59 citations · 113 across the 4 of their papers we have counts for
4 papers
Bloch-mode analysis for retrieving effective parameters of metamaterials
Andrei Andryieuski, Sangwoo Ha, Andrey A. Sukhorukov +2
We introduce a new approach for retrieving effective parameters of metamaterials based on the Bloch-mode analysis of quasi-periodic composite structures. We demonstrate that, in th…
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…
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…
Slow-light switching in nonlinear Bragg-grating coupler
Sangwoo Ha, Andrey A. Sukhorukov, Yuri S. Kivshar
We study propagation and switching of slow-light pulses in nonlinear couplers with phase-shifted Bragg gratings. We demonstrate that power-controlled nonlinear self-action of light…