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Updated: Oct 6, 2025

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation

Published on: September 27, 2011

Controllable atom-photon entanglement via quantum interference near plasmonic nanostructure.

Behzad Sangshekan¹, Mostafa Sahrai², Seyyed Hossein Asadpour³

¹Faculty of Physics, University of Tabriz, Tabriz, Iran. b.sangshekan@tabrizu.ac.ir.

Scientific Reports

|January 14, 2022

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This study introduces a five-level atomic system near a 2D plasmonic nanostructure to enhance atom-photon entanglement. Maximum entanglement is achieved with a control field, demonstrating nanostructure influence on quantum interference.

Area of Science:

Quantum Optics
Plasmonics
Atomic Physics

Background:

Atom-photon entanglement is crucial for quantum information processing.
Plasmonic nanostructures offer unique light-matter interaction properties.
Controlling quantum interference is key to manipulating entanglement.

Purpose of the Study:

To propose a five-level atomic system interacting with a 2D plasmonic nanostructure.
To investigate the influence of the nanostructure on atom-photon entanglement.
To explore the role of a control laser field in enhancing entanglement.

Main Methods:

Theoretical modeling of a five-level atomic system.
Analysis of atom-photon entanglement dynamics near a 2D plasmonic nanostructure.

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Last Updated: Oct 6, 2025

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation

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Simulation of quantum interference effects and control field influence.

Main Results:

Atom-photon entanglement is controllable via quantum interference induced by the plasmonic nanostructure.
Atomic distance to the nanostructure significantly affects entanglement degree.
Maximum atom-photon entanglement is observed in the presence of a control laser field.

Conclusions:

2D plasmonic nanostructures can effectively control atom-photon entanglement.
A control field enhances entanglement between an atom and its spontaneous emission field.
This system provides a pathway for advanced quantum entanglement applications.