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Accurate analysis and modeling of laminated multilayered 3-D optical waveguides

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3 Author(s)
Massaro, A. ; Dipt. di Elettromagnetismo e Bioingegneria, Univ. Politecnica delle Marche, Ancona, Italy ; Pierantoni, L. ; Rozzi, T.

The theoretical investigation of waveguides having nonuniform cross-sections is an attractive and challenging problem which deserves serious interest. In this paper, we present a novel analysis of laminated multilayered three-dimensional waveguide, based on two modes: 1) a new coupled transmission line approach that considers the sloping of the layers along the longitudinal direction and 2) a transmission line matrix integral equation (TLMIE) modeling that complete and extends the investigation of the field propagation. In method 1), we neglect radiation modes and their EM coupling. All physical effects instead are accounted for by the full-wave TLMIE method. By using TLMIE, we validate the EM analysis and calculate TE/TM losses, arising from radiation modes.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:40 ,  Issue: 10 )