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Ultrastrong coupling between light and matter

Ultrastrong coupling between light and matter
Ultrastrong coupling between light and matter
Ultrastrong coupling between light and matter has, in the past decade, transitioned from a theoretical idea to an experimental reality. It is a new regime of quantum light–matter interaction, which goes beyond weak and strong coupling to make the coupling strength comparable to the transition frequencies in the system. The achievement of weak and strong coupling has led to increased control of quantum systems and to applications such as lasers, quantum sensing, and quantum information processing. Here we review the theory of quantum systems with ultrastrong coupling, discussing entangled ground states with virtual excitations, new avenues for nonlinear optics, and connections to several important physical models. We also overview the multitude of experimental setups, including superconducting circuits, organic molecules, semiconductor polaritons, and optomechanical systems, that have now achieved ultrastrong coupling. We conclude by discussing the many potential applications that these achievements enable in physics and chemistry.
19-40
Frisk Kockum, Anton
053ec67b-f7de-4eca-8e9c-e1f96a9e1af4
Miranowicz, Adam
fce439cc-db8a-44ef-9828-8626547b3ed7
De Liberato, Simone
5942e45f-3115-4027-8653-a82667ed8473
Savasta, Salvatore
756b1638-adf8-48ce-9111-a9bf9dc95a24
Nori, Franco
a90190de-06f0-4686-9fa6-c4ba705ad014
Frisk Kockum, Anton
053ec67b-f7de-4eca-8e9c-e1f96a9e1af4
Miranowicz, Adam
fce439cc-db8a-44ef-9828-8626547b3ed7
De Liberato, Simone
5942e45f-3115-4027-8653-a82667ed8473
Savasta, Salvatore
756b1638-adf8-48ce-9111-a9bf9dc95a24
Nori, Franco
a90190de-06f0-4686-9fa6-c4ba705ad014

Frisk Kockum, Anton, Miranowicz, Adam, De Liberato, Simone, Savasta, Salvatore and Nori, Franco (2019) Ultrastrong coupling between light and matter. Nature Reviews Physics, 1, 19-40.

Record type: Article

Abstract

Ultrastrong coupling between light and matter has, in the past decade, transitioned from a theoretical idea to an experimental reality. It is a new regime of quantum light–matter interaction, which goes beyond weak and strong coupling to make the coupling strength comparable to the transition frequencies in the system. The achievement of weak and strong coupling has led to increased control of quantum systems and to applications such as lasers, quantum sensing, and quantum information processing. Here we review the theory of quantum systems with ultrastrong coupling, discussing entangled ground states with virtual excitations, new avenues for nonlinear optics, and connections to several important physical models. We also overview the multitude of experimental setups, including superconducting circuits, organic molecules, semiconductor polaritons, and optomechanical systems, that have now achieved ultrastrong coupling. We conclude by discussing the many potential applications that these achievements enable in physics and chemistry.

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1807.11636 - Accepted Manuscript
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Accepted/In Press date: 15 November 2018
e-pub ahead of print date: 8 January 2019
Published date: January 2019

Identifiers

Local EPrints ID: 429898
URI: http://eprints.soton.ac.uk/id/eprint/429898
PURE UUID: a164306b-bef0-46a8-a577-744d0fa20078
ORCID for Simone De Liberato: ORCID iD orcid.org/0000-0002-4851-2633

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Date deposited: 08 Apr 2019 16:30
Last modified: 07 Oct 2020 05:59

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Contributors

Author: Anton Frisk Kockum
Author: Adam Miranowicz
Author: Salvatore Savasta
Author: Franco Nori

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