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research article

Dissipative time crystal in an asymmetric nonlinear photonic dimer

Seibold, Kilian  
•
Rota, Riccardo  
•
Savona, Vincenzo  
March 30, 2020
Physical Review A

We investigate the behavior of two coupled nonlinear photonic cavities, in the presence of inhomogeneous coherent driving and local dissipations. By solving numerically the quantum master equation, either by diagonalizing the Liouvillian superoperator or by using the approximated truncated Wigner approach, we extrapolate the properties of the system in a thermodynamic limit of large photon occupation. When the mean-field Gross-Pitaevskii equation predicts a unique parametrically unstable steady-state solution, the open quantum many-body system presents highly nonclassical properties and its dynamics exhibits the long-lived Josephson-like oscillations typical of dissipative time crystals, as indicated by the presence of purely imaginary eigenvalues in the spectrum of the Liouvillian superoperator in the thermodynamic limit.

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Type
research article
DOI
10.1103/PhysRevA.101.033839
Web of Science ID

WOS:000522159300007

Author(s)
Seibold, Kilian  
•
Rota, Riccardo  
•
Savona, Vincenzo  
Date Issued

2020-03-30

Publisher

AMER PHYSICAL SOC

Published in
Physical Review A
Volume

101

Issue

3

Article Number

033839

Subjects

Optics

•

Physics, Atomic, Molecular & Chemical

•

Optics

•

Physics

Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LTPN  
Available on Infoscience
April 11, 2020
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/168111
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