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Efficient light confinement to λ/10 spot sizes in optical fibre

Efficient light confinement to λ/10 spot sizes in optical fibre
Efficient light confinement to λ/10 spot sizes in optical fibre
Light confinement beyond the diffraction limit has been achieved in optical fibre tips. We successfully fabricated a gold-coated optical fibre tip with wedge-shaped apex for the efficient excitation of surface plasmon polaritons (SPPs). An improved transmissivity higher than 10-2 and spot sizes of the order of λ/10 have been obtained by optimizing the overall light throughput along the fibre tip.
Ding, M.
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Ou, J.Y.
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Sessions, Neil
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Jung, Y.
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Brambilla, G.
815d9712-62c7-47d1-8860-9451a363a6c8
Ding, M.
086b25a3-e5c3-4501-a90d-43d734e19344
Ou, J.Y.
3fb703e3-b222-46d2-b4ee-75f296d9d64d
Sessions, Neil
ee737092-56b4-403e-a2f9-764e07e42625
Jung, Y.
6685e51e-be47-4c96-8c4b-65aee3b5126d
Brambilla, G.
815d9712-62c7-47d1-8860-9451a363a6c8

Ding, M., Ou, J.Y., Sessions, Neil, Jung, Y. and Brambilla, G. (2010) Efficient light confinement to λ/10 spot sizes in optical fibre. ICOCN 2010: 9th International Conference on Optical Communications and Networks, Nanjing, China. 23 - 26 Oct 2010.

Record type: Conference or Workshop Item (Paper)

Abstract

Light confinement beyond the diffraction limit has been achieved in optical fibre tips. We successfully fabricated a gold-coated optical fibre tip with wedge-shaped apex for the efficient excitation of surface plasmon polaritons (SPPs). An improved transmissivity higher than 10-2 and spot sizes of the order of λ/10 have been obtained by optimizing the overall light throughput along the fibre tip.

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More information

e-pub ahead of print date: 2010
Venue - Dates: ICOCN 2010: 9th International Conference on Optical Communications and Networks, Nanjing, China, 2010-10-23 - 2010-10-26
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 206083
URI: http://eprints.soton.ac.uk/id/eprint/206083
PURE UUID: 8ed8c97b-2cb0-4f50-8134-dc0a1fc37553
ORCID for J.Y. Ou: ORCID iD orcid.org/0000-0001-8028-6130
ORCID for Y. Jung: ORCID iD orcid.org/0000-0002-9054-4372

Catalogue record

Date deposited: 15 Dec 2011 11:48
Last modified: 21 Apr 2021 01:43

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