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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

Modal conversion with artificial materials for photonic-crystal waveguides.

Philippe Lalanne, A Talneau

    Optics Express
    |May 14, 2009
    PubMed
    Summary

    We demonstrate efficient adiabatic mode transformations in photonic-crystal integrated circuits using tapered holes. This approach achieves high transmission efficiency for mode conversion between different waveguide types.

    Area of Science:

    • Photonics
    • Integrated Optics
    • Materials Science

    Background:

    • Photonic-crystal integrated circuits offer unique light manipulation capabilities.
    • Efficient mode transformation is crucial for interconnecting different photonic components.

    Purpose of the Study:

    • To investigate adiabatic mode transformations in photonic-crystal integrated circuits.
    • To develop a compact and efficient mode transformer for waveguide coupling.

    Main Methods:

    • Utilizing a triangular lattice of holes etched into a planar waveguide.
    • Employing progressively varying hole dimensions to create a gradient effective index.
    • Performing three-dimensional exact electromagnetic theory calculations.

    Main Results:

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    Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation

    Published on: February 25, 2017

    Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials
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    Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials

    Published on: September 26, 2014

    Related Experiment Videos

    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

    Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation
    13:02

    Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation

    Published on: February 25, 2017

    Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials
    10:35

    Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials

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    • Achieved high transmission over a wide frequency range.
    • Demonstrated a mode transformer with a length of lambda/2.
    • Obtained a spectral-averaged transmission efficiency of 92% for tapering between ridge and photonic crystal waveguides.

    Conclusions:

    • Adiabatic mode transformations using engineered hole dimensions are effective for photonic circuits.
    • The proposed mode transformer is compact and highly efficient, showing practical utility.