Propagation of a quantum fluid of light in a cavityless nonlinear optical medium: General theory and response to quantum quenches

P. -É. Larré; I. Carusotto

doi:10.1103/physreva.92.043802

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arXiv · 1412.5405

Propagation of a quantum fluid of light in a cavityless nonlinear optical medium: General theory and response to quantum quenches

P. -É. Larré·I. Carusotto

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Abstract

Making use of a generalized quantum theory of paraxial light propagation where the radiation-axis and the temporal coordinates play exchanged roles, we discuss the potential of bulk nonlinear optical media in cavityless configurations for quantum statistical mechanics studies of the conservative many-body dynamics of a gas of interacting photons. To illustrate the general features of this point of view, we investigate the response of the fluid of light to the quantum quenches in the photon-photon interaction constant experienced at the front and the back faces of a finite slab of weakly nonlinear material. Extending the standard Bogoliubov theory of dilute Bose-Einstein condensates, peculiar features are predicted for the statistical properties of the light emerging from the nonlinear medium.

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P. -É. Larré, I. Carusotto. 2015-09-16. Propagation of a quantum fluid of light in a cavityless nonlinear optical medium: General theory and response to quantum quenches. https://doi.org/10.1103/physreva.92.043802

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