Journal ArticleDOI
Optical imaging by means of two-photon quantum entanglement.
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TLDR
In this article, a two-photon optical imaging experiment was performed based on the quantum nature of the signal and idler photon pairs produced in spontaneous parametric down-conversion, where an aperture placed in front of a fixed detector is illuminated by the signal beam through a convex lens.Abstract:
A two-photon optical imaging experiment was performed based on the quantum nature of the signal and idler photon pairs produced in spontaneous parametric down-conversion. An aperture placed in front of a fixed detector is illuminated by the signal beam through a convex lens. A sharp magnified image of the aperture is found in the coincidence counting rate when a mobile detector is scanned in the transverse plane of the idler beam at a specific distance in relation to the lens.read more
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Compressive Object Tracking using Entangled Photons
TL;DR: In this paper, a compressive sensing protocol that tracks a moving object by removing static components from a scene is presented, and the implementation is carried out on a ghost imaging scheme to minimize both the number of photons and number of measurements required to form a quantum image of the tracked object.
Journal ArticleDOI
Differential ghost imaging in time domain
Yoshiki O-oka,Susumu Fukatsu +1 more
TL;DR: In this paper, a temporal differential ghost imaging (TDGI) method was proposed, using pseudo-randomized light pulses and a temporal object consisting of no-return-to-zero bit patterns of varying duty.
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Measurement of the transverse spatial quantum state of light at the single-photon level
TL;DR: The technique provides a large numerical aperture without distorting the shape of the wavefront, does not introduce astigmatism, and allows for characterization of fully or partially coherent optical fields at the single-photon level.
Journal ArticleDOI
Entangled photon-pair sources based on three-wave mixing in bulk crystals.
TL;DR: This manuscript provides a review of the state-of-the-art bulk-optics-based SPDC sources with continuous wave pump and discusses some of the main considerations when building for deployment.
Journal ArticleDOI
Ghost Spectroscopy with Classical Thermal Light Emitted by a Superluminescent Diode
TL;DR: In this article, the authors demonstrate ghost spectroscopy based on classical photon correlations in the wavelength domain of broad-band light emitted by an ultraminiaturized superluminescent semiconductor diode.