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Tera-sample-per-second single-shot device analyzer.

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    This study presents a novel instrument for ultra-fast characterization of electronic and optoelectronic devices. It achieves rapid frequency-response acquisition, crucial for high-bandwidth applications like 5G.

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    Area of Science:

    • Photonics
    • Electrical Engineering
    • Signal Processing

    Background:

    • Increasing demand for bandwidth in data centers and 5G mobile communications necessitates rapid characterization of wide-band devices.
    • Existing characterization methods may lack the speed and precision required for modern electronic and optoelectronic components.

    Purpose of the Study:

    • To report an instrument for extremely fast characterization of electronic and optoelectronic devices.
    • To achieve high effective sampling rates and ultra-low timing jitter for precise measurements.

    Main Methods:

    • Utilizes photonic time-stretch technology with phase diversity.
    • Employs automated digital signal processing, including time-series segmentation, frame alignment, impulse localization, and Tikhonov regularized deconvolution.
    • Enables single-shot impulse and frequency response measurements.

    Main Results:

    • Achieved a 27 ns frequency-response acquisition time.
    • Reached an effective sampling rate of 2.5 Tera-sample/s.
    • Obtained an ultra-low effective timing jitter of 5.4 fs.
    • Phase diversity eliminated frequency fading and extended system bandwidth.

    Conclusions:

    • The developed instrument offers unprecedented speed and precision for device characterization.
    • This technology is vital for advancing high-bandwidth applications in data centers and 5G.
    • The photonic time-stretch approach with advanced signal processing provides a robust solution for future electronic and optoelectronic device analysis.