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Updated: Oct 12, 2025

Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System

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Shaping the topology of light with a moving Rabi-oscillating vortex.

Lorenzo Dominici, Nina Voronova, David Colas

|November 23, 2021

Summary

Researchers observed quantum vortex self-splitting in microcavity polaritons, leading to complex dynamics like ultrafast spiraling and pair creation. This reveals insights into multi-component quantum fluids and topological light textures.

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Area of Science:

Quantum optics
Condensed matter physics
Nonlinear dynamics

Background:

Quantum vortices are fundamental to rotation and angular momentum in quantum systems.
Their dynamics are crucial for light shaping and topological entities in multi-component systems.

Purpose of the Study:

To investigate the dynamics of a quantum vortex in an open-dissipative fluid of microcavity polaritons.
To explore the manifestation of Bloch pseudospin space in vortex motion.

Main Methods:

Initiating directional motion of a quantum vortex in microcavity polaritons.
Observing vortex core dynamics and topological charge evolution.
Analyzing the influence of momentum, complex frequency, group velocities, Rabi frequency, and dissipation rates.

Main Results:

Observed self-splitting of the quantum vortex packet, causing trembling of the center of mass.
Documented ultrafast spiraling of the vortex core along diverging/converging circles.
Witnessed vortex-antivortex pair creation/annihilation and periodic topological charge changes.
Demonstrated that spiraling and branching directly map to the rotating and splitting Bloch pseudospin space.

Conclusions:

The observed dynamics confirm the richness of multi-component and open quantum fluids.
This study highlights the potential of polariton systems for creating sophisticated dynamical topological textures of light.