Open AccessModeling of holographic gratings in gradedindex photorefractive planar waveguides
Author(s) -
Vittorio M. N. Passaro,
Daniele Marseglia
Publication year - 2002
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.10.001133
Subject(s) - photorefractive effect , optics , lithium niobate , holography , planar , materials science , refractive index , diffraction efficiency , optoelectronics , physics , computer graphics (images) , computer science
A numerical model is presented for the evaluation of the dielectric permittivity tensor changes as induced by guided modes during the formation of holographic gratings in arbitrary photorefractive graded-index planar waveguides. Comparisons among lithium niobate waveguides with different cuts and technology are shown.
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