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11 September 2013 Engineered SOI slot photonic crystal waveguides
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Abstract
We report slow light measurements in hollow core photonic crystal waveguides. We show that reshaping the slot into a comb allows increasing the confinement of light and engineering the dispersion of the waveguides. Cut-back measurements in such waveguides exhibits losses that are comparable to those of standard W1 photonic crystal waveguides in slow light regime and to those of a refractive slot waveguides in fast light regime, meanwhile the nonlinear effective area and the modal volume are strongly reduced. Such hollow core waveguides can introduce new functionalities to silicon and ultra-high nonlinearities when infiltrated by adequate materials.
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Charles Caer, Xavier Le Roux, Laurent Vivien, and Eric Cassan "Engineered SOI slot photonic crystal waveguides", Proc. SPIE 8808, Active Photonic Materials V, 880819 (11 September 2013); https://doi.org/10.1117/12.2024243
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