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Vector optomechanical entanglement.

Ying Li1, Ya-Feng Jiao1, Jing-Xue Liu1

  • 1Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education, Department of Physics and Synergetic Innovation Center for Quantum Effects and Applications, Hunan Normal University, Changsha 410081, China.

Nanophotonics (Berlin, Germany)
|December 5, 2024
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Summary
This summary is machine-generated.

We demonstrate a method to switch optomechanical entanglement using polarized light. This control allows for reversible switching between optical transverse electric and magnetic modes, crucial for quantum networks.

Keywords:
cavity optomechanicspolarizationquantum entanglement

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Area of Science:

  • Quantum optics
  • Optomechanics
  • Quantum information science

Background:

  • Optical field polarization offers advanced control over light-matter interactions beyond intensity.
  • Optomechanical systems couple mechanical oscillators to optical cavities, enabling quantum phenomena.

Purpose of the Study:

  • To propose and demonstrate a method for coherent switching of optomechanical entanglement.
  • To explore the role of optical field polarization in controlling quantum entanglement.

Main Methods:

  • Utilizing a polarized-light-driven cavity system.
  • Tuning the polarization of the driving optical field.
  • Analyzing the resulting changes in optomechanical coupling and entanglement.

Main Results:

  • Achieved coherent and reversible switching of optomechanical entanglement.
  • Demonstrated control over entanglement between mechanical oscillators and optical transverse electric/magnetic modes.
  • Showcased the ability to switch entanglement by manipulating driving field polarizations.

Conclusions:

  • Polarization control of driving fields offers a vectorial method to switch optomechanical entanglement.
  • This technique is vital for developing quantum networks with efficient quantum information exchange.
  • The proposed system facilitates robust quantum information transfer between stationary and flying qubits.