Computer-controlled microresonator soliton comb system automating soliton generation and expanding excursion bandwidth

A computer-controlled dual-laser dissipative Kerr soliton (DKS) comb system is established. The system can automatically and robustly access the single soliton state by controlling two lasers and a power meter. It can adapt to different working environments. Even if the resonant frequency drifts by a few GHz, or the pump power drifts by 20%, the system still stably accesses the single soliton state. Moreover, the system architecture allows users to operate the system easily and flexibly. By tuning the pump and auxiliary lasers synchronously, the range of the comb frequency scan (excursion bandwidth) is expanded from 700 MHz to over 10 GHz.