Lithium niobate on Insulator and Beyond: Overcoming Fabrication Challenges for Integrated and Flat Photonics
Time: Tue 2024-04-16 14.15 - 15.15
Location: Albano, Hus 3, rum 5203, plan 5
Language: English
Participating: Rachel Grange
Nonlinear and electro-optic devices are present in our daily life with many applications: light sources for microsurgery or modulators for telecommunication. Most of them use bulk materials such as glass fibres or high-quality crystals, hardly integrable. Even the fast developments of thin film lithium niobate face the challenging etching of metal-oxides. Therefore, the quest for a non-centrosymmetric material, easy to fabricate and to scale up while maintaining its functionality is still ongoing. I will present our recent advances in top-down fabrication of lithium niobate devices and bottom-up assemblies of randomly oriented nanocrystals to produce electro-optic, nonlinear and parametric down conversion signals.
Biography
Since 2021, Rachel Grange is an associate professor in integrated optics and nanophotonics in the Department of Physics at ETH Zurich. She has been assistant professor at ETH Zurich since 2015.
From 2011 to 2014, she was junior group leader at the Friedrich Schiller University in Jena, Germany. During her post-doc at EPFL, she worked on nonlinear bioimaging with metal-oxides nanoparticles from 2007 to 2010.
She received her Ph.D. in 2006 from ETH Zurich on ultrafast laser physics.