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Updated: Jul 12, 2026

Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment

Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment

Published on: April 4, 2017

Synthetic Spatiotemporal Plasmonic Vortices on Chip.

Qian Chen^1,2, Shuoshuo Zhang^2,3, Guoyu Xian⁴

¹Southern University of Science and Technology, Department of Physics, State Key Laboratory of Quantum Functional Materials, and Guangdong Basic Research Center of Excellence for Quantum Science, Shenzhen 518055, China.

Physical Review Letters

|July 10, 2026

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Researchers introduce spatiotemporal plasmonic vortices, a novel class of light structures with unique spin textures. These vortices enable precise control and imaging of nanometer-attosecond dynamics, opening new avenues for quantum matter research.

Area of Science:

Optics and Photonics
Condensed Matter Physics
Quantum Science

Background:

Spatiotemporal vortices are light modes that combine orbital angular momentum in both space and time.
Understanding their complex dynamics is crucial for advanced optical applications.

Purpose of the Study:

Introduce a new class of light structures: spatiotemporal plasmonic vortices.
Investigate their generation, properties, and potential applications in quantum matter research.

Main Methods:

Chronotopic interference of temporally delayed plasmonic eigenvortices.
Interferometric time-resolved photoemission electron microscopy (PEEM).
Quantum-path analysis of coherent two-photon photoemission.

Main Results:

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Last Updated: Jul 12, 2026

Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment

Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment

Published on: April 4, 2017

Trapping of Micro Particles in Nanoplasmonic Optical Lattice

Trapping of Micro Particles in Nanoplasmonic Optical Lattice

Published on: September 5, 2017

Scanning SQUID Study of Vortex Manipulation by Local Contact

Scanning SQUID Study of Vortex Manipulation by Local Contact

Published on: February 1, 2017

Generation of spatiotemporal plasmonic vortices with nontrivial topological spin textures.
Direct imaging of nanometer-attosecond evolution and control over vortex properties.
Observation of focus-defocus dynamics emulating U(1) gauge transitions.
Revealed nonlinear plasmonic polarization fields and angular-momentum conservation.

Conclusions:

Spatiotemporal plasmonic vortices offer a new platform for studying spatiotemporally structured quantum matter.
Demonstrated precise control over vortex number and position.
Established a link between light structure and quantum phenomena.