Towards high quality transferred barium titanate ferroelectric hybrid integrated modulator on silicon

https://phys.org/news/2024-08-high-quality-barium-titanate-ferroelectric.html

"high-volume optical links in silicon photonic ICs... target transfer, enabling optimized thickness/ rotation angle enhancing eletrco-optic modulation, integrating via pulsed laser deposition single-crystal barium titanate film, exhibiting excellent ferroelectricity and flexibility, on top of silicon IC waveguide... large modulation efficiency: VπL as low as 1.67 V·cm... modulation efficiency VπL value as low as 1.67 V·cm... optical communication, signal processing"