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Multipath wave-particle duality in classical optics.

Bibhash Paul, Sammi Kamal, Tabish Qureshi

    Optics Letters
    |June 16, 2020
    PubMed
    Summary

    This study explores wave-particle duality in multipath interference, extending classical optics concepts. New definitions reveal visibility relates to multipoint optical coherence, offering a generalized duality relation.

    Area of Science:

    • Classical Optics
    • Quantum Optics
    • Wave-Particle Duality

    Background:

    • Interference visibility in two-beam light interference is linked to optical coherence.
    • Mutual coherence enables derivation of wave-particle duality relations in classical optics.

    Purpose of the Study:

    • To analyze wave-particle duality within the broader framework of multipath interference.
    • To introduce novel definitions for interference visibility and path distinguishability.
    • To establish a generalized duality relation applicable to multipath interference scenarios.

    Main Methods:

    • Analysis of classical optics principles applied to multipath interference.
    • Introduction of new quantitative definitions for interference visibility and path distinguishability.

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  • Derivation of a generalized wave-particle duality relation.

    • Main Results:

    • Established a generalized duality relation for multipath interference.
    • Demonstrated that interference visibility is connected to a novel multipoint optical coherence function.
    • Extended the understanding of wave-particle duality beyond two-beam interference.

    Conclusions:

    • The study provides a generalized framework for understanding wave-particle duality in multipath interference.
    • Introduced a new multipoint optical coherence function crucial for characterizing multipath interference visibility.
    • Highlights the applicability of classical optics concepts to fundamental quantum phenomena.