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Related Experiment Video

Updated: Jun 20, 2026

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
07:39

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

Published on: July 21, 2018

Polarization-sensitive surface plasmon Schottky detectors.

M Jestl, I Maran, A Köck

    Optics Letters
    |September 16, 2009
    PubMed
    Summary

    This study introduces a novel polarization detector utilizing surface plasmon polaritons in Schottky structures. The device enhances photocurrent based on light polarization, enabling unambiguous polarization determination.

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    Area of Science:

    • Optoelectronics
    • Plasmonics
    • Semiconductor Physics

    Background:

    • Schottky structures are key in optoelectronic devices.
    • Surface plasmon polaritons (SPPs) offer unique light-matter interaction properties.
    • Polarization detection is crucial for various optical applications.

    Purpose of the Study:

    • To present a novel polarization detector.
    • To leverage surface plasmon polaritons for enhanced photocurrent generation.
    • To enable unambiguous determination of light polarization.

    Main Methods:

    • Utilizing periodically corrugated metal surfaces in Schottky structures.
    • Exciting surface plasmon polaritons with specific light polarization.
    • Exploiting leaky modes at the metal-semiconductor interface to generate charge carriers.
    • Employing two detectors with different grating orientations.

    Main Results:

    • Demonstrated enhanced photocurrent generation.
    • Showcased strong dependence of photocurrent on incident light polarization angle.
    • Achieved unambiguous polarization determination using dual detectors.

    Conclusions:

    • The developed detector effectively utilizes SPPs for polarization sensing.
    • The device offers a sensitive and unambiguous method for polarization measurement.
    • This technology has potential applications in optical sensing and characterization.

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