Nonlinear optical metasurfaces,which relax the phase-matching constraints of bulk nonlinear crystals and allow for precise engineering,are opening new possibilities in the field of quantum photonics.Recent advancement...Nonlinear optical metasurfaces,which relax the phase-matching constraints of bulk nonlinear crystals and allow for precise engineering,are opening new possibilities in the field of quantum photonics.Recent advancements have experimentally demonstrated high-resolution 2D imaging using a 1D detector array by combining quantum ghost imaging and all-optical scanning with spatially entangled photon pairs generated from a nonlinear metasurface.These findings establish metasurfaces as a promising platform for quantum imaging,communications,and sensing applications.展开更多
基金support by the National Research Foundation of Korea(NRF)(2022R1A2C301189812,2022M3H4A1A04096465).
文摘Nonlinear optical metasurfaces,which relax the phase-matching constraints of bulk nonlinear crystals and allow for precise engineering,are opening new possibilities in the field of quantum photonics.Recent advancements have experimentally demonstrated high-resolution 2D imaging using a 1D detector array by combining quantum ghost imaging and all-optical scanning with spatially entangled photon pairs generated from a nonlinear metasurface.These findings establish metasurfaces as a promising platform for quantum imaging,communications,and sensing applications.