Image transfer through a chaotic channel by intensity correlations

Authors: Bondani, M.1; Puddu, E.2; Andreoni, A.2

Source: Journal of Modern Optics, Volume 53, Numbers 5-6, March-April 2006 , pp. 761-776(16)

Publisher: Taylor and Francis Ltd

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Abstract:

The three-wave mixing processes in a second-order nonlinear medium can be used for imaging protocols, in which an object field is injected into the nonlinear medium together with a reference field and an image field is generated. When the reference field is chaotic, the image field is also chaotic and does not carry any information about the object. We show that a clear image of the object can be extracted from the chaotic image field by measuring the spatial intensity correlations between this field and one Fourier component of the reference. We experimentally verify this imaging protocol in the case of difference-frequency generation.

Document Type: Research article

DOI: 10.1080/09500340500159823

Affiliations: 1: Istituto Nazionale per la Fisica della Materia, Unità di Como, Via Valleggio 11, 22100 Como, Italy 2: Dipartimento di Fisica e Matematica, Università degli Studi dell'Insubria, Via Valleggio 11, 22100 Como, Italy

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