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Engineering spatial coherence in lattices of polariton condensates

Engineering spatial coherence in lattices of polariton condensates
Engineering spatial coherence in lattices of polariton condensates
Artificial lattices of coherently coupled macroscopic states are at the heart of applications ranging from solving hard combinatorial optimisation problems to simulating complex many-body physical systems. The size and complexity of the problems scales with the extent of coherence across the lattice. Although the fundamental limit of spatial coherence depends on the nature of the couplings and lattice parameters, it is usually engineering constrains that define the size of the system. Here, we engineer polariton condensate lattices with active control on the spatial arrangement and condensate density that result in near-diffraction limited emission, and spatial coherence that exceeds by nearly two orders of magnitude the size of each individual condensate. We utilise these advancements to unravel the dependence of spatial correlations between polariton condensates on the lattice geometry.
2334-2536
106-113
Toepfer, Julian Dominic
f3e89749-2912-4907-b712-6052b732dfb1
Chatzopoulos, I.
ce1abd22-8968-487a-a435-44b0b6ed6911
Sigurdsson, Helgi
c6380293-fe97-4fd0-a819-cf35721d4e5d
Cookson, T.
351a0d87-9179-483f-82cd-90de808879a1
Rubo, Y.G.
202ea65d-7bee-4538-9a71-1f341b6cd634
Lagoudakis, Pavlos G.
ea50c228-f006-4edf-8459-60015d961bbf
Toepfer, Julian Dominic
f3e89749-2912-4907-b712-6052b732dfb1
Chatzopoulos, I.
ce1abd22-8968-487a-a435-44b0b6ed6911
Sigurdsson, Helgi
c6380293-fe97-4fd0-a819-cf35721d4e5d
Cookson, T.
351a0d87-9179-483f-82cd-90de808879a1
Rubo, Y.G.
202ea65d-7bee-4538-9a71-1f341b6cd634
Lagoudakis, Pavlos G.
ea50c228-f006-4edf-8459-60015d961bbf

Toepfer, Julian Dominic, Chatzopoulos, I., Sigurdsson, Helgi, Cookson, T., Rubo, Y.G. and Lagoudakis, Pavlos G. (2021) Engineering spatial coherence in lattices of polariton condensates. Optica, 8 (1), 106-113. (doi:10.1364/OPTICA.409976).

Record type: Article

Abstract

Artificial lattices of coherently coupled macroscopic states are at the heart of applications ranging from solving hard combinatorial optimisation problems to simulating complex many-body physical systems. The size and complexity of the problems scales with the extent of coherence across the lattice. Although the fundamental limit of spatial coherence depends on the nature of the couplings and lattice parameters, it is usually engineering constrains that define the size of the system. Here, we engineer polariton condensate lattices with active control on the spatial arrangement and condensate density that result in near-diffraction limited emission, and spatial coherence that exceeds by nearly two orders of magnitude the size of each individual condensate. We utilise these advancements to unravel the dependence of spatial correlations between polariton condensates on the lattice geometry.

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Accepted/In Press date: 7 December 2020
Published date: 19 January 2021

Identifiers

Local EPrints ID: 445855
URI: http://eprints.soton.ac.uk/id/eprint/445855
ISSN: 2334-2536
PURE UUID: 1a56fcec-d5c1-4c9e-904a-e4d77b1cf6f3
ORCID for Julian Dominic Toepfer: ORCID iD orcid.org/0000-0002-4928-5540
ORCID for Helgi Sigurdsson: ORCID iD orcid.org/0000-0002-4156-4414

Catalogue record

Date deposited: 12 Jan 2021 17:31
Last modified: 09 Mar 2021 02:56

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