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Plasmonic stripes integrated in a silicon nitride Mach Zehnder Interferometer for high sensitivity refractometric sensors

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Abstract

We demonstrate an interferometric plasmo-photonic sensor based on Si3N4 photonic waveguides and gold Surface Plasmon Polariton waveguides. The proposed approach exhibits bulk sensitivity up to 1930 nm/RIU, holding promise for compact and ultra-sensitive interferometric sensing devices.

© 2019 The Author(s)

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