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Updated: May 26, 2026

Visible-light Induced Reduction of Graphene Oxide Using Plasmonic Nanoparticle
07:24

Visible-light Induced Reduction of Graphene Oxide Using Plasmonic Nanoparticle

Published on: September 22, 2015

Plasmon blockade in nanostructured graphene.

Alejandro Manjavacas1, Peter Nordlander, F Javier García de Abajo

  • 1IQFR-CSIC, Serrano 119, 28006 Madrid, Spain. a.manjavacas@csic.es

ACS Nano
|January 10, 2012
PubMed
Summary
This summary is machine-generated.

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Graphene nanodisks enable strong coupling with quantum emitters, leading to plasmon blockade and nonclassical states. This controllable effect paves the way for novel quantum plasmonic devices.

Area of Science:

  • Quantum Optics
  • Condensed Matter Physics
  • Nanotechnology

Background:

  • Graphene's tunable optical response via electrostatic doping.
  • Plasmon confinement in graphene nanodisks for strong coupling.
  • Quantum emitters (quantum dots, molecules) interacting with plasmons.

Purpose of the Study:

  • Investigate plasmon-plasmon interaction and plasmon blockade in graphene nanodisk systems.
  • Characterize nonlinear optical phenomena and nonclassical plasmon states.
  • Demonstrate control over plasmon blockade via graphene doping levels.

Main Methods:

  • Utilizing graphene nanodisks to achieve strong coupling with quantum emitters.
  • Studying the equal-time second-order correlation function g((2))(0) to identify nonclassical states.

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Evaluating Plasmonic Transport in Current-carrying Silver Nanowires
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Evaluating Plasmonic Transport in Current-carrying Silver Nanowires

Published on: December 11, 2013

Fabrication of Gate-tunable Graphene Devices for Scanning Tunneling Microscopy Studies with Coulomb Impurities
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Fabrication of Gate-tunable Graphene Devices for Scanning Tunneling Microscopy Studies with Coulomb Impurities

Published on: July 24, 2015

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Last Updated: May 26, 2026

Visible-light Induced Reduction of Graphene Oxide Using Plasmonic Nanoparticle
07:24

Visible-light Induced Reduction of Graphene Oxide Using Plasmonic Nanoparticle

Published on: September 22, 2015

Evaluating Plasmonic Transport in Current-carrying Silver Nanowires
09:00

Evaluating Plasmonic Transport in Current-carrying Silver Nanowires

Published on: December 11, 2013

Fabrication of Gate-tunable Graphene Devices for Scanning Tunneling Microscopy Studies with Coulomb Impurities
11:42

Fabrication of Gate-tunable Graphene Devices for Scanning Tunneling Microscopy Studies with Coulomb Impurities

Published on: July 24, 2015

  • Modulating graphene doping levels to control plasmon-emitter coupling and plasmon blockade.

    • Main Results:

    • Observed plasmon blockade effect due to quantum emitter-induced plasmon-plasmon interaction.
    • Demonstrated strongly nonlinear absorption cross sections and modified bosonic plasmon mode statistics.
    • Confirmed the existence of nonclassical plasmon states by g((2))(0) < 1.
    • Showcased efficient control over plasmon blockade by tuning graphene nanodisk doping.

    Conclusions:

    • Graphene nanodisks coupled with quantum emitters offer a promising platform for quantum plasmonics.
    • The plasmon blockade effect is controllable and leads to nonclassical phenomena.
    • This system has potential for developing quantum plasmonic devices for single-photon/plasmon level optical signal commutation.