Ko, KiyoungSuk, DaewonKim, DohyeongWang, RongpingChun, Byung JaeKo, Kwang HoonChoi, Duk YongLee, Hansuek2025-05-232025-05-23ORCID:/0000-0002-5339-3085/work/184100569http://www.scopus.com/inward/record.url?scp=85205096596&partnerID=8YFLogxKhttps://hdl.handle.net/1885/733751978We demonstrate and analyze the first mid-infrared on-chip Brillouin laser generated using chalcogenide resonators. Q-factor of 2.91 × 107, phonon gain bandwidth of 14.51 MHz and threshold power of 93.3 μW were measured.enPublisher Copyright: © Optica Publishing Group 2024202485205096596