High-speed low-loss low-drive-power travelling-wave optical modulator for λ = 1.32 μm

Abstract

We report a Ti: LiNbO3 travelling-wave optical switch/modulator for λ = 1.32 μm that requires only 4.5 V to switch, has ∼5.5 GHz bandwidth, a power per bandwidth figure of merit of 10.9 mW/GHz and a fibre-device-fibre insertion loss of only −2.3 dB.