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22 December 2015 Mid-infrared silicon pillar waveguides
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Abstract
In this work silicon pillar waveguides have been proposed to exploit the entire transparent window of silicon. These geometries posses a broad and at dispersion (from 2 to 6 μm) with four zero dispersion wavelengths. We calculate supercontinuum generation spanning over two octaves (2 to >8 μm) with long wavelengths interacting weakly with the lossy substrate. These structures have higher mode confinement in the silicon - away from the substrate, which makes them substrate independent and are promising for exploring new nonlinear phenomena and highly sensitive molecular sensing over the entire silicon's transparency range
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Neetesh Singh, Darren D. Hudson, and Benjamin J. Eggleton "Mid-infrared silicon pillar waveguides", Proc. SPIE 9668, Micro+Nano Materials, Devices, and Systems, 96680I (22 December 2015); https://doi.org/10.1117/12.2202397
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