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Enhancement of ?^(2) cascading processes in one-dimensional photonic bandgap structures
Author(s) -
Giuseppe D’Aguanno,
Marco Centini,
C. Sibilia,
M. Bertolotti,
M. Scalora,
Mark J. Bloemer,
C. M. Bowden
Publication year - 1999
Publication title -
optics letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.524
H-Index - 272
eISSN - 1071-2763
pISSN - 0146-9592
DOI - 10.1364/ol.24.001663
Subject(s) - optics , photonic crystal , band gap , phase (matter) , photonics , physics , relative phase , transmission (telecommunications) , field (mathematics) , nonlinear optics , refractive index , optoelectronics , materials science , telecommunications , laser , mathematics , quantum mechanics , computer science , pure mathematics
We theoretically analyze the nonlinear phase shifts induced by cascaded chi((2)):chi((2)) processes in one-dimensional photonic bandgap structures. We find that the enhancement of the density of modes near the band edge, coupled with a suitable choice of relative phase mismatch, leads to a remarkable new effect: The relative phase shift of the fundamental field on transmission can be of the order of pi over a distance of 7mum , with input intensities of the order of only 10 MW/cm(2).

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