Crosstalk Reduction in Square Cavities

Theoretically and experimentally, we demonstrate that low crosstalk between two crossed line-defect waveguides formed in a square lattice photonic crystal (PC) structure can be achieved using a resonant cavity at the intersection area. The PC resonator consists of cubic air-holes in silicon air-hole...

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Published in:IEEE photonics journal 2009-09, Vol.1 (3), p.191-196
Main Authors: Wahsheh, R.A., Zhaolin Lu, Abushagur, M.A.G.
Format: Article
Language:English
Subjects:
Crosstalk
Holes
Lattices
Noise levels
Optical resonators
Optical scattering
Optical waveguide theory
Optical waveguides
Photonic crystals
Polycarbonates
Q factor
Resonators
Silicon
Telecommunications
Waveguides
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description Theoretically and experimentally, we demonstrate that low crosstalk between two crossed line-defect waveguides formed in a square lattice photonic crystal (PC) structure can be achieved using a resonant cavity at the intersection area. The PC resonator consists of cubic air-holes in silicon air-holes. The Q-factor of the cavity can be changed by increasing the number of holes that form the cavity. The theoretical and experimental crosstalk results are about -40 dB and -20 dB, respectively.
doi_str_mv 10.1109/JPHOT.2009.2031621
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subjects Crosstalk
Holes
Lattices
Noise levels
Optical resonators
Optical scattering
Optical waveguide theory
Optical waveguides
Photonic crystals
Polycarbonates
Q factor
Resonators
Silicon
Telecommunications
Waveguides
title Crosstalk Reduction in Square Cavities
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