Slow light miniature devices with ultra-flattened dispersion in silicon-on-insulator photonic crystal

We propose a silicon-on-insulator (SOI) photonic crystal waveguide within a hexagonal lattice of elliptical air holes for slow light propagation with group velocity in the range 0.0028c to 0.044c and ultra-flattened group velocity dispersion (GVD). The proposed structure is also investigated for its...

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Bibliographic Details
Published in:Optics express 2009-08, Vol.17 (16), p.13315-13325
Main Authors: Rawal, Swati, Sinha, Ravindra, De La Rue, Richard M
Format: Article
Language:English
Subjects:
Computer Simulation
Computer-Aided Design
Electric Conductivity
Equipment Design
Equipment Failure Analysis
Light
Manufactured Materials
Miniaturization
Models, Theoretical
Optical Devices
Photons
Scattering, Radiation
Silicon - chemistry
Surface Properties
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Summary:We propose a silicon-on-insulator (SOI) photonic crystal waveguide within a hexagonal lattice of elliptical air holes for slow light propagation with group velocity in the range 0.0028c to 0.044c and ultra-flattened group velocity dispersion (GVD). The proposed structure is also investigated for its application as an optical buffer with a large value of normalized delay bandwidth product (DBP), equal to 0.778. Furthermore it is shown that the proposed structure can also be used for time or wavelength-division demultiplexing to separate two telecom wavelengths, 1.31 microm and 1.55 microm, on a useful time-scale and with minimal distortion.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.17.013315