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Showing 1–4 of 4 results
Advanced filters: Author: Fabrice Mortessagne Clear advanced filters

  • At interfaces between systems with topologically distinct band structure, robust symmetry protected states emerge. Here, Poli et al.control such states in a coupled dielectric resonator chain with parity-time symmetry and exploit their topological nature to protect them from absorptive losses.

    • Charles Poli
    • Matthieu Bellec
    • Henning Schomerus
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-5

  • Topological properties are defined from singularities of the wave functions delocalised in the bulk of the material, but most experimental manifestations remain indirect. Here, the authors observe a wavefront dislocation as a direct evidence of the phase singularity of the delocalised wave functions in 1D microwave photonic insulators.

    • Clément Dutreix
    • Matthieu Bellec
    • Fabrice Mortessagne
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-7

  • Coherent perfect absorption allows control of light, with wide ranging applications. Here, this concept is experimentally implemented in the presence of non-linearities, where the formation of a self-induced exceptional point coherent perfect absorption mechanism is identified.

    • Suwun Suwunnarat
    • Yaqian Tang
    • Tsampikos Kottos
    ResearchOpen Access
    Communications Physics
    Volume: 5, P: 1-7