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Related Experiment Video

Updated: May 9, 2026

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation
09:29

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation

Published on: September 27, 2011

Nonreciprocal rotating power flow within plasmonic nanostructures.

Arthur R Davoyan1, Nader Engheta

  • 1Department of Electrical and Systems Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA. davoyan@seas.upenn.edu

Physical Review Letters
|August 13, 2013
PubMed
Summary

We demonstrate nanoscale nonreciprocity in plasmonic nanostructures using magneto-optical materials. This breaks time-reversal symmetry, enabling control over electromagnetic fields for advanced optical devices.

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Area of Science:

  • Plasmonics and Nanophotonics
  • Magneto-optics
  • Condensed Matter Physics

Background:

  • Subwavelength plasmonic nanostructures offer unique light-matter interactions.
  • Magneto-optical materials exhibit tunable optical properties in response to magnetic fields.
  • Controlling electromagnetic fields at the nanoscale is crucial for advanced optical technologies.

Purpose of the Study:

  • To theoretically investigate nonreciprocal manipulation of electromagnetic fields.
  • To explore the use of subwavelength plasmonic nanostructures in magneto-optical materials.
  • To demonstrate nanoscale nonreciprocity through time-reversal symmetry breaking.

Main Methods:

  • Derivation of an analytical model for plasmonic resonances.
  • Numerical simulations of plasmon excitations in hybrid nanostructures.

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Performing Spectroscopy on Plasmonic Nanoparticles with Transmission-Based Nomarski-Type Differential Interference Contrast Microscopy
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Published on: June 5, 2019

Trapping of Micro Particles in Nanoplasmonic Optical Lattice
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Related Experiment Videos

Last Updated: May 9, 2026

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation
09:29

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation

Published on: September 27, 2011

Performing Spectroscopy on Plasmonic Nanoparticles with Transmission-Based Nomarski-Type Differential Interference Contrast Microscopy
08:54

Performing Spectroscopy on Plasmonic Nanoparticles with Transmission-Based Nomarski-Type Differential Interference Contrast Microscopy

Published on: June 5, 2019

Trapping of Micro Particles in Nanoplasmonic Optical Lattice
07:20

Trapping of Micro Particles in Nanoplasmonic Optical Lattice

Published on: September 5, 2017

  • Analysis of near-zone power flow and symmetry breaking.

    • Main Results:

    • A strong, magneto-optically induced time-reversal symmetry breaking was predicted.
    • Localized plasmonic resonances in topologically symmetric structures were analyzed.
    • Considerable near-zone power flow rotation was observed in hybrid nanostructures.

    Conclusions:

    • Nanoscale nonreciprocity was demonstrated in plasmonic nanostructures.
    • Magneto-optical effects can effectively tune plasmonic phenomena.
    • This work provides a new mechanism for nanoscale optical control.