Quantum Light-Matter
University of St Andrews
We are an experimental group at School of Physics and Astronomy) working on strong light-matter interaction, specifically exciton-polaritons.
Projects
Room-temperature single polariton nonlinearity in 2-dimensional materials
Recent Publications
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Nature Communications
(2022)
Observation of a quantised oscillating nonlinear quantum fluid in 1D and 2D potentials in an organic microcavity at room temperature, achieved by an on-the-fly fully tuneable optical approach.
Nature Materials
(2022)
Strong coupling of light to Cu2O Rydberg excitons up to n = 6 and demonstrate the formation of Cu2O Rydberg exciton–polaritons, by embedding a thin Cu2O crystal into a Fabry–Pérot microcavity.
Physical Review Letters
(2022)
By spatial trapping and isolating condensates from their noisy environment it is possible to form strongly spin-polarized polariton condensates at high temperatures, offering a promising route to the realization of polariton spin lattices for quantum simulations.
Physical Review B
(2021)
The quantum confinement of Rydberg excitons is an important step towards exploiting their large nonlinearities for quantum applications. We observe Rydberg excitons in nanoparticles of Cu$_2$O.
Contact
- ho35@st-andrews.ac.uk
- Room 332, Physics and Astronomy, North Haugh, St Andrews, United Kingdom, KY16 9SS