John Rönn

Ultra-high on-chip optical gain in erbium-based hybrid slot waveguides

John Rönn, Weiwei Zhang, Anton Autere et al. · Nature Communications · 2019 · 160 citations · Full text

Atomic Layer Engineering of Er-Ion Distribution in Highly Doped Er:Al₂O₃ for Photoluminescence Enhancement

John Rönn, Lasse Karvonen, Christoffer Kauppinen et al. · ACS Photonics · 2016 · 40 citations

Optical Materials, Engineering, Laser Applications +16

Enhancement of the third-order optical nonlinearity in ZnO/Al2O3 nanolaminates fabricated by atomic layer deposition

Lasse Karvonen, Antti Säynätjoki, Yang Chen et al. · Applied Physics Letters · 2013 · 38 citations

Optical Materials, Engineering, Nonlinear Optics +22

Erbium-doped hybrid waveguide amplifiers with net optical gain on a fully industrial 300 mm silicon nitride photonic platform

John Rönn, Jianhao Zhang, Weiwei Zhang et al. · Optics Express · 2020 · 33 citations · Full text

High non-resonant third-order optical nonlinearity of Ag–glass nanocomposite fabricated by two-step ion exchange

Lasse Karvonen, John Rönn, Sami Kujala et al. · Optical Materials · 2013 · 18 citations

Materials Science, Photonics, Optical Materials +9