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In-line polarizers and filters made of metal-coated tapered fibers: resonant excitation of hybrid plasma modes

In-line polarizers and filters made of metal-coated tapered fibers: resonant excitation of hybrid plasma modes
In-line polarizers and filters made of metal-coated tapered fibers: resonant excitation of hybrid plasma modes
In-line single-mode-fiber (SMF) filters and polarizers require the interaction of electric fields which, in principle, are essentially confined to the fiber core. The reduction of the core and cladding diameters in a tapered fiber cause the evanescent field to extend beyond the outer boundary. Thus, when a metal film is evaporated on a tapered fiber, the surface plasma modes cause coupling to the fiber mode. Our experimental and theoretical results demonstrate that such coupling leads to the resonant excitation of surface plasma modes and allows for the design of filters, polarizers, and sensors.
1041-1135
833-835
Diez, A.
028bdf73-19f1-4bf1-b98b-1e6a2bfe1e4b
Andres, M.V.
d2fb0469-bfcd-4cfb-aee2-c12fcc2888a6
Culverhouse, D.O.
d437089f-b550-4144-853b-021718ad8275
Diez, A.
028bdf73-19f1-4bf1-b98b-1e6a2bfe1e4b
Andres, M.V.
d2fb0469-bfcd-4cfb-aee2-c12fcc2888a6
Culverhouse, D.O.
d437089f-b550-4144-853b-021718ad8275

Diez, A., Andres, M.V. and Culverhouse, D.O. (1998) In-line polarizers and filters made of metal-coated tapered fibers: resonant excitation of hybrid plasma modes. IEEE Photonics Technology Letters, 10 (6), 833-835. (doi:10.1109/68.681501).

Record type: Article

Abstract

In-line single-mode-fiber (SMF) filters and polarizers require the interaction of electric fields which, in principle, are essentially confined to the fiber core. The reduction of the core and cladding diameters in a tapered fiber cause the evanescent field to extend beyond the outer boundary. Thus, when a metal film is evaporated on a tapered fiber, the surface plasma modes cause coupling to the fiber mode. Our experimental and theoretical results demonstrate that such coupling leads to the resonant excitation of surface plasma modes and allows for the design of filters, polarizers, and sensors.

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Published date: 1998

Identifiers

Local EPrints ID: 77867
URI: https://eprints.soton.ac.uk/id/eprint/77867
ISSN: 1041-1135
PURE UUID: f7776677-1a99-4625-b82d-9f4a05eed0f3

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Date deposited: 11 Mar 2010
Last modified: 17 Jul 2019 00:13

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