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9 papers · 1 filter
Reversible nonreciprocity in photonic structures infiltrated with liquid crystals
Andrey E. Miroshnichenko, Etienne Brasselet, Yuri S. Kivshar
We demonstrate how to achieve reversible nonreciprocal optical response in a periodic photonic structure with a pair of defects, one of them being a nonlinear liquid crystal defect…
Bloch-mode extraction from near-field data in periodic waveguides
Sangwoo Ha, Andrey A. Sukhorukov, Kokou B. Dossou +3
We demonstrate that the spatial profiles of both propagating and evanescent Bloch-modes in a periodic structure can be extracted from a single measurement of electric field at the…
Interface solitons in quadratically nonlinear photonic lattices
Zhiyong Xu, Mario I. Molina, Yuri S. Kivshar
We study the properties of two-color nonlinear localized modes which may exist at the interfaces separating two different periodic photonic lattices in quadratic media, focussing o…
Mach-Zehnder-Fano interferometer
Andrey E. Miroshnichenko, Yuri S. Kivshar
We introduce a concept of the Mach-Zehnder-Fano interferometer by inserting a cavity exhibiting Fano resonance into a conventional interferometer. By employing the scattering-matri…
Spatial-Spectral Vortex Solitons in Quadratic Lattices
Zhiyong Xu, Andrey A. Sukhorukov
We predict the existence of spatial-spectral vortex solitons in one-dimensional periodic waveguide arrays with quadratic nonlinear response. In such vortices the energy flow forms…
Fano Resonance Between Mie and Bragg Scattering in Photonic Crystals
M. V. Rybin, A. B. Khanikaev, M. Inoue +4
We report the observation of a Fano resonance between continuum Mie scattering and a narrow Bragg band in synthetic opal photonic crystals. The resonance leads to a transmission sp…