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Related Experiment Videos

Quantum optics with surface plasmons.

D E Chang1, A S Sørensen, P R Hemmer

  • 1Physics Department and Institute for Quantum Science and Engineering, Harvard University, Cambridge, MA 02138, USA.

Physical Review Letters
|October 10, 2006
PubMed
Summary
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Researchers developed a method for strong coupling between optical emitters and plasmon excitations in nanostructures. This technique efficiently directs optical emission into plasmon modes, enabling on-demand single photon generation.

Area of Science:

  • Nanophotonics
  • Quantum Optics
  • Plasmonics

Background:

  • Coupling optical emitters to plasmonic nanostructures is crucial for controlling light at the nanoscale.
  • Achieving strong, coherent coupling is essential for efficient light manipulation and quantum applications.

Purpose of the Study:

  • To present a novel technique for strong, coherent coupling between individual optical emitters and guided plasmon excitations.
  • To demonstrate efficient redirection of optical emission into plasmon modes.
  • To showcase an application in on-demand single photon generation.

Main Methods:

  • Utilizing conducting nanostructures to support guided plasmon excitations at optical frequencies.
  • Engineering the interface between individual optical emitters and nanostructure plasmon modes.

Related Experiment Videos

  • Developing efficient outcoupling mechanisms from plasmon modes to dielectric waveguides.

    • Main Results:

    • Demonstrated strong, coherent coupling between optical emitters and guided plasmons.
    • Showcased that optical emission can be almost entirely directed into plasmon modes under realistic conditions.
    • Achieved efficient generation of single photons on demand via plasmon outcoupling.

    Conclusions:

    • The developed technique offers a powerful platform for controlling light-matter interactions at the nanoscale.
    • This method enables highly efficient light emission redirection, with significant implications for quantum information processing.
    • The demonstrated on-demand single photon source represents a key advancement in photonic technologies.