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A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:
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Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator
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Normal dispersion Kerr cavity solitons: beyond the mean-field limit.

Thomas G Seidel, Julien Javaloyes, Svetlana V Gurevich

    Optics Letters
    |December 13, 2024
    PubMed
    Summary

    We predict novel bright temporal localized structures in injected Kerr-Gires-Tournois interferometers (KGTI). These stable pulses, found beyond the mean-field limit, show promise for optical frequency comb generation.

    Area of Science:

    • Nonlinear optics
    • Quantum optics
    • Photonics

    Background:

    • Kerr-Gires-Tournois interferometers (KGTIs) are key components in nonlinear optics.
    • Understanding localized structures is crucial for advanced optical applications.
    • Previous research focused on domain wall locking in bistable regimes.

    Purpose of the Study:

    • To predict a novel type of temporal localized structure in injected KGTIs.
    • To characterize these structures and their stability.
    • To explore their potential for optical frequency comb (OFC) generation.

    Main Methods:

    • Theoretical prediction of temporal localized structures.
    • Numerical simulations in the normal dispersion regime.
    • Analysis beyond the mean-field limit and out of the bistable region.

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    Main Results:

    • Existence of unique bright temporal localized structures predicted.
    • These structures possess peak intensities exceeding the upper steady state.
    • Stability observed over a broad range of injection field parameters.

    Conclusions:

    • Novel stable bright temporal localized structures exist in injected KGTIs.
    • These states are distinct from previously known domain wall locking phenomena.
    • The predicted structures offer significant potential for generating optical frequency combs.