X-shaped space-time coherence in optical parametric generation

Jedrkiewicz, O., Clerici, M. , Picozzi, A., Faccio, D. and Di Trapani, P. (2007) X-shaped space-time coherence in optical parametric generation. Physical Review A: Atomic, Molecular and Optical Physics, 76, 033823. (doi:10.1103/PhysRevA.76.033823)

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Abstract

We study the spatiotemporal coherence properties of superfluorescence radiation generated in optical parametric amplification of quantum noise. We show that the angular dispersion properties of the spatiotemporal spectra, measured in different phase-matching conditions, lead to a clear X-shaped structure of the mutual correlation function of the radiation. Within a statistical picture, we interpret the generated superfluorescence as a stochastic “gas” of quasistationary modes characterized by a skewed correlation in the spatiotemporal domain, with characteristics similar to linear and nonlinear X waves not describable within a separable approach in space and time.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Clerici, Dr Matteo and Faccio, Professor Daniele
Authors: Jedrkiewicz, O., Clerici, M., Picozzi, A., Faccio, D., and Di Trapani, P.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
College of Science and Engineering > School of Physics and Astronomy
Journal Name:Physical Review A: Atomic, Molecular and Optical Physics
Publisher:American Physical Society
ISSN:1050-2947
ISSN (Online):1094-1622

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