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Related Experiment Video

Updated: Jun 22, 2026

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

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Published on: November 30, 2012

Tunable slow light device using quantum dot semiconductor laser.

P C Peng, C T Lin, H C Kuo

    Optics Express
    |June 18, 2009
    PubMed
    Summary
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    This study presents a tunable slow light device using quantum dot semiconductor lasers. The device offers adjustable slow light speeds for potential use in advanced communication systems.

    Area of Science:

    • Optoelectronics
    • Semiconductor Physics
    • Photonics

    Background:

    • Slow light phenomena enable control over light propagation speed.
    • Quantum dot (QD) lasers offer unique optical properties for device applications.

    Purpose of the Study:

    • To experimentally demonstrate a tunable slow light device.
    • To utilize quantum dot semiconductor lasers for slow light generation.
    • To explore applications in subcarrier multiplexed systems.

    Main Methods:

    • Fabrication of a quantum dot semiconductor laser on a GaAs substrate using molecular beam epitaxy.
    • Experimental demonstration of tunable slow light by adjusting bias current and wavelength detuning.
    • Operation of the slow light device with probe signals in the 5 to 10 GHz range.

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    Last Updated: Jun 22, 2026

    Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
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    Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

    Published on: November 30, 2012

    Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping
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    Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

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    Main Results:

    • Achieved tunable slow light using the fabricated quantum dot laser.
    • Demonstrated control over slow light by varying bias current and wavelength detuning.
    • Successfully integrated the tunable slow light device into a subcarrier multiplexed system.

    Conclusions:

    • Quantum dot semiconductor lasers are viable for creating tunable slow light devices.
    • The demonstrated device offers adjustable slow light characteristics.
    • The tunable slow light device shows potential for applications in high-speed optical communication.