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Robust ultrashort light bullets in strongly twisted waveguide arrays
(American Institute of Physics (AIP), 2019-09-27)
Article.
Accés obert
Article.
Accés obert
We introduce a new class of stable light bullets that form in twisted waveguide arrays pumped with ultrashort pulses, where twisting offers a powerful knob to tune the properties of localized states. We find that, above a ...
Conformal transformation of Dyakonov surface waves into bound states of cylindrical metamaterials
(American Physical Society (APS), 2019-11-05)
Article.
Accés obert
Article.
Accés obert
We put forward the use of transformation optics to map surface waves that exist as one-dimensional modes supported by anisotropic structures into bound states in two-dimensional geometries. Specifically, we show the conformal ...
Clusters of cavity solitons bounded by conical radiation
(American Institute of Physics (AIP), 2018-09-06)
Article.
Accés obert
Article.
Accés obert
We introduce a new class of self-sustained states, which may exist as single solitons or form multisoliton clusters, in driven passive cylindrical microresonators. Remarkably, such states are stabilized by the radiation ...