Two-dimensional photonic crystals allow for various types of photonic topological insulators. In this paper, we present our efforts to directly image on-chip light propagation in topological edge states. We quantify the robustness of such states to scattering at sharp corners and defects.

New York: IEEE
The Netherlands Organisation for Scientific Research (NWO) , European Research Council (ERC)
Photonic Forces

Verhagen, E., Parappurath, N., Arora, S., Barczyk, R., Alpeggiani, F., & Kuipers, K. (2021). Topological Protection of Light Propagation in Photonic Crystals. In 2020 European Conference on Optical Communications (ECOC) (pp. 1–4). doi:10.1109/ECOC48923.2020.9333225