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    Area of Science:

    • Photonics
    • Optical Computing
    • Semiconductor Devices

    Background:

    • High-speed optical logic gates are crucial for advanced optical communication networks.
    • Semiconductor optical amplifiers (SOAs) offer potential for integrated photonic devices.

    Purpose of the Study:

    • To experimentally demonstrate all-optical NOR, OR, and AND logic gates at 100 Gb/s.
    • To investigate the reconfigurability of these logic gates.
    • To analyze the impact of optical filter parameters and SOA length on performance.

    Main Methods:

    • Utilized a single semiconductor optical amplifier (SOA) for all-optical logic operations.
    • Employed optical filtering, specifically a tunable optical band pass filter (OBPF).
    • Reconfigured logic functions by controlling continuous wave (CW) light input and OBPF settings.

    Main Results:

    • Successfully demonstrated all-optical NOR, OR, and AND gates at 100 Gb/s.
    • Achieved high-quality output signals, confirmed by clear eye diagrams and low bit error rates (BER).
    • Investigated the influence of OBPF parameters and SOA device length on gate performance.

    Conclusions:

    • A single SOA with optical filtering enables efficient and reconfigurable all-optical logic gates.
    • The demonstrated approach is suitable for high-speed optical signal processing.
    • Further optimization of filter parameters and SOA design can enhance performance.