Turnkey O-Band 200-GHz Microcomb Enabled by Quantum-Dot DFB Laser Self-Injection Locking to a Si3N4 Microresonator

Authors: Liang, N., Xie, W., Lei, Z., Qin, J., Cui, X., Chen, J., Zhang, X., Wang, Z., Wang, T., Zhang, J.

Journal: CLEO Science and Innovations Proceedings CLEO 2026

Publication Date: 01/01/2026

DOI: 10.1364/CLEO_SI.2026.STH4E.5

Abstract:

We demonstrate stable O-band 200GHz soliton microcomb using a quantum dots DFB laser self-injection-locked to a high Q (~2×10⁶) Si3N4 resonator, achieving 40 comb lines and linewidths as low as 5kHz.

Source: Scopus