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Room temperature polaritonic soft-spin XY Hamiltonian in organic–inorganic halide perovskites

Published version
Peer-reviewed

Repository DOI


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Authors

Peng, Kai 
Li, Wei 
Berloff, Natalia G.  ORCID logo  https://orcid.org/0000-0003-2114-4321
Zhang, Xiang 

Abstract

Exciton–polariton condensates, due to their nonlinear and coherent characteristics, have been employed to construct spin Hamiltonian lattices for potentially studying spin glass, critical dephasing, and even solving optimization problems. Here, we report the room-temperature polariton condensation and polaritonic soft-spin XY Hamiltonian lattices in an organic–inorganic halide perovskite microcavity. This is achieved through the direct integration of high-quality single-crystal samples within the cavity. The ferromagnetic and antiferromagnetic couplings in both one- and two-dimensional condensate lattices have been observed clearly. Our work shows a nonlinear organic–inorganic hybrid perovskite platform for future investigations as polariton simulators.

Description

Peer reviewed: True


Acknowledgements: We thank A. Gao from SVOTEK Inc. for assisting with the high-quality DBR mirror coating.


Publication status: Published

Keywords

XY Hamiltonian, halide perovskites, polaritons, BEC

Journal Title

Nanophotonics

Conference Name

Journal ISSN

2192-8614

Volume Title

13

Publisher

De Gruyter
Sponsorship
Gordon and Betty Moore Foundation (5722)
Office of Naval Research (N00014-21-1-2099, N00014-22-1-2322)
National Science Foundation (DMR-2414131)
Julian Schwinger Foundation for Physics Research (JSF-19-02-0005)
Weizmann-UK grant (142568)
HORIZON EUROPE (UKRI G123670)