Weng, WenleKaszubowska-Anandarajah, AleksandraHe, JijunLakshmijayasimha, Prajwal D.Lucas, ErwanLiu, JunqiuAnandarajah, Prince M.Kippenberg, Tobias J.2022-09-122022-09-122022-09-122021-01-0110.1364/CLEO_SI.2021.SW2H.1https://infoscience.epfl.ch/handle/20.500.14299/190730WOS:000831479801257Using phase-engineered coherent laser pulses produced by gain-switched semiconductor lasers, we generate low-power-threshold soliton microcombs whose repetition frequencies are in the X-band and K-band microwave ranges. (c) 2021TheAuthor(s)Engineering, Electrical & ElectronicOpticsPhysics, AppliedEngineeringPhysicstext::conference output::conference proceedings::conference paper