Monolithic piezoelectric control of soliton microcombs
Monolithic piezoelectric control of soliton microcombs
We demonstrate piezoelectric actuators monolithically integrated on ultralow-loss Si <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sub> N <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">4</sub> waveguides. Varying the voltage applied on the actuator allows microresonator tuning, and to initiate, switch, stabilize and tightly phase lock the single soliton microcomb. This new capability allows to build a compact soliton-based paralell …