Enhancement of χ(2) cascading processes in one-dimensional photonic bandgap structures
Optics Letters, Vol. 24, Issue 23, pp. 1663-1665 (1999)
http://dx.doi.org/10.1364/OL.24.001663
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Abstract
We theoretically analyze the nonlinear phase shifts induced by cascaded χ(2):χ(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 π over a distance of 7μm , with input intensities of the order of only 10 MW/cm2.
© 1999 Optical Society of America
OCIS Codes
(050.5080) Diffraction and gratings : Phase shift
(060.5060) Fiber optics and optical communications : Phase modulation
(070.4340) Fourier optics and signal processing : Nonlinear optical signal processing
(190.0190) Nonlinear optics : Nonlinear optics
Citation
G. D'Aguanno, M. Centini, C. Sibilia, M. Bertolotti, M. Scalora, M. J. Bloemer, and C. M. Bowden, "Enhancement of χ(2) cascading processes in one-dimensional photonic bandgap structures," Opt. Lett. 24, 1663-1665 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-23-1663
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