Researchers from IESL-FORTH, Danae Katrisioti and Ioannis Paradisanos (affiliations: IESL-FORTH and MSE - UOC), together with collaborators from LAAS-CNRS have developed a versatile planarization strategy that allows atomically thin materials to be integrated with silicon nanoantennas while preserving strong optical near-field enhancement.

The approach is largely independent of antenna geometry and overcomes one of the key challenges in nano-optics: bringing two-dimensional materials within nanometers of optical hotspots without introducing significant strain or surface irregularities. The work paves the way for scalable hybrid nanophotonic platforms with applications in enhanced light–matter interactions, spectroscopy, and future optoelectronic devices.

Reference: Jonas Müller, Danae Katrisioti, Peter R. Wiecha, Nicolas Mallet, Anna E. Holz, Sylvain Pelloquin, Aurélie Lecestre, Jean-Marie Poumirol, Ioannis Paradisanos, Guilhem Larrieu; Geometry-Independent Nanometric Planarization of 3D Nanostructures for Strain-Controlled Integration of 2D Materials. ACS Appl. Mater. Interfaces 5 August 2026; 18 (30): 42011–42019. https://doi.org/10.1021/acsami.6c07634 [1]