Observation of angularly tilted subharmonic gratings in photorefractive bismuth silicon oxide

A new subharmonic regime in photorefractive bismuth silicon oxide has been discovered by the use of the running-grating technique. In this regime the subharmonic grating splits into two gratings that are angularly tilted with respect to the fundamental grating. These observations necessitate an exte...

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Bibliographic Details
Published in:Optics letters 1994-09, Vol.19 (18), p.1418-1420
Main Authors: Pedersen, H C, Johansen, P M
Format: Article
Language:English
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Summary:A new subharmonic regime in photorefractive bismuth silicon oxide has been discovered by the use of the running-grating technique. In this regime the subharmonic grating splits into two gratings that are angularly tilted with respect to the fundamental grating. These observations necessitate an extension of previously proposed theories.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.19.001418