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THz focusing in large-area bias-free semiconductor emitters

THz focusing in large-area bias-free semiconductor emitters
THz focusing in large-area bias-free semiconductor emitters
Illuminated by ultrashort optical pulses, large area multiplex terahertz semiconductor emitters that work on photo-Dember currents and Schottky potentials radiate a directional electromagnetic terahertz pulse which is controlled by the angular spectrum of the incident optical beam. Using the lens that focuses the incident near infra-red pulse, we have demonstrated THz emission focusing in free space and characterized a Gouy phase shift.
Carthy, Joanna, Leigh
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Gow, Paul
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Berry, Sam
0f768f48-36c4-4599-8917-7aae657378a7
Mills, Benjamin
05f1886e-96ef-420f-b856-4115f4ab36d0
Apostolopoulos, Vasileios
8a898740-4c71-4040-a577-9b9d70530b4d
Carthy, Joanna, Leigh
75c5d2a0-bba4-4d94-a53d-76d4a2680125
Gow, Paul
193394b1-fe2d-41de-a9aa-6de7e5925b18
Berry, Sam
0f768f48-36c4-4599-8917-7aae657378a7
Mills, Benjamin
05f1886e-96ef-420f-b856-4115f4ab36d0
Apostolopoulos, Vasileios
8a898740-4c71-4040-a577-9b9d70530b4d

Carthy, Joanna, Leigh, Gow, Paul, Berry, Sam, Mills, Benjamin and Apostolopoulos, Vasileios (2017) THz focusing in large-area bias-free semiconductor emitters. 2017 42nd International Conference on Infrared, Millimeter and Terahertz Waves. (In Press) (doi:10.1109/IRMMW-THz.2017.8066972).

Record type: Conference or Workshop Item (Other)

Abstract

Illuminated by ultrashort optical pulses, large area multiplex terahertz semiconductor emitters that work on photo-Dember currents and Schottky potentials radiate a directional electromagnetic terahertz pulse which is controlled by the angular spectrum of the incident optical beam. Using the lens that focuses the incident near infra-red pulse, we have demonstrated THz emission focusing in free space and characterized a Gouy phase shift.

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THz Focusing In Large-area Bias-free Semiconductor Emitters - Accepted Manuscript
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Accepted/In Press date: 16 October 2017
Venue - Dates: 2017 42nd International Conference on Infrared, Millimeter and Terahertz Waves, 2017-08-27
Organisations: Optoelectronics Research Centre, Physics & Astronomy, Quantum, Light & Matter Group
Learn more about Optoelectronics Research Centre research Learn more about Physics & Astronomy research

Identifiers

Local EPrints ID: 411348
URI: http://eprints.soton.ac.uk/id/eprint/411348
DOI: doi:10.1109/IRMMW-THz.2017.8066972
PURE UUID: 0ad59f36-65a1-477a-ad50-dc9e22825b19
ORCID for Paul Gow: ORCID iD orcid.org/0000-0002-3247-9082
ORCID for Sam Berry: ORCID iD orcid.org/0000-0002-9538-8655
ORCID for Benjamin Mills: ORCID iD orcid.org/0000-0002-1784-1012
ORCID for Vasileios Apostolopoulos: ORCID iD orcid.org/0000-0003-3733-2191

Catalogue record

Date deposited: 19 Jun 2017 16:31
Last modified: 16 Mar 2024 04:10

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Contributors

Author: Joanna, Leigh Carthy
Author: Paul Gow ORCID iD
Author: Sam Berry ORCID iD
Author: Benjamin Mills ORCID iD
Author: Vasileios Apostolopoulos ORCID iD

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