Parihar, ReenaLai, Choon KongZhang, ZiqianChoi, Duk YongMadden, Stephen J.Eggleton, Benjamin J.Merklein, MoritzChoudhary, Amol2025-05-232025-05-23ORCID:/0000-0002-5339-3085/work/184100572http://www.scopus.com/inward/record.url?scp=85216272553&partnerID=8YFLogxKhttps://hdl.handle.net/1885/733751489We demonstrate the first chip-based, GHz-class Brillouin microwave photonic filter, achieving reconfigurable RF bandwidth over 5 octaves, from 30MHz to 1.2GHz and frequency agility from 10-40GHz, with a switchable filter response between bandpass and bandstop.enPublisher Copyright: © 2024 The Author(s)202485216272553