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We demonstrate electrically tunable optical solitons in multilayer graphene. This breakthrough enables the generation of entangled and squeezed solitons, merging quantum photonics with superconducting systems.

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Area of Science:

  • Nonlinear optics
  • Condensed matter physics
  • Quantum information science

Background:

  • Graphene's unique electronic properties offer novel ways to control light.
  • Optical solitons are self-reinforcing light waves with potential applications in communications and computing.
  • Controlling soliton dynamics electrically is a key challenge in photonic device development.

Purpose of the Study:

  • To investigate the electrically controlled evolution of coupled optical solitons in a multilayer graphene medium.
  • To explore the generation of entangled and squeezed optical solitons using electrical perturbation.
  • To establish a hybrid platform combining quantum photonics and quantum superconducting systems.

Main Methods:

  • Theoretical investigation of coupled optical soliton dynamics.
  • Modeling multilayer graphene subjected to microwave voltage biasing.
  • Analysis of the effective permittivity perturbation due to electrical biasing.

Main Results:

  • Coupled optical solitons emerge and evolve within the multilayer graphene.
  • Soliton properties are electrically tunable via microwave voltage amplitude and frequency.
  • Generation of entangled optical solitons and two-mode squeezed solitons is demonstrated.
  • A hybrid interaction platform is established for quantum applications.

Conclusions:

  • Electrically controlled optical solitons in graphene are feasible.
  • This approach provides a novel method for generating quantum-correlated optical solitons.
  • The study paves the way for integrating photonic and superconducting quantum technologies.