An accurate envelope equation for light propagation in photonic nanowires: new nonlinear effects

Details An accurate envelope equation for light propagation in photonic nanowires: new nonlinear effects An accurate envelope equation for light propagation in photonic nanowires: new nonlinear effects

2009-08-06

arxiv.org/abs/0908.0873v2

Physics

Optics

5 figures. The normalization of the fields is now more appropriate (orthonormal). Figure concerning dispersion of gamma0 has b

Scientific paper

We derive a new unidirectional evolution equation for photonic nanowires made of silica. Contrary to previous approaches, our formulation simultaneously takes into account both the vector nature of the electromagnetic field and the full variations of the effective modal profiles with wavelength. This leads to the discovery of new, previously unexplored nonlinear effects which have the potential to affect soliton propagation considerably. We specialize our theoretical considerations to the case of perfectly circular silica strands in air, and we support our analysis with detailed numerical simulations.

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