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SUMMARY:A. A. Sukhorukov
DTSTART:20240903T060000Z
DTEND:20240903T070000Z
DTSTAMP:20260423T022735Z
UID:QOART/8
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/QOART/8/">Ph
 oton-pair generation and quantum measurements with metasurfaces</a>\nby A.
  A. Sukhorukov as part of Quantum Optics and Related Topics\n\n\nAbstract\
 nWe present the theoretical and experimental advances of our group on quan
 tum photon-pair generation through spontaneous parametric down-conversion 
 in nonlinear metasurfaces\, underpinning quantum entanglement engineering 
 at a sub-wavelength scale for photon shaping with tailored polarization an
 d spatial correlations. In particular\, we demonstrate experimentally the 
 generation of spatially entangled photon pairs through spontaneous paramet
 ric down-conversion from a metasurface incorporating a nonlinear thin film
  of lithium niobate covered by a silica meta-grating and achieve precise c
 ontrol of the emission angle of photons. We also outline the applications 
 of metasurfaces quantum imaging combining ghost and all-optical scanning a
 t infrared wavelengths and perform single-shot characterization of the ind
 istinguishability between two photons.\n
LOCATION:https://researchseminars.org/talk/QOART/8/
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