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Showing 1–13 of 13 results
Advanced filters: Author: Eugenio DelRe Clear advanced filters

  • Replica symmetry breaking describes identical copies of a randomly interacting system exhibiting different dynamics. Here, Pierangeli et al. observe this critical phenomenon in the optical wave propagation inside a disordered nonlinear waveguide.

    • Davide Pierangeli
    • Andrea Tavani
    • Eugenio DelRe
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-7

  • Crystalline materials are formed by the periodic order of atomic unit cells. Here, Pierangeli et al. report the formation of a ferrelectric super-crystal with micrometric unit cell from modulated nanoscale disorder in potassium-lithium-tantalate-niobate, which is potentially useful for engineering ordered states out of disorder.

    • D. Pierangeli
    • M. Ferraro
    • E. DelRe
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-7

  • The diffraction of light scales with wavelength, thereby placing fundamental limits on applications such as imaging, microscopy and communications. Here, researchers experimentally demonstrate scale-free propagation in supercooled structures and cancel diffraction, instead of merely compensating for it, as is the case for most approaches in nonlinear optics.

    • E. DelRe
    • E. Spinozzi
    • C. Conti
    Research
    Nature Photonics
    Volume: 5, P: 39-42

  • Rouge waves have been observed in a number of complex systems, but not in biological structures. Here, the authors report the observation of optical rouge waves manifesting in tumor-cell spheroids when illuminated by randomly modulated laser beams.

    • Davide Pierangeli
    • Giordano Perini
    • Claudio Conti
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-8

  • Theories state that transitions between extreme waves are allowed but experimental confirmations are lacking because of lack of control strategies. Here, the authors propose and experimentally report, for the first time, the use of topological indices to control the generation of extreme waves.

    • Giulia Marcucci
    • Davide Pierangeli
    • Claudio Conti
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-8

  • Giorgio Parisi recently shared a Nobel Prize in Physics for his contribution to the theory of complex systems. What is not well known is that photonics was crucial to validating Parisi’s predictions.

    • Claudio Conti
    • Eugenio DelRe
    News & Views
    Nature Photonics
    Volume: 16, P: 6-7

  • In nonlinear optics, efficient frequency conversion typically requires phase-matching conditions, resulting in wavelength, polarization, and angular selectivity. Here, these constraints are overcome in a supercrystal with giant refraction index, allowing wide spectral and angular acceptance.

    • Ludovica Falsi
    • Luca Tartara
    • Eugenio DelRe
    ResearchOpen Access
    Communications Materials
    Volume: 1, P: 1-8