Generation and detection of magnified images via illumination by entangled photon pairs
PHYSICAL REVIEW A(2005)
摘要
We show experimentally that quantum coincidence imaging with photon pairs generated by spontaneous parametric down conversion, in certain conditions, differs from the classical imaging in two aspects: the magnified image is produced by an "apodized" effective lens and its effective wavelength is the De Broglie wavelength of the photon pair lambda/2, where lambda is the central wavelength of the single photon wave packet. Better resolution and apodization effects (reduced intensity of the diffraction fringes around the image) are observed in the detected images.
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关键词
quantum nonlocality,spontaneous parametric down conversion,electromagnetic field
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