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Related Experiment Video

Updated: Jan 8, 2026

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Single-phase modulated optical skyrmions for information security applications.

Laxminarayan, Kushal Kumar Tripathi, Praveen Kumar

    Optics Express
    |December 19, 2025
    PubMed
    Summary

    Optical skyrmions, with their protected structure, are used for secure image encoding and encryption. This research demonstrates a compact system for generating versatile optical skyrmions for information science applications.

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    Area of Science:

    • Photonics
    • Information Science
    • Topological Photonics

    Background:

    • Optical skyrmions possess unique topological properties and protected structures.
    • These properties offer potential for advanced photonics applications like information storage and optical communication.

    Purpose of the Study:

    • To demonstrate the application of optical skyrmions in information science, specifically for image encoding, decoding, and encryption.
    • To develop a compact and robust system for generating versatile optical skyrmions.

    Main Methods:

    • Utilized a single spatial light modulator for polarization-selective modulation.
    • Employed optical fields with a non-zero radial index to generate skyrmions.
    • Developed experimental configurations for producing optical skyrmions in fundamental laser beams.

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    Last Updated: Jan 8, 2026

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    Main Results:

    • Successfully generated versatile optical skyrmions using the proposed compact system.
    • Achieved high radial mode conversion effectiveness in fundamental laser beams.
    • Experimental and simulation results verified the system's feasibility for image encoding and encryption.

    Conclusions:

    • Optical skyrmions can be effectively applied to image encoding, decoding, and encryption.
    • The developed system provides a robust and compact method for generating versatile optical skyrmions.
    • This technique holds promise for secure information processing in advanced photonics.