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    Third-order dispersion stabilizes Kerr frequency combs, which are crucial for optical frequency generation. This effect enhances the stability of cavity solitons, overcoming common instabilities in microresonators and fiber resonators.

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    Area of Science:

    • Nonlinear optics
    • Quantum optics
    • Photonics

    Background:

    • Kerr frequency combs are essential for precise optical frequency generation.
    • Their stability is often limited by various instabilities.
    • Microresonators and fiber resonators are key platforms for generating these combs.

    Purpose of the Study:

    • To investigate the impact of third-order dispersion on Kerr frequency combs.
    • To analyze the stability and nonlinear dynamics of these combs.
    • To understand how third-order dispersion affects cavity solitons and their collective behavior.

    Main Methods:

    • Numerical simulations using an extended Lugiato-Lefever equation.
    • Analysis of stability and nonlinear dynamics.
    • Examination of third-order dispersion effects on cavity solitons and snaking structures.

    Main Results:

    • Third-order dispersion significantly stabilizes Kerr frequency combs across a broad parameter range.
    • It mitigates oscillatory and chaotic instabilities affecting cavity solitons.
    • The snaking structure of multiple cavity solitons is altered, enhancing the stability of single-soliton Kerr combs.

    Conclusions:

    • Third-order dispersion is a critical factor for enhancing the stability of Kerr frequency combs.
    • This finding offers a pathway to more robust and controllable optical frequency generation.
    • The study provides insights into soliton dynamics in nonlinear optical systems.