Silicon waveguides are now widely used to guide radiation in the near-infrared, mainly in the wavelength range of 1.1 – 2.2 µm. Here we show that single-mode integrated silicon-on-sapphire waveguides can be used at mid-infrared wavelengths.

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Feb 7, 2013 Integrated high-quality factor silicon-on-sapphire ring resonators for the mid-infrared The plasmonic J-pole antenna Efficient coupler between silicon photonic and metal-insulator-silicon-metal plasmonic waveguides. A study of the phase center position of dielectric rod waveguide (DRW) antennas (silicon and sapphire) for different millimeter-wave (mm-wave) frequencies. Silicon-on-sapphire waveguides design for mid-IR evanescent field absorption Si 3 N 4 optical leaky wave antennas with semiconductor perturbations at near Abstract: Based on high permittivity dielectric materials, silicon and sapphire, antennas Dielectric rod waveguide (DRW) antennas are travelling wave type ofSilicon on sapphire (SOS) is a hetero-epitaxial process for integrated circuit manufacturing that consists of a thin layer (typically thinner than 0.6 µm) of silicon grown on a sapphire (Al2O3) wafer. An example is [8] where silicon on sapphire waveguides for CO 2 sensing were . Experimental demonstration of directive Si3N4 optical leaky wave antenna