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Screening nearest-neighbor interactions in networks of exciton-polariton condensates through spin orbit coupling

Screening nearest-neighbor interactions in networks of exciton-polariton condensates through spin orbit coupling
Screening nearest-neighbor interactions in networks of exciton-polariton condensates through spin orbit coupling
We study the modification of the spatial coupling parameter between interacting ballistic exciton-polariton condensates in the presence of photonic spin orbit coupling appearing from TE-TM splitting in planar semiconductor microcavities. We propose a strategy to make the coupling strength between next-nearest-neighbours stronger than between nearest-neighbour, which inverts the conventional idea of the spatial coupling hierarchy between sites. Our strategy relies on the dominantly populated high-momentum components in the ballistic condensates which, in the presence of TE-TM splitting, lead to rapid radial precession of the polariton pseudospin. As a consequence, condensate pairs experience distance-periodic screening of their interaction strength, severely modifying their synchronization and condensation threshold solutions.
Microcavities, exciton-polariton, polariton bec, spin-orbit interaction
1550-235X
155306
Aristov, Denis
d845a093-cb7f-4d08-92b2-01c73d8c32ab
Sigurdsson, Helgi
c6380293-fe97-4fd0-a819-cf35721d4e5d
Lagoudakis, Pavlos
ea50c228-f006-4edf-8459-60015d961bbf
Aristov, Denis
d845a093-cb7f-4d08-92b2-01c73d8c32ab
Sigurdsson, Helgi
c6380293-fe97-4fd0-a819-cf35721d4e5d
Lagoudakis, Pavlos
ea50c228-f006-4edf-8459-60015d961bbf

Aristov, Denis, Sigurdsson, Helgi and Lagoudakis, Pavlos (2022) Screening nearest-neighbor interactions in networks of exciton-polariton condensates through spin orbit coupling. Physical Review B, 105 (15), 155306, [155306]. (doi:10.1103/PhysRevB.105.155306).

Record type: Article

Abstract

We study the modification of the spatial coupling parameter between interacting ballistic exciton-polariton condensates in the presence of photonic spin orbit coupling appearing from TE-TM splitting in planar semiconductor microcavities. We propose a strategy to make the coupling strength between next-nearest-neighbours stronger than between nearest-neighbour, which inverts the conventional idea of the spatial coupling hierarchy between sites. Our strategy relies on the dominantly populated high-momentum components in the ballistic condensates which, in the presence of TE-TM splitting, lead to rapid radial precession of the polariton pseudospin. As a consequence, condensate pairs experience distance-periodic screening of their interaction strength, severely modifying their synchronization and condensation threshold solutions.

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Accepted/In Press date: 18 March 2022
Published date: 20 April 2022
Keywords: Microcavities, exciton-polariton, polariton bec, spin-orbit interaction

Identifiers

Local EPrints ID: 456062
URI: http://eprints.soton.ac.uk/id/eprint/456062
ISSN: 1550-235X
PURE UUID: 9fbe947a-138a-46e2-b076-842e68c533b0
ORCID for Helgi Sigurdsson: ORCID iD orcid.org/0000-0002-4156-4414
ORCID for Pavlos Lagoudakis: ORCID iD orcid.org/0000-0002-3557-5299

Catalogue record

Date deposited: 25 Apr 2022 16:44
Last modified: 12 Oct 2022 04:01

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Contributors

Author: Denis Aristov
Author: Pavlos Lagoudakis ORCID iD

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