Vortex-stream generation and enhanced propagation in a polariton superfluid

Lerario, Giovanni; Maı̂tre, Anne; Boddeda, Rajiv; Glorieux, Quentin; Giacobino, E.; Pigeon, Simon; Bramati, Alberto

doi:10.1103/physrevresearch.2.023049

Cited by 21 publications

(32 citation statements)

References 25 publications

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“…Finetuning of the driving amplitude F eventually allows passing from a dissipationless superfluid to a turbulent one [28] without having to remove it. This has been achieved experimentally very recently [31].…”

Section: Introductionmentioning

confidence: 85%

Critical velocity in resonantly driven polariton superfluids

Pigeon

Aftalion

2021

Physica D: Nonlinear Phenomena

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We study the necessary condition under which a resonantly driven exciton polariton superfluid flowing against an obstacle can generate turbulence. The value of the critical velocity is well estimated by the transition from elliptic to hyperbolic of an operator following ideas developed by Frisch, Pomeau, Rica [1] for a superfluid flow around an obstacle, though the nature of equations governing the polariton superfluid is quite different. We find analytical estimates depending on the pump amplitude and on the pump energy detuning, quite consistent with our numerical computations.

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Section: Introductionmentioning

confidence: 85%

Critical velocity in resonantly driven polariton superfluids

Pigeon

Aftalion

2021

Physica D: Nonlinear Phenomena

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“…There, a strong interaction between matter and an optical cavity mode creates the condensate, which can form a superfluid [51]. Previous work in such systems show the creation and propagation of vortex pairs [52,53] but did not so far measure their spatiotemporal dynamics.…”

Section: Discussion and Outlookmentioning

confidence: 99%

Dynamics of optical vortices in 2D materials

Kurman

Dahan

Sheinfux

et al. 2022

Preprint

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Optical vortices in planar geometries are a universal wave phenomenon, where electromagnetic waves possess topologically protected integer values of orbital angular momentum (OAM). The conservation of OAM governs their dynamics, including their rules of creation and annihilation. However, such dynamics remained so far beyond experimental reach. Here, we present a first observation of creation and annihilation of optical vortex pairs. The vortices conserve their combined OAM during pair creation/annihilation events and determine the field profile throughout their motion between these events. We utilize free electrons in an ultrafast transmission electron microscope to probe the vortices, which appear in the form of phonon polaritons in the 2D material hexagonal boron nitride. These results provide the first observation of optical vortices in any 2D material, which were predicted but never observed. Our findings promote future investigation of vortices in 2D materials and their use for chiral plasmonics, toward the control of selection rules in light-matter interactions and the creation of optical simulators of phase transitions in condensed matter physics.

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“…a,b) Reproduced with permission under the terms of the Creative Commons Attribution 4.0 license. [ 51 ] Copyright 2020, American Physical Society. c,d) Theoretical modeling of the vortex propagation.…”

Section: Simulating Quantum Turbulence In a Polariton Flowmentioning

confidence: 99%

“…The experiment was performed in a semiconductor microcavity, with two driving fields from the same laser. [ 51 ] The first field is a localized seed with an intensity above the bistability threshold, which generates the superfluid polariton flow in a small region of the sample (30 µm in diameter). The second beam is the support field, with an elliptical shape and a length of about 200 µm.…”

Section: Simulating Quantum Turbulence In a Polariton Flowmentioning

confidence: 99%

Microcavity Polaritons for Quantum Simulation

et al. 2020

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Quantum simulations are one of the pillars of quantum technologies. These simulations provide insight in fields as varied as high energy physics, many‐body physics, or cosmology to name only a few. Several platforms, ranging from ultracold‐atoms to superconducting circuits through trapped ions have been proposed as quantum simulators. This article reviews recent developments in another well established platform for quantum simulations: polaritons in semiconductor microcavities. These quasiparticles obey a nonlinear Schrödigner equation (NLSE), and their propagation in the medium can be understood in terms of quantum hydrodynamics. As such, they are considered as “fluids of light.” The challenge of quantum simulations is the engineering of configurations in which the potential energy and the nonlinear interactions in the NLSE can be controlled. Here, some landmark experiments with polaritons in microcavities are revisited, how the various properties of these systems may be used in quantum simulations is discussed, and the richness of polariton systems to explore nonequilibrium physics is highlighted.

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Vortex-stream generation and enhanced propagation in a polariton superfluid

Cited by 21 publications

References 25 publications

Critical velocity in resonantly driven polariton superfluids

Critical velocity in resonantly driven polariton superfluids

Dynamics of optical vortices in 2D materials

Microcavity Polaritons for Quantum Simulation

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