Towards 2-μm comb light source based on multiple four-wave mixing in a dual-frequency Brillouin fiber laserMoise Deroh, Gang Xu, Erwan Lucas, Jean-Charles Beugnot, Hervé Maillotte, Thibaut Sylvestre and Bertrand KiblerJ. Eur. Opt. Society-Rapid Publ., 20 1 (2024) 19DOI: https://doi.org/10.1051/jeos/2024017