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Details of Grant 

EPSRC Reference: EP/W018489/1
Title: Ultrafast Terahertz Polarimetry Enabled by Semiconductor Nanowire Sensors
Principal Investigator: Johnston, Professor MB
Other Investigators:
Kraus, Professor H Herz, Professor LM
Researcher Co-Investigators:
Project Partners:
Australian National University (ANU) Eindhoven University of Technology IBM UK Ltd
Menlo Systems GmbH Swiss Federal Inst of Technology (EPFL) Teraview Ltd
TOPTICA Photonics AG
Department: Oxford Physics
Organisation: University of Oxford
Scheme: Standard Research
Starts: 04 April 2022 Ends: 03 April 2026 Value (£): 1,228,644
EPSRC Research Topic Classifications:
Materials Characterisation Optical Devices & Subsystems
EPSRC Industrial Sector Classifications:
Information Technologies Technical Consultancy
R&D
Related Grants:
EP/W017725/1 EP/W017067/1
Panel History:
Panel DatePanel NameOutcome
09 Feb 2022 EPSRC Physical Sciences Prioritisation Panel - February 2022 Announced
Summary on Grant Application Form
Pulsed terahertz (THz) radiation has proved particularly powerful in applications such as spectroscopy, materials characterisation, security screening, communications, quality control and medical imaging. Considerable information is encoded in the polarisation state of a THz pulse, yet to date most terahertz spectrometers and imaging systems do not record full polarisation information. Thus, the ability to record and harness polarisation information, which can double the information encoded on a THz pulse, offers huge potential benefits to existing applications of THz systems as well as new applications. We recently developed a new technology based on semiconductor nanowires (NWs) that promises to open up an exciting and powerful new field of terahertz polarimetry. This project will capitalise on our discovery by using the NW-technology to create an ultrafast THz polarimeter, that will firmly establish this new field and make it accessible to a range of disciplines. The power of the ultrafast THz polarimeter will be demonstrated in two key areas: (i) the extraction of the electronic properties of nanoscale and novel thin-film semiconductors and (ii) the development and characterisation of terahertz metasurfaces.
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Organisation Website: http://www.ox.ac.uk