetrios N. Christodoulides  »View Author Affiliations


JOSA B, Vol. 22, Issue 7, pp. 1349-1355 (2005)
http://dx.doi.org/10.1364/JOSAB.22.001349


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Abstract

We describe experimental and theoretical results of research on a new type of waveguide, the so-called grating-mediated waveguide (GMW) recently reported by our group. This waveguide structure relies on Bragg diffractions from a 1D grating giving rise to wave guiding in the direction normal to the grating wave vector. The structure consists of a shallow 1D grating having a bell- or trough-shaped amplitude in the confinement direction. We provide the theoretical analysis of the underlying wave-guiding mechanism along with experimental evidence for both the bell- and the trough-shaped waveguides. We investigate the robustness of grating-mediated wave guiding and suggest more elaborate, 2D structures, such as a GMW superlattice and a grating-mediated ring waveguide. Finally we discuss the relation between grating-mediated wave guiding and holographic solitons, which are the beams that are self-trapped solely by virtue of their jointly induced grating.

© 2005 Optical Society of America

OCIS Codes
(090.7330) Holography : Volume gratings
(190.5330) Nonlinear optics : Photorefractive optics
(230.7370) Optical devices : Waveguides

Citation
Barak Freedman, Oren Cohen, Ofer Manela, Mordechai Segev, Jason W. Fleischer, and Demetrios N. Christodoulides, "Grating-mediated wave guiding and holographic solitons," J. Opt. Soc. Am. B 22, 1349-1355 (2005)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-22-7-1349

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