3 papers
physics.optics2025
Obstructed Atomic Limit Topological Protection in C4-Symmetric Photonic Crystals for Optical Communications
OndÅej Novák, Martin Veis, Gervasi Herranz
Recent developments in photonic topological phases have revealed that protected edge modes can emerge not only from global topological invariants, but also from symmetry-enforced p…
cond-mat.mtrl-sci2025
Pyramidal charged domain walls in ferroelectric BiFeO
Pavel Marton, Marek PaÅciak, Mauro Gonçalves +4
Domain structures play a crucial role in the electric, mechanical and other properties of ferroelectric materials. In this study, we uncover the physical origins of the enigmatic z…
physics.optics2025
Methodology for Topological Interface Engineering in 2D Photonic Crystals
OndÅej Novák, Martin Veis, Gervasi Herranz
Topological photonics provides a robust and flexible platform for controlling light, enabling functionalities such as backscattering-immune edge transport and slow-light propagatio…