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Killian Guerrero1, Kévin Falque1, Elisabeth Giacobino1

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This summary is machine-generated.

Researchers created stable, multiply charged quantized vortices in polaritonic fluids of light. Intrinsic losses stabilized these vortices, enabling phase pinning and opening avenues for studying amplification phenomena in quantum systems.

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Area of Science:

  • Quantum fluids
  • Quantum optics
  • Condensed matter physics

Background:

  • Quantized vortices are fundamental to quantum mechanics and quantum fluids.
  • Vortices are typically unstable excited states, prone to relaxation.
  • Driven-dissipative systems offer unique possibilities for vortex manipulation.

Purpose of the Study:

  • To create and study stationary, multiply charged quantized vortices.
  • To investigate the role of driven-dissipation and intrinsic losses in vortex stability.
  • To explore the potential for phase pinning and amplification phenomena.

Main Methods:

  • Utilizing polaritonic fluids of light, a driven-dissipative quantum fluid.
  • Exciting the fluid to form vortices.
  • Measuring the spectrum of collective excitations.

Main Results:

  • Stationary, multiply charged quantized vortices were successfully created.
  • Negative energy modes were observed at the vortex core, and positive energy modes at larger radii.
  • Intrinsic losses stabilized the system, overcoming inherent dynamical instability.
  • Macroscopic phase pinning by the pump was achieved.

Conclusions:

  • Driven-dissipative polaritonic fluids can host stable, multiply charged quantized vortices.
  • Intrinsic losses are key to stabilizing these vortices and enabling phase pinning.
  • The observed phenomena are generic and relevant to other quantum fluids and rotating systems.