Oxford Terahertz Photonics Group

University of Oxford > Physics > Condensed Matter > THz Photonics

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Clarendon Laboratory, Parks Road, Oxford, OX1 3PU, UK
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The Oxford Terahertz Photonics Group is a research group within the sub-department of Condensed Matter Physics, which is part of the sub-faculty of Physics at the University of Oxford. We are also a member of Oxford's SeMicoNDuctors linkage group. We study low-energy processes in semiconductors and nanostructures on a femtosecond time-scale. Our research also involves developing novel spectroscopic techniques, for example we have recently developed a new method of terahertz time domain spectroscopy which allows the full polarisation state of terahertz pulses to be recovered.

For enquires about the group please contact:
Dr Michael B. Johnston (group leader), M.Johnston@physics.ox.ac.uk
Clarendon Laboratory, Parks Road, Oxford, OX1 3PU, United Kingdom.

Latest Publications

Introduction to the Special Issue on “Photoconductive Emission and Detection of Terahertz Radiation”: Johnston J Infrared Milli Terahz Waves, 33:391-392 (Apr 2012)
[ pdf ][ ref ]
Special Issue of JIMTW on THz emitters and detector, edited by MB Johnston.
Ultrafast Dynamics of Exciton Formation in Semiconductor Nanowires: Yong et al. Small, 0:0 ( 2012)
[ pdf ][ ref ]
The dynamics of free electron-hole pairs and excitons in GaAs–AlGaAs–GaAs core–shell–skin nanowires is investigated using femtosecond transient photoluminescence spectroscopy at 10 K.
Electron Mobility and Injection Dynamics in Mesoporous {ZnO, SnO$_2$, and TiO$_2$} Films Used in Dye-Sensitized Solar Cells: Tiwana et al. ACS Nano, 5:5158 (Jun 2011)
[ pdf ][ ref ]
Optical-pump THz probe study of electron injection into dye-sensitised solar cells.

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News

JIMTW Special Issue: [Apr 2012] J. Infrared Milli Terahz Wave special issue on "Photoconductive Emission and Detection of THz Radiation", guest edited by MB Johnston is out now. [more...]
Hannah Joyce Awarded J G Crawford Prize: [Dec 2011] Hannah attended ceremony at the Australian National University to receive the J G Crawford Prize for her outstanding PhD work [more...]