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Related Experiment Video

Updated: Jun 23, 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

Electro-optical switching using coupled photonic crystal waveguides.

Ahmed Sharkawy, Shouyuan Shi, Dennis Prather

    Optics Express
    |May 20, 2009
    PubMed
    Summary
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    We developed a novel electro-optical switch using coupled photonic crystal waveguides. This device offers low insertion loss and optical crosstalk for efficient light signal control.

    Area of Science:

    • Photonics
    • Optoelectronics
    • Materials Science

    Background:

    • Photonic crystal waveguides offer unique light manipulation properties.
    • Efficient electro-optical switching is crucial for optical communication networks.

    Purpose of the Study:

    • To propose and analyze a novel electro-optical switch.
    • To investigate switching mechanisms in coupled photonic crystal waveguides.

    Main Methods:

    • Finite-Difference Time-Domain (FDTD) method for electromagnetic wave propagation.
    • Pulse Width Modulation (PWM) for device analysis.
    • Design in square lattice (silicon posts in air) and hexagonal lattice (air holes in silicon slab).

    Main Results:

    • Switching achieved by modulating the coupling coefficient via electrical or optical conductance changes.

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    An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation
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    Last Updated: Jun 23, 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

    A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
    07:56

    A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

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  • Low insertion loss predicted for both cross and bar states.
  • Low optical crosstalk predicted for both switching states.

    • Conclusions:

    • The proposed electro-optical switch demonstrates promising performance.
    • The device is suitable for applications requiring efficient optical signal control.