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Related Experiment Video

Updated: May 27, 2026

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle
15:06

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

Published on: January 3, 2016

Subwavelength imaging using phase-conjugating nonlinear nanoantenna arrays.

Pai-Yen Chen1, Andrea Alù

  • 1Deparment of Electrical and Computer Engineering, The University of Texas at Austin, 1 University Station C0803, Austin, Texas 78712, United States.

Nano Letters
|November 18, 2011
PubMed
Summary

Researchers developed nonlinear metasurfaces for subwavelength imaging using phase conjugation and time reversal. This novel approach creates a

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Area of Science:

  • * Metasurfaces and Nanophotonics
  • * Nonlinear Optics and Plasmonics

Background:

  • * Subwavelength imaging faces resolution limits due to diffraction.
  • * Metasurfaces offer novel electromagnetic properties for advanced applications.

Purpose of the Study:

  • * To investigate nonlinear metasurfaces for subwavelength imaging.
  • * To realize imaging via phase conjugation and time reversal.
  • * To design a time-reversal 'perfect lens' overcoming conventional limitations.

Main Methods:

  • * Utilizing plasmonic nanoantennas loaded with nonlinear elements (χ(3)).
  • * Leveraging plasmonic resonance to enhance nonlinear response.
  • * Designing a system with two paired nonlinear metasurfaces.

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Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics
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Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics

Published on: May 28, 2016

Trapping of Micro Particles in Nanoplasmonic Optical Lattice
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Trapping of Micro Particles in Nanoplasmonic Optical Lattice

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Related Experiment Videos

Last Updated: May 27, 2026

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle
15:06

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

Published on: January 3, 2016

Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics
09:12

Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics

Published on: May 28, 2016

Trapping of Micro Particles in Nanoplasmonic Optical Lattice
07:20

Trapping of Micro Particles in Nanoplasmonic Optical Lattice

Published on: September 5, 2017

Main Results:

  • * Demonstrated efficient phase conjugation on an ultrathin surface.
  • * Proposed a realistic design for a time-reversal 'perfect lens'.
  • * The proposed lens overcomes resolution and loss limitations of negative-index lenses.

Conclusions:

  • * Nonlinear metasurfaces are a promising platform for subwavelength imaging.
  • * Phase conjugation and time reversal enable advanced imaging capabilities.
  • * The developed 'perfect lens' design offers superior performance over existing technologies.