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Showing 1–9 of 9 results
Advanced filters: Author: Georgios G. Pyrialakos Clear advanced filters

  • An optical thermodynamic framework can describe the complex dynamics in highly multimodal systems. Now, the observation of all-optical Joule–Thompson expansion in an optical gas further validates this thermodynamic approach.

    • Marco S. Kirsch
    • Georgios G. Pyrialakos
    • Demetrios N. Christodoulides
    Research
    Nature Physics
    Volume: 21, P: 214-220

  • The nonlinear evolution dynamics in topological photonic lattices is systematically investigated within the framework of optical thermodynamics. This approach allows for the precise prediction of topological currents even under the extreme complexity introduced by nonlinearity.

    • Pawel S. Jung
    • Georgios G. Pyrialakos
    • Demetrios N. Christodoulides
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-7

  • Departing from common approaches to designing Floquet topological insulators, here the authors present a photonic realization of Floquet topological insulators revealing topological phases that simultaneously support Chern and anomalous topological states.

    • Georgios G. Pyrialakos
    • Julius Beck
    • Demetrios N. Christodoulides
    Research
    Nature Materials
    Volume: 21, P: 634-639

  • The Hatano–Nelson model with asymmetric couplings is demonstrated for the first time in phase locked laser arrays. The arrays exhibit steerable non-Hermitian skin effects.

    • Yuzhou G. N. Liu
    • Yunxuan Wei
    • Mercedeh Khajavikhan
    ResearchOpen Access
    Light: Science & Applications
    Volume: 11, P: 1-6

  • Transporting charged particles in a guided manner, similar to how optical fibers carry light signals, has the potential to profoundly impact the scientific and technological landscape. Here, the authors propose a viable method to realize these waveguides by leveraging Lagrange points created by the electrostatic potential around a carefully designed twisted wire in a vacuum.

    • Haokun Luo
    • Yunxuan Wei
    • Demetrios N. Christodoulides
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-8

  • Twisted structures are shown to confine and guide light without total internal reflection, using an effect analogous to the stable Lagrange points in celestial mechanics.

    • Haokun Luo
    • Yunxuan Wei
    • Mercedeh Khajavikhan
    Research
    Nature Physics
    Volume: 20, P: 95-100

  • The electrons in 2D materials like graphene are described by the relativistic Dirac equation. Here the authors present a lattice of evanescently coupled waveguides that emulates a wide range of Dirac excitations and study the type-II edge states that emerge in this photonic system.

    • Georgios G. Pyrialakos
    • Nora Schmitt
    • Demetrios N. Christodoulides
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-7