Optical fiber meta-tips

Light, Science & Applications
Maria PrincipeAndrea Cusano

Abstract

We report on the first demonstration of a proof-of-principle optical fiber 'meta-tip', which integrates a phase-gradient plasmonic metasurface on the fiber tip. For illustration and validation purposes, we present numerical and experimental results pertaining to various prototypes implementing generalized forms of the Snell's transmission/reflection laws at near-infrared wavelengths. In particular, we demonstrate several examples of beam steering and coupling with surface waves, in fairly good agreement with theory. Our results constitute a first step toward the integration of unprecedented (metasurface-enabled) light-manipulation capabilities in optical-fiber technology. By further enriching the emergent 'lab-on-fiber' framework, this may pave the way for the widespread diffusion of optical metasurfaces in real-world applications to communications, signal processing, imaging and sensing.

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Citations

Jan 14, 2018·Nature Communications·Angelos XomalisNikolay I Zheludev
Nov 13, 2018·Light, Science & Applications·Sajan ShresthaNanfang Yu
Apr 1, 2020·Nanoscale·Qi Wang, Lei Wang
Nov 2, 2017·Scientific Reports·A AlibertiA Cusano
Jun 6, 2019·Optics Express·Jamal M Ehtaiba, Reuven Gordon
Dec 3, 2020·Scientific Reports·Myunghwan Kim, Soeun Kim
Dec 31, 2020·Micromachines·Mariachiara ManoccioVittorianna Tasco
Aug 14, 2021·Nanotechnology·Karen SloyanAmal Al Ghaferi
Feb 10, 2021··Francesco BaldiniIgnacio R. Matias
Apr 23, 2017··Alessio CrescitelliAntonello Cutolo

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Methods Mentioned

BETA
biosensing

Software Mentioned

COMSOL Multiphysics

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