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Linewidth-adjustable bandpass filter based on silicon cladding-modulated waveguide moiré Bragg gratings

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Abstract

We demonstrate linewidth-adjustable (0-1 nm) narrow bandpass filters using silicon cladding-modulated waveguide moiré Bragg gratings. The passband linewidth is controlled by the number of crossovers and the corrugation width of the moiré grating.

© 2018 The Author(s)

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