Advanced fiber-optic communications rely on electro-optic materials with suitable properties. Here a perovskite oxide, lanthanum-modified lead zirconate titanate, is used to fabricate a waveguide modulator with line rates as high as 304 Gbit/s using four-level pulse modulation.
- Jiawei Mao
- Futa Uemura
- Shiyoshi Yokoyama
