Entanglement mediated by DC current induced nonreciprocal graphene plasmonics

Area of Science:

• Quantum Optics
• Condensed Matter Physics
• Nanotechnology

Background:

• Nonreciprocal systems offer unidirectional wave propagation, ideal for controlling quantum entanglement.
• Graphene plasmon polaritons provide a promising platform for manipulating light-matter interactions at the nanoscale.

Purpose of the Study:

• To investigate entanglement mediated by DC current-induced nonreciprocal graphene plasmon polaritons.
• To assess the potential of these systems for generating and controlling quantum entanglement.

Main Methods:

• Utilized a quantum master equation to model the system dynamics.
• Employed three-dimensional Green's function analysis to study interactions.
• Measured entanglement using concurrence between two-level emitters.

Main Results:

• Demonstrated that nonreciprocal graphene plasmon polaritons can generate and mediate entanglement.
• Showcased significant enhancement and control of entanglement compared to vacuum.
• Identified these polaritons as a promising candidate for entanglement applications.

Conclusions:

• Nonreciprocal graphene plasmon polaritons are effective for generating and controlling quantum entanglement.
• Findings contribute to the development of quantum devices for efficient entanglement distribution.
• This research advances the goal of tunable entanglement for quantum technologies.