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Updated: Dec 13, 2025

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements
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Single-shot omnidirectional Stokes polarimetry.

Mahdi Eshaghi, Aristide Dogariu

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    Summary
    This summary is machine-generated.

    This study introduces a novel single-shot Stokes polarimetry method for fast polarization state measurement. It overcomes limitations of traditional techniques by analyzing interference patterns without assuming wave propagation direction.

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    Area of Science:

    • Optics and Photonics
    • Electromagnetics
    • Remote Sensing

    Background:

    • Active sensing applications require rapid measurement of target reflection polarization states.
    • Traditional polarimetry often assumes field transversality and known wave propagation direction.
    • These assumptions complicate 3D field analysis due to detector array geometry.

    Purpose of the Study:

    • To demonstrate a single-shot Stokes polarimetry approach.
    • To overcome limitations of traditional polarimetry in measuring polarization states.
    • To enable fast polarization measurements without prior knowledge of wave propagation.

    Main Methods:

    • Employs a single-shot measurement technique.
    • Utilizes spatial Fourier analysis of interference patterns.
    • Interference is created between the unknown wave and controlled reference fields.

    Main Results:

    • Successfully demonstrated a novel Stokes polarimetry approach.
    • The method alleviates limitations of traditional polarimetry.
    • Enables measurement of polarization states without assuming field transversality or propagation direction.

    Conclusions:

    • The developed single-shot Stokes polarimetry is effective for active sensing.
    • It simplifies polarization state measurement in complex scenarios.
    • This technique offers a faster and more versatile alternative to conventional methods.