NDLI: Disorder-Induced Losses in Photonic Crystal Slabs

Content Provider	IEEE Xplore Digital Library
Author	Andreani, L.C. Gerace, D.
Copyright Year	2006
Description	Author affiliation: Dept. of Phys., Pavia Univ. (Andreani, L.C.; Gerace, D.)
Abstract	Recent results of a theoretical treatment of disorder-induced losses in photonic crystal (PhC) slabs are presented. The formalism is based on a guided-mode expansion method with a perturbative treatment of coupling to leaky PhC modes. Propagation losses are calculated for line-defect waveguides in PhC slabs defined in a high-index membrane, in particular for W1 and W1.5 waveguides in the triangular lattice, within a size-disorder model. The effects of backscattering into the counter-propagating mode are treated. Local modifications of the electromagnetic field induced by disorder (i.e., disorder-induced local-field effects) are evaluated and are found to be small for the considered systems. The results confirm that the W1.5 waveguide with increased channel width has strongly reduced losses as compared to the standard W1 waveguide geometry
Starting Page	1
Ending Page	4
File Size	204517
Page Count	4
File Format	PDF
ISBN	1424402352
DOI	10.1109/ICTON.2006.248309
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-06-18
Publisher Place	UK
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical losses Photonic crystals Slabs Electromagnetic waveguides Waveguide components Propagation losses Biomembranes Lattices Backscatter Electromagnetic fields
Content Type	Text
Resource Type	Article

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