Ghost imaging without discord.
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ABSTRACT: Ragy and Adesso argue that quantum discord is involved in the formation of a pseudothermal ghost image. We show that quantum discord plays no role in spatial light modulator ghost imaging, i.e., ghost-image formation based on structured illumination realized with laser light that has undergone spatial light modulation by the output from a pseudorandom number generator. Our analysis thus casts doubt on the degree to which quantum discord is necessary for ghost imaging.
SUBMITTER: Shapiro JH
PROVIDER: S-EPMC3654484 | biostudies-other | 2013
REPOSITORIES: biostudies-other
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