Full-spectrum visible electro-optic modulator

We report an on-chip high-speed visible-band electro-optic modulator that can operate over the full visible spectrum of 400-700 nm, with a record low V-pi center dot L of 0.48, 0.25, and 0.17 V center dot cm at red, green, and blue wavelengths of 630, 520, and 450 nm, respectively, and an operation bandwidth of > 20 GHz. (c) 2023 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement

Automated summary

We present an on-chip high-speed visible-band electro-optic modulator that covers the entire visible spectrum of 400-700 nm. It achieves record low V-pi center dot L values of 0.48, 0.25, and 0.17 V center dot cm at red, green, and blue wavelengths of 630, 520, and 450 nm, respectively, with an operating bandwidth exceeding 20 GHz.