Detection of a diffusive cloak via second-order statistics

We propose a scheme to detect the diffusive cloak proposed by Schittny et al. [Science345, 427 (2014).SCIEAS0036-807510.1126/science.1254524]. We exploit the fact that diffusion of light is an approximation that disregards wave interference. The long-range contribution to intensity correlation is se...

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Bibliographic Details
Published in:Optics letters 2016-08, Vol.41 (16), p.3860-3863
Main Authors: Koirala, Milan, Yamilov, Alexey
Format: Article
Language:English
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Summary:We propose a scheme to detect the diffusive cloak proposed by Schittny et al. [Science345, 427 (2014).SCIEAS0036-807510.1126/science.1254524]. We exploit the fact that diffusion of light is an approximation that disregards wave interference. The long-range contribution to intensity correlation is sensitive to the locations of path crossings and the interference inside the medium, allowing one to detect the size and position, including the depth, of the diffusive cloak. Our results also suggest that it is possible to separately manipulate the first- and the second-order statistics of wave propagation in turbid media.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.41.003860