Spatial subharmonics in photorefractive crystals
BI Sturman, A Bledowski, J Otten, KH Ringhofer - JOSA B, 1992 - opg.optica.org
BI Sturman, A Bledowski, J Otten, KH Ringhofer
JOSA B, 1992•opg.optica.orgWe show analytically and numerically that the refractive-index gratings produced by the
photorefractive effect need not be of the same periodicity as the driving light intensity. Even
the simplest model containing the lowest-order Fourier components predicts period doubling
and instability.
photorefractive effect need not be of the same periodicity as the driving light intensity. Even
the simplest model containing the lowest-order Fourier components predicts period doubling
and instability.
We show analytically and numerically that the refractive-index gratings produced by the photorefractive effect need not be of the same periodicity as the driving light intensity. Even the simplest model containing the lowest-order Fourier components predicts period doubling and instability.
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