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Author Correction: A ferroelectric multilevel non-volatile photonic phase shifter

Jacqueline Geler-Kremer
Felix Eltes
Stefan Abel
Amendments and Corrections20 Jun 2022
Nature Photonics

Volume: 16, P: 548
Large Pockels effect in micro- and nanostructured barium titanate integrated on silicon

Electro-optic modulators based on epitaxial barium titanate (BTO) integrated on silicon exhibit speeds up to 50 Gbit s^–1 while the Pockels coefficient of the BTO film is found to be approaching the bulk value.

Stefan Abel
Felix Eltes
Jean Fompeyrine
Research12 Nov 2018
Nature Materials

Volume: 18, P: 42-47
An integrated optical modulator operating at cryogenic temperatures

The integration of barium titanate thin films with silicon-based waveguides enables the operation of efficient electro-optic switches and modulators at temperatures as low as 4 K, with potential applications in quantum computing and cryogenic computing technologies.

Felix Eltes
Gerardo E. Villarreal-Garcia
Stefan Abel
Research06 Jul 2020
Nature Materials

Volume: 19, P: 1164-1168
A ferroelectric multilevel non-volatile photonic phase shifter

Researchers demonstrate a multilevel non-volatile phase shifter memory that is based on the monolithic integration of BaTiO₃ thin films and silicon waveguides. By manipulating ferroelectric domains in BaTiO₃ with electrical control signals, they achieve analogue and non-volatile optical phase tuning.

Jacqueline Geler-Kremer
Felix Eltes
Stefan Abel
Research30 May 2022
Nature Photonics

Volume: 16, P: 491-497
Signatures of enhanced out-of-plane polarization in asymmetric BaTiO₃ superlattices integrated on silicon

Integrating multifunctional oxides on silicon is highly desirable. Here, the authors present asymmetric BaTiO3 superlattices on silicon exhibiting enhanced out-of-plane polarization by harnessing the interfacial strain and broken inversion symmetry.

Binbin Chen
Nicolas Gauquelin
Gertjan Koster
ResearchOpen Access11 Jan 2022
Nature Communications

Volume: 13, P: 1-8