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Next-nearest-neighbor coupling with spinor polariton condensates

Next-nearest-neighbor coupling with spinor polariton condensates


Title: Next-nearest-neighbor coupling with spinor polariton condensates
Author: Dovzhenko, Dmitriy
Aristov, Denis
Pickup, Lucinda
Sigurðsson, Helgi
Lagoudakis, Pavlos
Date: 2023-10-11
Language: English
Scope: 11298270
School: Engineering and Natural Sciences
Series: Physical Review B; 108()
ISSN: 2469-9950
DOI: 10.1103/PhysRevB.108.L161301
Subject: polariton; microcavity; polariton condensate; spin orbit coupling; 899141; 964770; 945339
URI: https://hdl.handle.net/20.500.11815/4662

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Citation:

Dovzhenko , D , Aristov , D , Pickup , L , Sigurðsson , H & Lagoudakis , P 2023 , ' Next-nearest-neighbor coupling with spinor polariton condensates ' , Physical Review B , vol. 108 , L161301 . https://doi.org/10.1103/PhysRevB.108.L161301

Abstract:

We report on experimental observation of next-nearest-neighbor coupling between ballistically expanding spinor exciton-polariton condensates in a planar semiconductor microcavity. All-optical control over the coupling strength between neighboring condensates is demonstrated through distance-periodic pseudospin screening of their ballistic particle outflow due to the inherent splitting of the planar cavity transverse-electric and transverse-magnetic modes. By screening the nearest-neighbor coupling we overcome the conventional spatial coupling hierarchy between condensates. This offers a promising route toward creating unconventional nonplanar many-body Hamiltonians using networks of ballistically expanding spinor exciton-polariton condensates.

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