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Related Experiment Video

Updated: Mar 18, 2026

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
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Robust hybrid quantum dot laser for integrated silicon photonics.

Géza Kurczveil, Di Liang, Marco Fiorentino

    Optics Express
    |July 14, 2016
    PubMed
    Summary

    Researchers developed the first quantum dot (QD) laser on silicon, enabling efficient light coupling to silicon waveguides. This breakthrough supports uncooled, multiwavelength laser sources for advanced photonic applications.

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    Area of Science:

    • Optoelectronics
    • Materials Science
    • Nanotechnology

    Background:

    • Quantum dot (QD) lasers offer potential for compact and efficient light sources.
    • Integration with silicon photonics is crucial for scalable photonic integrated circuits.
    • Existing QD laser technologies face challenges in efficient light extraction and thermal stability.

    Purpose of the Study:

    • To demonstrate the first quantum dot laser integrated onto a silicon substrate.
    • To achieve efficient optical coupling between the QD gain medium and a silicon waveguide.
    • To explore the potential for CMOS-compatible, uncooled, wavelength-division multiplexing (WDM) sources.

    Main Methods:

    • Epitaxial growth of quantum dots on a silicon substrate.
    • Fabrication of a QD laser structure with integrated silicon waveguides.

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    Last Updated: Mar 18, 2026

    Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
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    Generation and Coherent Control of Pulsed Quantum Frequency Combs
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  • Characterization of optical output, including continuous wave (CW) operation and multiwavelength emission.

    • Main Results:

    • Successful demonstration of the first QD laser on a silicon platform.
    • Efficient coupling of laser light into the underlying silicon waveguide.
    • Stable continuous wave operation achieved up to 100 °C.
    • Demonstration of multiwavelength operation from the QD laser.

    Conclusions:

    • The developed QD-on-silicon laser represents a significant advancement in integrated photonics.
    • This technology paves the way for highly efficient, uncooled, CMOS-compatible WDM laser sources.
    • The integration enables on-chip light generation and manipulation for future optical communication and computing systems.