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Related Experiment Video

Updated: Jun 15, 2026

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
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Published on: May 30, 2014

Optical subpicosecond gate.

E A Marcatili

    Applied Optics
    |March 12, 2010
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces a novel integrated optics directional coupler. This device precisely controls subpicosecond optical pulses, enabling advancements in high-speed optical technologies.

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    Same author

    Computer simulation of the velocity matched gate.

    Applied opticsยท2010
    See all related articles

    Area of Science:

    • Integrated Optics
    • Optoelectronics
    • Nanophotonics

    Background:

    • Traditional optical devices face limitations in high-speed pulse manipulation.
    • Achieving precise control over ultrashort optical pulses is crucial for next-generation technologies.

    Purpose of the Study:

    • To describe a novel multipurpose directional coupler utilizing integrated optics.
    • To demonstrate its capability for ultrafast optical pulse manipulation.

    Main Methods:

    • Development of a velocity-matched directional coupler.
    • Integration of a narrowband microwave biasing signal synchronized with optical signals.
    • Characterization of the coupler's gating properties for subpicosecond pulses.

    Main Results:

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    • The developed coupler exhibits gating capabilities with switching times under 0.1 picoseconds.
    • The device allows for precise control over the generation, modulation, and multiplexing/demultiplexing of subpicosecond optical pulses.
    • Successful operation demonstrated across various optical wavelengths.

    Conclusions:

    • The velocity-matched directional coupler is a versatile tool for ultrafast optical signal processing.
    • This technology holds significant promise for advancing optical communication, spectroscopy, metrology, and optical computing.
    • Potential to push the boundaries in fields requiring subpicosecond pulse manipulation.