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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…
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…
Dispersion extraction with near-field measurements in periodic waveguides
Andrey A. Sukhorukov, Sangwoo Ha, Ilya V. Shadrivov +2
We formulate and demonstrate experimentally the high-resolution spectral method based on Bloch-wave symmetry properties for extracting mode dispersion in periodic waveguides from m…