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Related Experiment Video

Updated: Jul 10, 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

Low-reflection photonic-crystal taper for efficient coupling between guide sections of arbitrary widths.

A Talneau, Ph Lalanne, M Agio

    Optics Letters
    |November 21, 2007
    PubMed
    Summary

    We developed a new photonic crystal waveguide taper that significantly reduces reflection and improves light transmission in bends. This innovation enhances efficiency for optical devices.

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    Area of Science:

    • Photonics
    • Materials Science
    • Optical Engineering

    Background:

    • Photonic crystal waveguides offer unique light manipulation properties.
    • Efficient mode transformation and low-loss signal routing are critical for integrated photonic circuits.

    Purpose of the Study:

    • To design and fabricate a novel taper structure for adiabatic mode transformation in 2D photonic crystal waveguides.
    • To improve light coupling and reduce reflection between different waveguide types.

    Main Methods:

    • Fabrication of a new taper structure in a GaInAsP material system.
    • Experimental validation of taper efficiency by measuring reflection reduction.
    • Incorporation of the taper into a 60-degree bend for transmission simulations.

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    Microwave Photonics Systems Based on Whispering-gallery-mode Resonators
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    Published on: August 5, 2013

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

    Published on: February 25, 2017

    Related Experiment Videos

    Last Updated: Jul 10, 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

    Microwave Photonics Systems Based on Whispering-gallery-mode Resonators
    12:18

    Microwave Photonics Systems Based on Whispering-gallery-mode Resonators

    Published on: August 5, 2013

    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

    Main Results:

    • Achieved a reduction in reflection from 6% to less than 1% between an access ridge and a photonic crystal waveguide.
    • Simulations demonstrated a 90% transmission efficiency for a 60-degree bend incorporating the taper.

    Conclusions:

    • The novel taper structure enables efficient adiabatic mode transformation in photonic crystal waveguides.
    • This design significantly reduces insertion loss and improves signal integrity in optical bends.