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Related Concept Videos

Standing Waves in a Cavity01:28

Standing Waves in a Cavity

A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:
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Fabrication and Characterization of Disordered Polymer Optical Fibers for Transverse Anderson Localization of Light
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Fabrication and Characterization of Disordered Polymer Optical Fibers for Transverse Anderson Localization of Light

Published on: July 29, 2013

Cavity quantum electrodynamics with Anderson-localized modes.

Luca Sapienza1, Henri Thyrrestrup, Søren Stobbe

  • 1DTU Fotonik, Department of Photonics Engineering, Technical University of Denmark, Ørsteds Plads 343, DK-2800 Kgs. Lyngby, Denmark. lucs@fotonik.dtu.dk

Science (New York, N.Y.)
|March 13, 2010
PubMed
Summary
This summary is machine-generated.

Researchers used disorder in photonic crystals to boost light-matter interactions for quantum technologies. This approach enhances single photon emission and coupling, creating robust quantum devices.

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Area of Science:

  • Quantum optics
  • Quantum information technology
  • Materials science

Background:

  • Enhancing light-matter interactions is crucial for quantum technologies.
  • Traditional optical cavities are sensitive to fabrication imperfections.

Purpose of the Study:

  • To explore using disorder as a resource for light-matter interaction enhancement.
  • To develop a robust platform for quantum information devices.

Main Methods:

  • Deliberately introduced disorder into photonic crystal waveguides.
  • Generated Anderson-localized cavity modes.
  • Embedded semiconductor quantum dots to act as quantum emitters.

Main Results:

  • Achieved a 15-fold enhancement in quantum dot emission rate.
  • Demonstrated 94% coupling efficiency of single photons to Anderson-localized modes.
  • Showcased the potential of disordered photonic media for quantum applications.

Conclusions:

  • Disorder can be leveraged as a resource in photonic systems.
  • Anderson localization in photonic crystals provides an efficient platform for quantum electrodynamics.
  • This method offers a pathway to disorder-robust quantum information devices.