We have systematically studied Bragg-grating filters in Si photonic-wire waveguides. We found an abnormal localized optical mode on the numerical calculations and verified it on the experimental measurements. This phenomenon originates from high index-contrast between the waveguide materials. Zero photonic band-gap structure was experimentally realized at transition structure of abnormal localized optical mode in 1-D photonic crystal.
Zero photonic band-gap structure in Si photonic-wire Bragg-grating
2011-09-01
297726 byte
Conference paper
Electronic Resource
English
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