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Generation and Coherent Control of Pulsed Quantum Frequency Combs
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Reconfigurable electro-optical directed-logic circuit using carrier-depletion micro-ring resonators.

Ciyuan Qiu, Weilu Gao, Richard Soref

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    |December 16, 2014
    PubMed
    Summary
    This summary is machine-generated.

    This study presents a reconfigurable electro-optical directed-logic circuit using integrated optical switches. This novel circuit can perform any combinational logic operation at high speeds up to 3 GB/s.

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    Area of Science:

    • Photonics
    • Integrated Optics
    • Optical Computing

    Background:

    • Traditional logic circuits face limitations in speed and power consumption.
    • Reconfigurable optical circuits offer potential for enhanced computational capabilities.

    Purpose of the Study:

    • To demonstrate a reconfigurable electro-optical directed-logic circuit.
    • To achieve high-speed switching and arbitrary logic function implementation.

    Main Methods:

    • Utilized a regular array of integrated optical switches, each comprising a micro-ring resonator with a p-n junction and micro-heater.
    • Achieved high-speed on-off switching via electrical signals and configured operation modes through thermal tuning of resonance wavelengths.

    Main Results:

    • Successfully fabricated a multi-spectral directed-logic circuit with a fourfold array of switches.
    • Demonstrated reconfiguration to perform arbitrary two-input logic functions at speeds up to 3 GB/s.

    Conclusions:

    • The developed electro-optical circuit is reconfigurable for diverse combinational logic operations.
    • This technology paves the way for high-speed, flexible optical computing architectures.