1. A physical origin of cross-polarization and higher-order modes in two-dimensional (2D) grating couplers and the related device performance limitations. (26th May 2021) Authors: Georgieva, Galina; Voigt, Karsten; Seiler, Pascal M; Mai, Christian; Petermann, Klaus; Zimmermann, Lars Journal: JPhys photonics Issue: Volume 3:Number 3(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗