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April 2021: "Scrambling polarization and phase matching in quadratic nanomaterials" presented by Rachel Grange
Monthly speakers explore topics derived from Henri Poincaré’s work on optical polarization and demonstrate applications of polarization techniques. This month, Rachel Grange presents "Scrambling polarization and phase matching with quadratic nanomaterials".

Join the series’ chairs and moderators – Thomas A. Germer, National Institute of Standards and Technology (USA); Jessica C. Ramella-Roman, Florida International University (USA); and Tatiana Novikova, École Polytechnique (France) – and be part of the discussion.

Tuesday, 27 April 2021, 5:00 am PT (1300 UTC): Scrambling polarization and phase matching with quadratic nanomaterials
Speaker: Rachel Grange
ETH Zurich

Abstract: Nonlinear and electro-optic devices are present in our daily life with many applications: light sources for microsurgery, green laser pointers, or modulators for telecommunication. They mainly use bulk materials such as glass fibers or high-quality crystals, hardly integrable or scalable due to low signal and difficult fabrication. Here, I will show several low dimensional photonic systems relying on bottom-up assemblies of barium titanate nanocrystals either to obtain electro-optic metasurfaces or broadband Mie driven microspheres.


Biography: Rachel Grange is an associate Professor in the field of integrated optics and nonlinear nanophotonics in the Department of Physics at ETH Zurich (Switzerland). She develops top-down and bottom-up fabricated nanostructures with metal-oxides, mainly lithium niobate and barium titanate. Her goal is to understand and control their behaviors to design versatile compact photonic devices. Recently, she worked on an integrated electro-optic spectrometer and on random quasi-phase matching phenomena in complex assemblies of nanocrystals.

Apr 27, 2021 05:00 AM in Pacific Time (US and Canada)

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Speakers

Rachel Grange
27 April 2021: Scrambling polarization and phase matching with quadratic nanomaterials @ETH Zurich
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