Electro-Optical Innovation: New Way To Control and Manipulate Optical Signals Developed

Researchers embedded a liquid crystal layer into a waveguide that was created with direct laser writing . The resulting hybrid device can be used to change the polarization of light traveling through the waveguide. Credit: GRK 2101, Friedrich Schiller University Jena

“Laser writing of waveguides and electro-optical modulation via liquid crystals has not been combined in this way before,” said Alessandro Alberucci from Friedrich Schiller University Jena in Germany. “The hope is that this technology could be used to create a new class of integrated photonic devices that can process large amounts of information for data centers and other data-intensive applications.”tunable wave plate inside a fused silica waveguide.

Researchers Alessandro Alberucci and Kim Lammers are pictured working in the lab. Their advance paves the way to integrating new types of optical functions into the whole volume of a single glass chip, enabling compact full 3D photonic integrated devices. Credit: GRK2101, Friedrich Schiller University Jena

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