On-chip InP/LiNbO3 microcomb laser

• DOI: 10.1364/cleo_si.2024.sw3o.5
• Publication Date: 2024-09-05T19:06:50Z
• Authors: Jingwei Ling; Zhengdong Gao; Shixin Xue; Qili Hu; Mingxiao Li; Kaibo Zhang; Usman Javid; Raymond Lopez-Rios; Jeremy Staffa; Qiang Lin

We report a chip-scale InP/LiNbO3 laser that directly emits mode-locked microcomb on demand, with spectral bandwidth ∼50 nm, individual comb linewidth ∼600 Hz, frequency tuning rate > 2.4 × 10 17 Hz/s, and 100% utilization of optical power for generation.