Author:
Powell Keith,Renaud Dylan,Li Xudong,Assumpcao Daniel,Xin C. J.,Sinclair Neil,Lončar Marko
Abstract
We demonstrate an integrated electro-optic Mach-Zehnder modulator in thin-film lithium tantalate at 737 nm with record low V
π
L of 0.65 Vcm. An extinction ratio of 30 dB and a detector-limited operating bandwidth of 20 GHz was measured.