Continuous variable tripartite entanglement and steering using a third-order nonlinear optical interaction

摘要

Nonlinear optical devices are very useful for generating entanglement. One proposal for the generation of genuine tripartite entanglement [Phys. Rev. Lett. 120, 043601 (2018)] is to use a third-order nonlinear optical interaction. Here, we investigate a generalization of this, where we consider the quantum nature of all modes; moreover, we also investigate quantum steering, which is a stronger and asymmetric non-local correlation. We show that the final state presents not only tripartite continuous variable entanglement but also tripartite steering. (C) 2021 Optical Society of America