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Related Experiment Video

Updated: May 21, 2026

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

Active nanoplasmonic metamaterials.

O Hess1, J B Pendry, S A Maier

  • 1The Blackett Laboratory, Department of Physics, Imperial College London, South Kensington Campus, London SW7 2AZ, UK. o.hess@imperial.ac.uk

Nature Materials
|June 22, 2012
PubMed
Summary
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Optical metamaterials and nanoplasmonics utilize optical gain to overcome metal losses, enabling loss-free operation and nanoscopic lasing. This review covers active nanoplasmonic metamaterials and their potential for advanced applications.

Area of Science:

  • Physics
  • Materials Science
  • Nanotechnology

Background:

  • Optical metamaterials and nanoplasmonics connect conventional optics with the nanoworld.
  • Applications include subwavelength focusing, stopped light, and invisibility cloaking.
  • Dissipative metal losses have limited practical implementations.

Purpose of the Study:

  • To review progress in active, gain-enhanced nanoplasmonic metamaterials.
  • To explain the theoretical concepts of plasmon-gain medium interaction.
  • To examine experimental efforts and future trends.

Main Methods:

  • Review of recent theoretical and experimental research.
  • Discussion of optical gain mechanisms in nanoplasmonic systems.
  • Analysis of experimental results in nanoplasmonic lasers.

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Related Experiment Videos

Last Updated: May 21, 2026

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

Fabrication of Periodic Gold Nanocup Arrays Using Colloidal Lithography
08:21

Fabrication of Periodic Gold Nanocup Arrays Using Colloidal Lithography

Published on: September 2, 2017

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

Main Results:

  • Optical gain can compensate for dissipative metal losses.
  • Loss-free operation, amplification, and nanoscopic lasing are achievable.
  • Active nanoplasmonic metamaterials show promise for various applications.

Conclusions:

  • Gain-enhanced nanoplasmonic metamaterials offer solutions to overcome fundamental limitations.
  • Future trends point towards improved active imaging and ultrafast nonlinearities.
  • Potential for cavity-free lasing in the stopped-light regime is highlighted.