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Power-dependent attenuation of TE waves propagating in optical nonlinear waveguiding structures

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5 Author(s)
Jakubczyk, Z. ; Départment de Physique, Laboratoire de Recherches en optique et laser, Université Laval, Sainte-Foy P.Q., Canada ; Jerominek, Hubert ; Patela, S. ; Tremblay, R.
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Some aspects of the power-dependent attenuation of TE waves guided by structures consisting of an optical linear thin film (Corning 7059 glass) deposited onto the surface of a substrate (glass doped with CdSxSe1-xsemiconductor) exhibiting both positive and negative nonlinearities at two different wavelengths are studied numerically. It is shown that even a weak attenuation will strongly affect effective refractive index, phase, and field distribution of the guided wave. Depending on the sign of nonlinearity, the propagated wave will progressively shift into or out of the substrate for positive and negative nonlinearity, respectively.

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Quantum Electronics, IEEE Journal of  (Volume:23 ,  Issue: 11 )