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1篇 您的检索式:作者名="Marcello Massaro"
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1Metasurface interferometry toward quantum sensors显示文摘Optical metasurfaces open new avenues for the precise wavefront control of light for integrated quantum technology.Here,we demonstrate a hybrid integrated quantum photonic system that is capable of entangling and disentangling two-photon spin states at a dielectric metasurface.Via the interference of single-photon pairs at a nanostructured dielectric metasurface,a path-entangled two-photon NOON state with circular polarization that exhibits a quantum HOM interference visibility of 86±4% is generated.Furthermore,we demonstrate nonclassicality andphase sensitivity in a metasurface-based interferometer with a fringe visibility of 86.8±1.1%in the coincidence counts.This high visibility proves the metasurface-induced path entanglement inside the interferometer.Our findings provide a promising way to develop hybrid-integrated quantum technology operating in the high-dimensional mode space in various applications,such as imaging,sensing,and computing.Philip Georgi Marcello Massaro Kai-Hong Luo Basudeb Sain Nicola Montaut Harald Herrmann Thomas Weiss Guixin Li Christine Silberhorn Thomas Zentgraf 2019Light(Science & Applications)2019,8,1:7
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