Cavity Resonator Integrated Grating Filters fabricated by soft-mold nanoimprint lithography
Résumé
Cavity Resonator Integrated Filers are a novel generation of free space filters that rely on efficient coupling of a free space beam to a localized mode. We introduce the physical principles underlying their optical properties, and show that soft mold nanoimprint lithography is particularly adapted for their fabrication. We experimentally demonstrate high efficiency (50%) narrow band (300 pm) filters at 850 nm wavelength.
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