Manipulating Orbital Angular Momentum Entanglement in Three-Dimensional Spiral Nonlinear Photonic Crystals release_c3r2xqazebba7pfxxdy6ygtz7i

by Qian Yu, Chuan Xu, Sixin Chen, Pengcheng Chen, Saiwei Nie, Shijie Ke, Dunzhao Wei, Min Xiao, Yong Zhang

Published in Photonics by MDPI AG.

2022   p504

Abstract

We propose and theoretically investigate two-photon orbital angular momentum (OAM) correlation through spontaneous parameter down-conversion (SPDC) processes in three-dimensional (3D) spiral nonlinear photonic crystals (NPCs). By properly designing the NPC structure, one can feasibly modulate the OAM-correlated photon pair, which provides a potential platform to realize high-dimensional entanglement for quantum information processing and quantum communications.
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