Zobrazeno 1 - 10
of 214
pro vyhledávání: '"Picozzi , Antonio"'
Autor:
Zanaglia, Lucas, Garnier, Josselin, Rica, Sergio, Kaiser, Robin, Wabnitz, Stefano, Michel, Claire, Doya, Valerie, Picozzi, Antonio
We consider the free propagation geometry of a light beam (or fluid of light) in a multimode waveguide. As a result of the effective photon-photon interactions, the photon fluid thermalizes to an equilibrium state during its conservative propagation.
Externí odkaz:
http://arxiv.org/abs/2405.06531
Autor:
Baudin, Kilian, Garnier, Josselin, Fusaro, Adrien, Michel, Claire, Krupa, Katarzyna, Millot, Guy, Picozzi, Antonio
Publikováno v:
Optics Communications 545 (2023) 129716
Classical nonlinear waves exhibit, as a general rule, an irreversible process of thermalization toward the Rayleigh-Jeans equilibrium distribution. On the other hand, several recent experiments revealed a remarkable effect of spatial organization of
Externí odkaz:
http://arxiv.org/abs/2309.02215
Autor:
Berti, Nicolas, Baudin, Kilian, Fusaro, Adrien, Millot, Guy, Picozzi, Antonio, Garnier, Josselin
We address the problem of thermalization in the presence of a time-dependent disorder in the framework of the nonlinear Schr\"odinger (or Gross-Pitaevskii) equation with a random potential. The thermalization to the Rayleigh-Jeans distribution is dri
Externí odkaz:
http://arxiv.org/abs/2207.08680
Autor:
Baudin, Kilian, Garnier, Josselin, Fusaro, Adrien, Berti, Nicolas, Millot, Guy, Picozzi, Antonio
We consider the propagation of temporally incoherent waves in multimode optical fibers (MMFs) in the framework of the multimode nonlinear Schr\"odinger (NLS) equation accounting for the impact of the natural structural disorder that affects light pro
Externí odkaz:
http://arxiv.org/abs/2111.05744
The long-term behavior of a modulationally unstable conservative nonintegrable system is known to be characterized by the soliton turbulence self-organization process. We consider this problem in the presence of a long-range interaction in the framew
Externí odkaz:
http://arxiv.org/abs/2108.13250
Publikováno v:
Phys. Rev. Lett. 127, 014101 (2021)
We consider the problem of the formation of soliton states from a modulationally unstable initial condition in the framework of the Schr\"odinger-Poisson (or Newton-Schr\"odinger) equation accounting for gravitational interactions. We unveil a previo
Externí odkaz:
http://arxiv.org/abs/2106.01103
Autor:
Azam, Pierre, Fusaro, Adrien, Fontaine, Quentin, Garnier, Josselin, Bramati, Alberto, Picozzi, Antonio, Kaiser, Robin, Glorieux, Quentin, Bienaimé, Tom
Publikováno v:
Phys. Rev. A 104, 013515 (2021)
We study the out-of-equilibrium dynamics of a two-dimensional paraxial fluid of light using a near-resonant laser propagating through a hot atomic vapor. We observe a double shock-collapse instability: a shock (gradient catastrophe) for the velocity,
Externí odkaz:
http://arxiv.org/abs/2103.06637
Publikováno v:
Phys. Rev. Lett. 122, 123902 (2019)
Classical nonlinear waves exhibit a phenomenon of condensation that results from the natural irreversible process of thermalization, in analogy with the quantum Bose-Einstein condensation. Wave condensation originates in the divergence of the thermod
Externí odkaz:
http://arxiv.org/abs/2011.05111
Publikováno v:
In Physica D: Nonlinear Phenomena June 2022 434
Autor:
Xu, Gang, Garnier, Josselin, Rumpf, Benno, Fusaro, Adrien, Suret, Pierre, Randoux, Stephaine, Millot, Guy, Picozzi, Antonio
We revisit the mechanisms underlying the process of spectral broadening of incoherent optical waves propagating in nonlinear media on the basis of nonequilibrium thermodynamic considerations. A simple analysis reveals that a prerequisite for the exis
Externí odkaz:
http://arxiv.org/abs/1707.00162