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Plasmonic Dirac-vortex lasers via three-dimensional photonic mass vortices engineering
Mou Zhong1, Xiaoqiong Bi2, Mengyuan Song2
1School of Science and Engineering, The Chinese University of Hong Kong (Shenzhen), Shenzhen, Guangdong, P. R. China.
Nature Communications
|March 20, 2026
Summary
Researchers developed new plasmonic Dirac-vortex lasers by engineering photonic mass vortices. This allows for precise control over light
Area of Science:
- Photonics and Materials Science
Background:
- Topological photonic crystals offer light manipulation but are limited by lattice symmetries.
- Achieving diverse far-field beam profiles and polarization states remains a challenge.
Purpose of the Study:
- To demonstrate plasmonic Dirac-vortex lasers with engineered photonic mass vortices.
- To achieve controlled polarization and intensity distributions in laser output.
- To explore multi-dimensional cavity engineering for novel photonic states.
Main Methods:
- Designed plasmonic Dirac-vortex cavities using honeycomb lattices of aluminum nanoparticles.
- Engineered photonic mass vortices via distorted unit cells in an angular winding configuration.
- Manipulated nanoparticle radial/azimuthal displacements and size to control light properties.
- Integrated organic dye molecules within cavities for experimental realization.
Main Results:
- Predicted and experimentally demonstrated far-field radiation with spatially programmable polarization.
- Achieved asymmetric intensity distributions in the laser output.
- Showcased the ability to sculpt exotic photonic states.
Conclusions:
- Established a paradigm for multi-dimensional mass-enabled cavity engineering.
- Demonstrated a flexible platform for controlling light properties.
- Highlighted broad implications for photonic circuits, quantum devices, and bosonic systems.
