Generation of Quantum Entanglement from a Nonlinear Metasurface and Its Application in Quantum Imaging

Jinyong Ma, Jihua Zhang, Marcus Cai, Rocio Camacho Morales, Lei Xu, Jinliang Ren, Yuxin Jiang, Tongmiao Fan, Matthew Parry, Dragomir N. Neshev, Andrey A. Sukhorukov

Research output: Contribution to journalConference articlepeer-review

Abstract

We demonstrate experimentally that a strongly enhanced generation of spatially entangled photon pairs can be achieved from metasurfaces supporting nonlocal double resonances at the signal and idler wavelengths, and reveal that multiplexed metagratings featuring different orientations allow the engineering of bi-photon polar-ization states and optically controllable generation of arbitrary polarization qutrits. Furthermore, leveraging the exceptional capabilities of the metasurface, we present a combined quantum ghost and scanning imaging protocol allowing 2D imaging with a 1D detector array.

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