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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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Related Experiment Video

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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

Enhanced photonic crystal cavity-waveguide coupling using local slow-light engineering.

K Mnaymneh1, S Frédérick, D Dalacu

  • 1Department of Physics, University of Ottawa, Ottawa, Canada. khaled.mnaymneh@gmail.com

Optics Letters
|August 3, 2012
PubMed
Summary
This summary is machine-generated.

This study presents a new photonic crystal system with enhanced cavity-waveguide coupling using slow-light engineering. This design increases light transmittance, paving the way for advanced planar lightwave circuits and quantum information processing.

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Last Updated: May 19, 2026

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Area of Science:

  • Photonics
  • Optical Engineering
  • Condensed Matter Physics

Background:

  • Planar lightwave circuits are crucial for integrated photonics.
  • Efficient coupling between optical cavities and waveguides is essential for device performance.
  • Slow-light phenomena offer unique opportunities for light manipulation in photonic crystals.

Purpose of the Study:

  • To introduce and analyze an enhanced cavity-waveguide coupling architecture.
  • To leverage slow-light engineering in a two-port photonic crystal system.
  • To demonstrate increased transmittance through improved coupling.

Main Methods:

  • Theoretical analysis using coupled-mode theory.
  • Experimental probing of a two-port photonic crystal system.
  • Characterization of system transmittance.

Main Results:

  • The proposed architecture exhibits enhanced cavity-waveguide coupling.
  • Increased system transmittance was experimentally verified.
  • The slow-light engineering approach proved effective.

Conclusions:

  • The developed coupling architecture significantly enhances light transmittance.
  • This approach is suitable for next-generation planar lightwave circuitry.
  • Potential applications include on-chip quantum information processing and light-matter sensing.