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Related Concept Videos

Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials10:35

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Disordered structures offer new mechanisms for forming photonic bandgaps and unprecedented freedom in functional-defect designs. To circumvent the computational challenges of disordered systems, we construct modular macroscopic samples of the new class of PBG materials and use microwaves to characterize their scale-invariant photonic properties, in an easy and inexpensive...
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Related Experiment Video

Updated: Jan 19, 2026

Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials
10:35

Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials

Published on: September 26, 2014

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Photonic compressive receiver for multiple microwave frequency measurement.

Sitong Wang, Guiling Wu, Yiwei Sun

    Optics Express
    |September 13, 2019
    PubMed
    Summary

    We developed a photonic compressive receiver for microwave frequency measurement. This system maps signal frequencies to time intervals, achieving a wide measurement range and high resolution.

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    Area of Science:

    • Photonics
    • Microwave Engineering
    • Signal Processing

    Background:

    • Accurate and efficient measurement of multiple microwave frequencies is crucial for various applications.
    • Existing methods may face limitations in terms of range, resolution, or complexity.

    Purpose of the Study:

    • To introduce a novel photonic compressive receiver for simultaneous multiple microwave frequency measurement.
    • To theoretically analyze and experimentally validate the performance of the proposed receiver.

    Main Methods:

    • Utilizing a photonic compressive receiver where frequency information is encoded into time intervals between compressed pulses.
    • Deriving theoretical expressions for measurement error, resolution, and effective measurement range.
    • Investigating the impact of dispersion deviation and electrical bandwidth.

    Main Results:

    • The receiver maps signal frequencies directly to time intervals between compressed pulses.
    • Theoretical predictions for measurement error, resolution, and range were derived and verified.
    • An experimental setup achieved an effective measurement range of 42 GHz, a resolution of 1.2 GHz, and an accuracy of 88 MHz within a 27 ns interception period.

    Conclusions:

    • The photonic compressive receiver offers a viable solution for multi-frequency microwave signal analysis.
    • The demonstrated system achieves significant performance metrics, including a broad measurement range and high resolution.
    • This technology has potential applications in areas requiring rapid and precise microwave frequency detection.