Multicomponent polariton superfluidity in the optical parametric oscillator regime. Berceanu, A. C., Dominici, L., Carusotto, I., Ballarini, D., Cancellieri, E., Gigli, G., Szymanska, M. H., Sanvitto, D., & Marchetti, F. M. PHYSICAL REVIEW B, JUL 23, 2015. doi abstract bibtex Superfluidity, which is the ability of a liquid or gas to flow with zero viscosity, is one of the most remarkable implications of collective quantum coherence. In equilibrium systems such as liquid He-4 and ultracold atomic gases, superfluid behavior conjugates diverse yet related phenomena, such as a persistent metastable flow in multiply connected geometries and the existence of a critical velocity for frictionless flow when hitting a static defect. The link between these different aspects of superfluid behavior is far less clear in driven-dissipative systems displaying collective coherence, such as microcavity polaritons, which raises important questions about their concurrency. With a joint theoretical and experimental study, we show that the scenario is particularly rich for polaritons driven in a three-fluid collective coherent regime, i.e., a so-called optical parametric oscillator. On the one hand, the spontaneous macroscopic coherence following the phase locking of the signal and idler fluids has been shown to be responsible for their simultaneous quantized flow metastability. On the other hand, we show here that the pump, signal, and idler have distinct responses when hitting a static defect; while the signal displays modulations that are barely perceptible, the ones appearing in the pump and idler are determined by their mutual coupling due to nonlinear and parametric processes.
@article{ ISI:000358372900002,
Author = {Berceanu, A. C. and Dominici, L. and Carusotto, I. and Ballarini, D. and
Cancellieri, E. and Gigli, G. and Szymanska, M. H. and Sanvitto, D. and
Marchetti, F. M.},
Title = {{Multicomponent polariton superfluidity in the optical parametric
oscillator regime}},
Journal = {{PHYSICAL REVIEW B}},
Year = {{2015}},
Volume = {{92}},
Number = {{3}},
Month = {{JUL 23}},
Abstract = {{Superfluidity, which is the ability of a liquid or gas to flow with zero
viscosity, is one of the most remarkable implications of collective
quantum coherence. In equilibrium systems such as liquid He-4 and
ultracold atomic gases, superfluid behavior conjugates diverse yet
related phenomena, such as a persistent metastable flow in multiply
connected geometries and the existence of a critical velocity for
frictionless flow when hitting a static defect. The link between these
different aspects of superfluid behavior is far less clear in
driven-dissipative systems displaying collective coherence, such as
microcavity polaritons, which raises important questions about their
concurrency. With a joint theoretical and experimental study, we show
that the scenario is particularly rich for polaritons driven in a
three-fluid collective coherent regime, i.e., a so-called optical
parametric oscillator. On the one hand, the spontaneous macroscopic
coherence following the phase locking of the signal and idler fluids has
been shown to be responsible for their simultaneous quantized flow
metastability. On the other hand, we show here that the pump, signal,
and idler have distinct responses when hitting a static defect; while
the signal displays modulations that are barely perceptible, the ones
appearing in the pump and idler are determined by their mutual coupling
due to nonlinear and parametric processes.}},
DOI = {{10.1103/PhysRevB.92.035307}},
Article-Number = {{035307}},
ISSN = {{1098-0121}},
EISSN = {{1550-235X}},
ResearcherID-Numbers = {{Ballarini, Dario/R-4866-2016
Dominici, Lorenzo/N-3576-2016
Cancellieri, Emiliano/J-6219-2012
carusotto, iacopo/P-8327-2018
Marchetti, Francesca Maria/F-7695-2012
Sanvitto, Daniele/B-5785-2013}},
ORCID-Numbers = {{Ballarini, Dario/0000-0002-2453-5849
Dominici, Lorenzo/0000-0002-5860-7089
Cancellieri, Emiliano/0000-0002-4099-2716
carusotto, iacopo/0000-0002-9838-0149
Marchetti, Francesca Maria/0000-0003-1394-7394
Berceanu, Andrei/0000-0003-4438-4440
Sanvitto, Daniele/0000-0002-3831-8829}},
Unique-ID = {{ISI:000358372900002}},
}
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In equilibrium systems such as liquid He-4 and ultracold atomic gases, superfluid behavior conjugates diverse yet related phenomena, such as a persistent metastable flow in multiply connected geometries and the existence of a critical velocity for frictionless flow when hitting a static defect. The link between these different aspects of superfluid behavior is far less clear in driven-dissipative systems displaying collective coherence, such as microcavity polaritons, which raises important questions about their concurrency. With a joint theoretical and experimental study, we show that the scenario is particularly rich for polaritons driven in a three-fluid collective coherent regime, i.e., a so-called optical parametric oscillator. On the one hand, the spontaneous macroscopic coherence following the phase locking of the signal and idler fluids has been shown to be responsible for their simultaneous quantized flow metastability. 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C. and Dominici, L. and Carusotto, I. and Ballarini, D. and\n Cancellieri, E. and Gigli, G. and Szymanska, M. H. and Sanvitto, D. and\n Marchetti, F. M.},\nTitle = {{Multicomponent polariton superfluidity in the optical parametric\n oscillator regime}},\nJournal = {{PHYSICAL REVIEW B}},\nYear = {{2015}},\nVolume = {{92}},\nNumber = {{3}},\nMonth = {{JUL 23}},\nAbstract = {{Superfluidity, which is the ability of a liquid or gas to flow with zero\n viscosity, is one of the most remarkable implications of collective\n quantum coherence. In equilibrium systems such as liquid He-4 and\n ultracold atomic gases, superfluid behavior conjugates diverse yet\n related phenomena, such as a persistent metastable flow in multiply\n connected geometries and the existence of a critical velocity for\n frictionless flow when hitting a static defect. The link between these\n different aspects of superfluid behavior is far less clear in\n driven-dissipative systems displaying collective coherence, such as\n microcavity polaritons, which raises important questions about their\n concurrency. With a joint theoretical and experimental study, we show\n that the scenario is particularly rich for polaritons driven in a\n three-fluid collective coherent regime, i.e., a so-called optical\n parametric oscillator. On the one hand, the spontaneous macroscopic\n coherence following the phase locking of the signal and idler fluids has\n been shown to be responsible for their simultaneous quantized flow\n metastability. 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