Cavity-Mediated Molecular Entanglement and Generation of Non-Classical States of Light

TL;DR

This paper demonstrates how strong cavity coupling can generate entanglement between molecular vibrational modes and produce non-classical light states, advancing quantum control in molecular systems.

Contribution

It introduces a method to generate and control entanglement in molecules via cavity coupling, revealing new pathways for quantum information processing.

Findings

Entanglement can be generated between vibrational modes in molecules.

Molecular entanglement can be established between different molecules.

Non-classical states of light are produced through this process.

Abstract

The generation and control of entanglement in a quantum mechanical system is a critical element of nearly all quantum applications. Molecular systems are a promising candidate, with numerous degrees of freedom able to be targeted. However, knowledge of inter-system entanglement mechanisms in such systems is limited. In this work, we demonstrate the generation of entanglement between vibrational degrees of freedom in molecules via strong coupling to a cavity mode driven by a weak coherent field. In a bi-molecular system, we show entanglement can not only be generated between the cavity and molecular system, but also between molecules. This process also results in the generation of non-classical states of light, providing potential pathways for harnessing entanglement in molecular systems.