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Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials
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Photonic Mpemba effect.

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    This summary is machine-generated.

    The Mpemba effect, where hotter water freezes faster, is now observed in optics. Highly localized light pulses in photonic lattices diffuse faster than broader ones, demonstrating this physics phenomenon in a new domain.

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    Area of Science:

    • Statistical Physics
    • Quantum Optics
    • Condensed Matter Physics

    Background:

    • The Mpemba effect describes the counterintuitive phenomenon where a system closer to equilibrium can relax faster than one further from equilibrium.
    • This effect has been extensively studied in classical and quantum systems, but its observation in optical systems remained unexplored.

    Purpose of the Study:

    • To investigate the possibility of observing the Mpemba effect in optical systems.
    • To explore light diffusion dynamics in finite-sized photonic lattices under incoherent conditions.

    Main Methods:

    • Consideration of light diffusion in finite-sized photonic lattices with incoherent (dephasing) dynamics.
    • Analysis of the random walk of optical pulses in fiber-based temporal mesh lattices.

    Main Results:

    • Demonstration that the Mpemba effect can be observed in optical systems.
    • Observation that highly localized initial light distributions diffuse faster than broadly delocalized distributions in photonic lattices.

    Conclusions:

    • The Mpemba effect is a valid phenomenon in optical systems, specifically in light diffusion within photonic lattices.
    • Fiber-based temporal mesh lattices offer an experimentally accessible platform for demonstrating the Mpemba effect in optics.