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In the macroscopic world, objects that are large enough to be seen by the naked eye follow the rules of classical physics. A billiard ball moving on a table will behave like a particle; it will continue traveling in a straight line unless it collides with another ball, or it is acted on by some other force, such as friction. The ball has a well-defined position and velocity or well-defined momentum, p = mv, which is defined by mass m and velocity v at any given moment. This is the typical...
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Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator
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Published on: December 15, 2021

Bragg-type soliton mirror.

Yaroslav Kartashov, Victor Vysloukh, Lluis Torner

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    |June 9, 2009
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    Soliton behavior at optical lattice interfaces can be controlled. Researchers found that adjusting the lattice

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    Area of Science:

    • Nonlinear optics
    • Condensed matter physics
    • Photonics

    Background:

    • Solitons are self-reinforcing wave packets.
    • Optical lattices create periodic variations in refractive index.
    • Kerr nonlinearity describes intensity-dependent refractive index changes.

    Purpose of the Study:

    • Investigate soliton dynamics at the interface between a uniform medium and an optical lattice.
    • Explore methods for controlling soliton reflection and transmission.
    • Analyze the nonlinear Snell law in this context.

    Main Methods:

    • Theoretical analysis of soliton interactions.
    • Numerical simulations of wave propagation in nonlinear optical media.
    • Modeling of optical lattices with focusing Kerr nonlinearity.

    Main Results:

    • Demonstrated rich control over soliton reflection and transmission coefficients.
    • Identified spatial frequency and depth of refractive index modulation as key control parameters.
    • Observed novel phenomena related to the nonlinear Snell law at the interface.

    Conclusions:

    • Optical lattice interfaces offer new avenues for soliton control.
    • Tunable parameters provide precise management of soliton behavior.
    • Findings have implications for optical switching and signal processing.