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Optimized design of metal-coated optical fiber tips with embedded plasmonic slot nano-resonators for maximum field enhancement

Optimized design of metal-coated optical fiber tips with embedded plasmonic slot nano-resonators for maximum field enhancement
Optimized design of metal-coated optical fiber tips with embedded plasmonic slot nano-resonators for maximum field enhancement
The integration of Plasmonic Nano-Resonators (PNRs) to optical fibers tips with thin metallic claddings forming plasmonic slot nano-resonators (PSNRs) is presented. It is shown that the placement of the PSNR at the cut-off radius of the fiber tip for a specific wavelength where the group velocity tends to zero and light slows down leads to an optimization of field's enhancement. Enhancement factors greater than 3x105 were calculated through Finite Element Method (FEM) simulations by placing the PSNR at the cut-off radius and by changing the geometrical characteristics in order to identify optimal conditions for loss minimization that can find many practical applications in nano-optics and sensing.
0277-786X
Petropoulou, A.
d6998468-ed8f-4397-869d-68c57b9919de
Zervas, M.N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Riziotis, C.
a2037f27-c711-46c3-bec4-2293fca6f0e0
Petropoulou, A.
d6998468-ed8f-4397-869d-68c57b9919de
Zervas, M.N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Riziotis, C.
a2037f27-c711-46c3-bec4-2293fca6f0e0

Petropoulou, A., Zervas, M.N. and Riziotis, C. (2016) Optimized design of metal-coated optical fiber tips with embedded plasmonic slot nano-resonators for maximum field enhancement. Proceedings of SPIE, 10027. (doi:10.1117/12.2246496).

Record type: Article

Abstract

The integration of Plasmonic Nano-Resonators (PNRs) to optical fibers tips with thin metallic claddings forming plasmonic slot nano-resonators (PSNRs) is presented. It is shown that the placement of the PSNR at the cut-off radius of the fiber tip for a specific wavelength where the group velocity tends to zero and light slows down leads to an optimization of field's enhancement. Enhancement factors greater than 3x105 were calculated through Finite Element Method (FEM) simulations by placing the PSNR at the cut-off radius and by changing the geometrical characteristics in order to identify optimal conditions for loss minimization that can find many practical applications in nano-optics and sensing.

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Optimized design of metal-coated optical fiber tips - Accepted Manuscript
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Accepted/In Press date: 15 July 2016
Published date: 4 November 2016
Additional Information: Post-deadline 10027
Venue - Dates: Conference on NanoPhotonics and Micro/Nano Optics III, , Beijing PRC, 2016-10-12 - 2016-10-14

Identifiers

Local EPrints ID: 442470
URI: http://eprints.soton.ac.uk/id/eprint/442470
ISSN: 0277-786X
PURE UUID: 30baca0c-5754-4f4b-a62f-f0e536c4147d
ORCID for M.N. Zervas: ORCID iD orcid.org/0000-0002-0651-4059

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Date deposited: 16 Jul 2020 16:30
Last modified: 09 Jan 2022 02:41

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Contributors

Author: A. Petropoulou
Author: M.N. Zervas ORCID iD
Author: C. Riziotis

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