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Spatial Harmonics analysis of Deep Waveguide Bragg Gratings

By F. Fogli, Gaetano Bellanca, P. Aschieri, M. DE MICHELI and P. Bassi

Abstract

The spectral properties of a single-mode planar deep waveguide Bragg grating (DWBG) operating on the first diffraction order are investigated by a spatial harmonics theoretical approach. This analytical method allows us to evaluate the most important features of the propagating fields. In particular, the slowdown of the group electromagnetic propagation near the photonic band-edges is accurately modelled with a minimal computational effort, which makes this tool useful for preliminary analysis of periodic waveguides

Topics: integrated optics, periodic waveguides, deep waveguide gratings, spatial harmonics, planar waveguides
Year: 2004
DOI identifier: 10.1088/1464-4258
OAI identifier: oai:iris.unife.it:11392/1196712
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