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Ultrafast plasmonics using transparent conductive oxide hybrids in the epsilon-near-zero regime

Ultrafast plasmonics using transparent conductive oxide hybrids in the epsilon-near-zero regime
Ultrafast plasmonics using transparent conductive oxide hybrids in the epsilon-near-zero regime
The dielectric response of transparent conductive oxides near the bulk plasmon frequency is characterized by a refractive index less than vacuum. In analogy with x-ray optics, it is shown that this regime results in total external reflection and air-guiding of light. In addition, the strong reduction of the wavevector in the indium-tin oxide below that of free space enables a new surface plasmon polariton mode which can be excited without requiring a prism or grating coupler. Ultrafast control of the surface plasmon polariton mode is achieved with a modulation amplitude reaching 20%.
0003-6951
Traviss, Daniel
eb9f6403-d646-42a6-8653-44f4147fd47b
Bruck, Roman
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Mills, Ben
05f1886e-96ef-420f-b856-4115f4ab36d0
Abb, Martina
d1aa3add-7761-4c4f-8a3d-7da3084deb33
Muskens, Otto L.
2284101a-f9ef-4d79-8951-a6cda5bfc7f9
Traviss, Daniel
eb9f6403-d646-42a6-8653-44f4147fd47b
Bruck, Roman
6c0a8401-0a93-4497-bd42-665e5530cfcf
Mills, Ben
05f1886e-96ef-420f-b856-4115f4ab36d0
Abb, Martina
d1aa3add-7761-4c4f-8a3d-7da3084deb33
Muskens, Otto L.
2284101a-f9ef-4d79-8951-a6cda5bfc7f9

Traviss, Daniel, Bruck, Roman, Mills, Ben, Abb, Martina and Muskens, Otto L. (2013) Ultrafast plasmonics using transparent conductive oxide hybrids in the epsilon-near-zero regime. Applied Physics Letters, 102 (12), [121112]. (doi:10.1063/1.4798833).

Record type: Article

Abstract

The dielectric response of transparent conductive oxides near the bulk plasmon frequency is characterized by a refractive index less than vacuum. In analogy with x-ray optics, it is shown that this regime results in total external reflection and air-guiding of light. In addition, the strong reduction of the wavevector in the indium-tin oxide below that of free space enables a new surface plasmon polariton mode which can be excited without requiring a prism or grating coupler. Ultrafast control of the surface plasmon polariton mode is achieved with a modulation amplitude reaching 20%.

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Published date: 27 March 2013
Organisations: Optoelectronics Research Centre, Quantum, Light & Matter Group

Identifiers

Local EPrints ID: 351946
URI: http://eprints.soton.ac.uk/id/eprint/351946
ISSN: 0003-6951
PURE UUID: 3a7db1a2-4591-4e48-9d81-f4aa8ff0a17d
ORCID for Ben Mills: ORCID iD orcid.org/0000-0002-1784-1012
ORCID for Otto L. Muskens: ORCID iD orcid.org/0000-0003-0693-5504

Catalogue record

Date deposited: 30 Apr 2013 14:08
Last modified: 26 Nov 2019 01:44

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