Projects per year
Abstract
Giant Rydberg excitons with principal quantum numbers as high as n = 25 have been observed in cuprous oxide (Cu2O), a semiconductor in which the exciton diameter can become as large as ∼1 μm.
The giant dimension of these excitons results in excitonic interaction
enhancements of orders of magnitude. Rydberg exciton–polaritons, formed
by the strong coupling of Rydberg excitons to cavity photons, are a
promising route to exploit these interactions and achieve a scalable,
strongly correlated solid-state platform. However, the strong coupling
of these excitons to cavity photons has remained elusive. Here, by
embedding a thin Cu2O crystal into a Fabry–Pérot microcavity, we achieve strong coupling of light to Cu2O Rydberg excitons up to n = 6 and demonstrate the formation of Cu2O
Rydberg exciton–polaritons. These results pave the way towards
realizing strongly interacting exciton–polaritons and exploring strongly
correlated phases of matter using light on a chip.
Original language | English |
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Pages (from-to) | 767–772 |
Journal | Nature Materials |
Volume | 21 |
Issue number | 7 |
Early online date | 14 Apr 2022 |
DOIs | |
Publication status | Published - Jul 2022 |
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Dive into the research topics of 'Rydberg exciton-polaritons in a Cu2O microcavity'. Together they form a unique fingerprint.Projects
- 3 Finished
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Tailored Rydberg Superatoms: Tailored Rydberg Superatoms through Quantum Confinement
Rajendran, S. K. (PI)
1/10/20 → 30/03/21
Project: Standard
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Thin Film X-Ray Diffraction: Thin film x-ray diffraction
Wahl, P. (PI), Brown, C. T. A. (CoI), King, P. (CoI) & Rost, A. W. (CoI)
15/01/20 → 14/07/21
Project: Standard
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Rydberg polaritons in Cu2O microcavities: Rydberg polaritons in Cu2O microcavities
Ohadi, H. (PI)
15/01/19 → 14/01/21
Project: Standard
Datasets
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Rydberg exciton-polaritons in a Cu2O microcavity (dataset)
Orfanakis, K. (Creator) & Ohadi, H. (Creator), University of St Andrews, 12 Jan 2022
DOI: 10.17630/4f4e4d92-8309-45db-bade-26b147696138
Dataset
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