Dynamics of fluctuations in an optical analog of the Laval nozzle

Details Dynamics of fluctuations in an optical analog of the Laval nozzle Dynamics of fluctuations in an optical analog of the Laval nozzle

2009-10-17

arxiv.org/abs/0910.3314v2

Physics

Optics

7 pages, 4 figures

Scientific paper

Using the analogy between the description of coherent light propagation in a medium with Kerr nonlinearity by means of nonlinear Schr\"odinger equation and that of a dissipationless liquid we propose an optical analogue of the Laval nozzle. The optical Laval nozzle will allow one to form a transonic flow in which one can observe and study a very unusual dynamics of classical and quantum fluctuations including analogue of the Hawking radiation of real black holes. Theoretical analysis of this dynamics is supported by numerical calculations and estimates for a possible experimental setup are presented.

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