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Measurement of X-ray Beam Coherence along Multiple Directions Using 2-D Checkerboard Phase Grating
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Direct detection receiver for vortex beam.

Judy Kupferman, Shlomi Arnon

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    |September 6, 2018
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    Summary
    This summary is machine-generated.

    We developed a direct detection receiver for vortex beams in optical wireless communication. An array of annular detectors analyzes beam power, enabling secure and high-speed data center communication.

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    Area of Science:

    • Optical wireless communication systems
    • Electromagnetic wave theory
    • Photonics and optical devices

    Background:

    • Vortex beams offer unique properties for advanced optical wireless communication (OWC).
    • Direct detection receivers are crucial for efficiently capturing optical signals.
    • Analyzing the power distribution of vortex beams is key to optimizing receiver performance.

    Purpose of the Study:

    • To present the theory of a novel direct detection receiver for vortex beams in OWC systems.
    • To enable detailed analysis of vortex beam power distribution.
    • To explore design options and numerical optimization for the proposed receiver.

    Main Methods:

    • Theoretical modeling of a direct detection receiver for vortex beams.
    • Utilizing an array of annular detectors for power distribution analysis.
    • Numerical optimization of receiver design parameters.

    Main Results:

    • A detailed design and numerical optimization of the annular detector array are provided.
    • The performance of a seven-ring detector was found comparable to an optimized three-ring detector.
    • The proposed receiver design is suitable for high security and intra data center communication.

    Conclusions:

    • The developed direct detection receiver theory effectively analyzes vortex beam power distribution.
    • Optimized annular detector arrays can enhance OWC system capabilities.
    • This technology holds promise for secure communication and high-performance data center networks.