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We propose a valuable fabrication path enabling the realization of metallo-dielectric nanostructures directly on the facet of standard single-mode fibers, that involves conventional nanoscale deposition and patterning tools typically exploited for planar devices and here properly adapted to enable direct in-fiber operations. To prove the effectiveness of the proposed technological path, we report the realization of a first technological platform based on hybrid metallo-dielectric crystal able to support local surface plasmon resonances, and explore its potential for chemical and biological sensing as well as for acoustic wave detection.

nanophotonics; plasmonics;