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Related Experiment Video

Updated: Jun 27, 2026

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
11:08

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

Squeezed state generation in photonic crystal microcavities.

M G Banaee1, Jeff F Young

  • 1Department of Physics and Astronomy, Advanced Materials and Process Engineering Laboratory, University of British Columbia, Vancouver, British Columbia, V6T 1Z4 Canada. mbanaee@seas.harvard.edu

Optics Express
|December 10, 2008
PubMed
Summary

This study explores generating squeezed light states using parametric down-conversion in photonic crystal microcavities. Researchers predict up to 30% squeezing below shot noise, advancing quantum optics applications.

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Area of Science:

  • Quantum Optics
  • Solid-State Physics
  • Nanophotonics

Background:

  • Parametric down-conversion is a key quantum optical process.
  • Photonic crystal microcavities offer unique light-matter interaction.
  • Generating squeezed states is crucial for quantum technologies.

Purpose of the Study:

  • Investigate the feasibility of generating squeezed electromagnetic states.
  • Utilize parametric down-conversion within 3D photonic crystal microcavities.
  • Theoretically calculate the spectrum and amount of squeezing.

Main Methods:

  • Employed an open cavity quantum mechanical formalism.
  • Modeled cavity interactions with radiation losses and waveguide coupling.
  • Used finite-difference time-domain simulations for parameter estimation.

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Last Updated: Jun 27, 2026

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
11:08

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

Generation and Coherent Control of Pulsed Quantum Frequency Combs
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  • Calculated correlation functions for field quadratures.

    • Main Results:

    • Predicted squeezing up to 30% below the shot noise level.
    • Squeezing achieved with realistic parameters for Al0.3Ga0.7As structures.
    • Identified optimal conditions for excitation pulses (10 mW, 80 MHz, 500 ps).

    Conclusions:

    • Demonstrated the feasibility of generating squeezed states in photonic crystal microcavities.
    • The theoretical framework provides a pathway for experimental realization.
    • This work advances the development of quantum light sources.