Dispersion properties of silicon and silica photonic nanowires for nonlinear applications

Rostami, A.,Shafiei, S.Y.,Aghdam, F.A.,Faeghi, P.

Photonics（2012）

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摘要

Dispersion properties of air-clad and silica-coated silicon photonic wires for nonlinear applications are investigated with exact solutions of Maxwell's equations. We show that the GVD of silicon nanowires can be tailored for different wavelengths in the infrared region of the spectrum. In comparison, air-clad silica tapered fibers require diameters of several micrometers in order to extend the zero dispersion points to the infrared wavelengths. By immersing silica wires in liquid we can obtain a minimum and flat GVD region in the infrared.

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关键词

maxwell equations,elemental semiconductors,infrared spectra,nanophotonics,nanowires,nonlinear optics,optical fibre cladding,optical fibre dispersion,silicon,silicon compounds,si,si-sio2,air-clad silica tapered fibers,air-clad silicon photonic nanowire,dispersion properties,flat gvd region,infrared spectrum,infrared wavelengths,nonlinear applications,silica-coated silicon photonic nanowire,zero dispersion points,optical waveguides

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