Scientific Results

Superfluid light in bulk nonlinear media

Year: 2014

Authors: Carusotto I.

Autors Affiliation: INO-CNR BEC Center and Dipartimento di Fisica, Università di Trento, via Sommarive 14, Povo 38123, Italy

Abstract: We review how the paraxial approximation naturally leads to a hydrodynamic description of light propagation in a bulk Kerr nonlinear medium in terms of a wave equation analogous to the Gross-Pitaevskii equation for the order parameter of a superfluid. The main features of the many-body collective dynamics of the fluid of light in this propagating geometry are discussed: generation and observation of Bogoliubov sound waves in the fluid of light is first described. Experimentally accessible manifestations of superfluidity are then highlighted. Perspectives in view of realizing analogue models of gravity are finally given.

Journal/Review: PROCEEDINGS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCE

Volume: 470 (2169)      Pages from: 20140320  to: 20140320

More Information: This work was partially funded by ERC through the QGBE grant and by the Autonomous Province of Trento, Call\’Grandi Progetti 2012\’, project \’On silicon chip quantum optics for quantum computing and secure communications – SiQuro\’.
KeyWords: superfluidity; light; nonlinear optics; quantum; optics
DOI: 10.1098/rspa.2014.0320

Citations: 23
data from “WEB OF SCIENCE” (of Thomson Reuters) are update at: 2019-09-15
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English