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Ultrastrong coupling of the cyclotron transition of a 2D electron gas to a THz metamaterial

Ultrastrong coupling of the cyclotron transition of a 2D electron gas to a THz metamaterial
Ultrastrong coupling of the cyclotron transition of a 2D electron gas to a THz metamaterial
Artificial cavity photon resonators with ultrastrong light-matter interactions are attracting interest both in semiconductor and superconducting systems because of the possibility of manipulating the cavity quantum electrodynamic ground state with controllable physical properties. We report here experiments showing ultrastrong light-matter coupling in a terahertz (THz) metamaterial where the cyclotron transition of a high-mobility two-dimensional electron gas (2DEG) is coupled to the photonic modes of an array of electronic split-ring resonators. We observe a normalized coupling ratio between the vacuum Rabi frequency, ?, and the cyclotron frequency, ?c. Our system appears to be scalable in frequency and could be brought to the microwave spectral range with the potential of strongly controlling the magnetotransport properties of a high-mobility 2DEG.
0036-8075
1323-1326
Scalari, G.
e0bbc457-f7c8-4646-aad6-01a36f991cab
Maissen, C.
bfc8d4a6-62b8-4857-be4a-fbc40870ca82
Turcinkova, D.
7de3d3ca-8051-4ca8-ac7a-e2165c9ec388
Hagenmuller, D.
21b2cd02-2c57-49df-b13c-3f9da464e30d
De Liberato, S.
5942e45f-3115-4027-8653-a82667ed8473
Ciuti, C.
c5ec42b0-4024-4dcf-b223-3f38b8626761
Reichl, C.
ffe7b62a-9d41-4b51-9d77-67ce1e27d01d
Schuh, D.
ffa47208-25c0-4cf9-9a6a-bc2a1690ab74
Wegscheider, W.
d6ce5f8b-7893-481c-a613-6b075f6029cd
Beck, M.
4a2dda51-e364-4975-9be7-7664a8a291a0
Faist, J.
5f2f2438-5c89-4c23-98e9-9982893e0c23
Scalari, G.
e0bbc457-f7c8-4646-aad6-01a36f991cab
Maissen, C.
bfc8d4a6-62b8-4857-be4a-fbc40870ca82
Turcinkova, D.
7de3d3ca-8051-4ca8-ac7a-e2165c9ec388
Hagenmuller, D.
21b2cd02-2c57-49df-b13c-3f9da464e30d
De Liberato, S.
5942e45f-3115-4027-8653-a82667ed8473
Ciuti, C.
c5ec42b0-4024-4dcf-b223-3f38b8626761
Reichl, C.
ffe7b62a-9d41-4b51-9d77-67ce1e27d01d
Schuh, D.
ffa47208-25c0-4cf9-9a6a-bc2a1690ab74
Wegscheider, W.
d6ce5f8b-7893-481c-a613-6b075f6029cd
Beck, M.
4a2dda51-e364-4975-9be7-7664a8a291a0
Faist, J.
5f2f2438-5c89-4c23-98e9-9982893e0c23

Scalari, G., Maissen, C., Turcinkova, D., Hagenmuller, D., De Liberato, S., Ciuti, C., Reichl, C., Schuh, D., Wegscheider, W., Beck, M. and Faist, J. (2012) Ultrastrong coupling of the cyclotron transition of a 2D electron gas to a THz metamaterial. Science, 335 (6074), 1323-1326. (doi:10.1126/science.1216022).

Record type: Article

Abstract

Artificial cavity photon resonators with ultrastrong light-matter interactions are attracting interest both in semiconductor and superconducting systems because of the possibility of manipulating the cavity quantum electrodynamic ground state with controllable physical properties. We report here experiments showing ultrastrong light-matter coupling in a terahertz (THz) metamaterial where the cyclotron transition of a high-mobility two-dimensional electron gas (2DEG) is coupled to the photonic modes of an array of electronic split-ring resonators. We observe a normalized coupling ratio between the vacuum Rabi frequency, ?, and the cyclotron frequency, ?c. Our system appears to be scalable in frequency and could be brought to the microwave spectral range with the potential of strongly controlling the magnetotransport properties of a high-mobility 2DEG.

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More information

Published date: 16 March 2012
Organisations: Quantum, Light & Matter Group

Identifiers

Local EPrints ID: 351233
URI: http://eprints.soton.ac.uk/id/eprint/351233
ISSN: 0036-8075
PURE UUID: 45f37ecb-4ca0-43e6-bbcd-d97a0d0ad9b2
ORCID for S. De Liberato: ORCID iD orcid.org/0000-0002-4851-2633

Catalogue record

Date deposited: 17 Apr 2013 14:23
Last modified: 17 Dec 2019 01:37

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