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Synchronization in optically trapped polariton Stuart-Landau networks

Synchronization in optically trapped polariton Stuart-Landau networks
Synchronization in optically trapped polariton Stuart-Landau networks
We demonstrate tunable dissipative interactions between optically trapped exciton-polariton condensates. We apply annular shaped nonresonant optical beams to both generate and confine each condensate to their respective traps, pinning their natural frequencies. Coupling between condensates is realized through the finite escape rate of coherent polaritons from the traps leading to robust phase locking with neighboring condensates. The coupling is controlled by adjusting the polariton propagation distance between neighbors. This permits us to map out regimes of both strong and weak dissipative coupling, with the former characterized by clear in-phase and antiphase synchronization of the condensates. With robust single-energy occupation governed by dissipative coupling of optically trapped polariton condensates, we present a system that offers a potential optical platform for the optimization of randomly connected XY Hamiltonians.
Exciton-Polariton, Microcavity, Synchronization, Polariton Condensate, Nonlinear optics
1550-235X
Harrison, Stella, Louise
9c747e27-dc04-40d3-b982-0674c0154048
Sigurdsson, Helgi
c6380293-fe97-4fd0-a819-cf35721d4e5d
Lagoudakis, Pavlos
ea50c228-f006-4edf-8459-60015d961bbf
Harrison, Stella, Louise
9c747e27-dc04-40d3-b982-0674c0154048
Sigurdsson, Helgi
c6380293-fe97-4fd0-a819-cf35721d4e5d
Lagoudakis, Pavlos
ea50c228-f006-4edf-8459-60015d961bbf

Harrison, Stella, Louise, Sigurdsson, Helgi and Lagoudakis, Pavlos (2020) Synchronization in optically trapped polariton Stuart-Landau networks. Physical Review B, 101 (15), [155402]. (doi:10.1103/PhysRevB.101.155402).

Record type: Article

Abstract

We demonstrate tunable dissipative interactions between optically trapped exciton-polariton condensates. We apply annular shaped nonresonant optical beams to both generate and confine each condensate to their respective traps, pinning their natural frequencies. Coupling between condensates is realized through the finite escape rate of coherent polaritons from the traps leading to robust phase locking with neighboring condensates. The coupling is controlled by adjusting the polariton propagation distance between neighbors. This permits us to map out regimes of both strong and weak dissipative coupling, with the former characterized by clear in-phase and antiphase synchronization of the condensates. With robust single-energy occupation governed by dissipative coupling of optically trapped polariton condensates, we present a system that offers a potential optical platform for the optimization of randomly connected XY Hamiltonians.

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Synchronization in optically trapped polariton Stuart-Landau networks - Accepted Manuscript
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Accepted/In Press date: 3 March 2020
e-pub ahead of print date: 1 April 2020
Published date: 15 April 2020
Keywords: Exciton-Polariton, Microcavity, Synchronization, Polariton Condensate, Nonlinear optics

Identifiers

Local EPrints ID: 439778
URI: http://eprints.soton.ac.uk/id/eprint/439778
ISSN: 1550-235X
PURE UUID: bef7f095-b804-479f-a971-e131c6a47257
ORCID for Stella, Louise Harrison: ORCID iD orcid.org/0000-0002-0302-728X
ORCID for Helgi Sigurdsson: ORCID iD orcid.org/0000-0002-4156-4414
ORCID for Pavlos Lagoudakis: ORCID iD orcid.org/0000-0002-3557-5299

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Date deposited: 04 May 2020 16:30
Last modified: 10 Jan 2022 03:17

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