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Ultrafast & Terahertz Photonics Group

Research areas

Nanomaterials

We use pump/probe spectroscopy to study how light and matter interact on femtosecond to nanosecond timescales. Using visible probes we can track electronic processes, while infrared radiation lets us study vibrational states of molecules and atomic-scale defects in semiconductors.

CNT

Recent papers:

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Terahertz medical imaging

Performing in vivo studies of the THz properties of skin is a major initiative in the group, supported by the EPSRC Terabotics Programme GrantLink opens in a new window. We develop robust measurement protocols and test them on a statistically significant number of patients, cross-checking with other methods.

Medical

Recent papers:

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Semiconductors and Energy materials

A major strand of our research is to improve our knowledge of the fundamental science underpinning new semiconductor materials, such as metal-halide perovskites, which are often attractive for photovoltaic applications.

Electronically-delayed optical pump/THz probe spectroscopy on a variety of semiconductors

Recent papers:

...more papers

Terahertz components, methods and techniques

We develop new THz devices and integrate them into novel systems designs that can perform THz imaging and THz spectroscopy faster, and with increased capabilities (e.g. polarisation control; robot-controlled probes).

Single-pixel

Recent papers:

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Recent publication highlights [filter by topic: view all | highlights | THz | perovskites | nano | biomedical]

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Resolving the Ultrafast Charge Carrier Dynamics of 2D and 3D Domains within a Mixed 2D/3D Lead-Tin Perovskite

CNT

Jake D. Hutchinson, Edoardo Ruggeri, Jack M. Woolley, Géraud Delport, Samuel D. Stranks, Rebecca L. Milot
Advanced Functional Materials 2305736, (August 2023)

Mon 07 Aug 2023, 11:41 | Tags: 2023, Milot, perovskites, THz spectroscopy, ultrafast

Ultrafast THz spectroscopy of carbon nanotube-graphene composites

CNT

M.G. Burdanova, A.P. Tsapenko, S. Ahmad, E.I. Kauppinen and J. Lloyd-Hughes
Nanotechnology 34 405203 , (June 2023)

Wed 28 Jun 2023, 07:26 | Tags: 2023, Lloyd-Hughes, nanomaterials, THz spectroscopy, ultrafast

Spectroscopic Insights into the Influence of Filling Carbon Nanotubes with Atomic Nanowires for Photophysical and Photochemical Applications

HgTe

Z. Hu, B. Breeze, M. Walker, E. Faulques, J. Sloan and J. Lloyd-Hughes
ACS Appl. Nano Mater. 6, 2883 (Feb 2023)

Wed 08 Feb 2023, 16:28 | Tags: 2023, Lloyd-Hughes, nanomaterials, ultrafast

Terahertz photoconductance dynamics of semiconductors from sub-nanosecond to millisecond timescales

E-OPTP

E. Butler-Caddle, N.E. Grant, S.L. Pain, J.D. Murphy, K.D.G.I. Jayawardena and J. Lloyd-Hughes
Appl. Phys. Lett. 122 012101 (Jan 2023)

Tue 03 Jan 2023, 17:17 | Tags: 2023, highlight, Lloyd-Hughes, perovskites, THz spectroscopy, ultrafast

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