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CMOS-compatible plenoptic detector for LED lighting applications.

Alexander Neumann, Javad Ghasemi, Shima Nezhadbadeh

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    |September 15, 2015
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    This summary is machine-generated.

    New smart lighting systems use multiple LEDs for efficiency and communication. A novel silicon detector precisely measures light angle and wavelength, enabling advanced control for these systems.

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    Area of Science:

    • Optoelectronics
    • Solid-state lighting
    • Integrated photonics

    Background:

    • Advanced LED lighting systems offer enhanced efficiency, human health benefits, and visible light communication (VLC) capabilities.
    • Controlling these smart lighting systems necessitates a silicon-integrated-circuit-compatible detector capable of sensing both light angle and wavelength.
    • Existing detectors lack the required resolution and integration capabilities for sophisticated LED control.

    Purpose of the Study:

    • To develop and demonstrate a silicon-compatible plenoptic detector for smart LED lighting systems.
    • To achieve high angular and wavelength resolution for precise light analysis.
    • To enable advanced control functionalities for next-generation lighting and communication.

    Main Methods:

    • Design and fabrication of an offset-grating-coupled dielectric waveguide structure.
    • Integration of a silicon photodetector with the waveguide.
    • Characterization of the detector's angular and wavelength resolution.

    Main Results:

    • Demonstration of a plenoptic detector element with angular resolution below 1 degree.
    • Achieved wavelength resolution of less than 5 nanometers.
    • The detector is compatible with silicon integrated circuits.

    Conclusions:

    • The developed detector meets the critical requirements for controlling smart LED lighting systems.
    • This technology paves the way for enhanced lighting efficiency, improved human well-being, and robust visible light communication.
    • Further integration and optimization can unlock broader applications in sensing and imaging.