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High-permittivity elastomers were made by grafting sulfolane groups onto polysiloxane. Tuned polarity, thin films, and UV cross-linking yielded DEAs with 7.2% lateral strain at 14 V μm−1, enabling reliable low-voltage soft stack actuators. ...
Low-power and compact phase shifters are crucial for large photonic circuits, both to cope with variability and to create programmable waveguide circuits scaling to thousands of tuning elements. This work demonstrates a liquid crystal phase shifter where a ...