Tunable multiple-passband microwave photonic filter based on external optical injected Fabry-Pérot laser Wang, Wenxuan ; Huang, Long ; Tao, Ji ; Zhu, Huatao ; Du, Xinwei ; Hao, Lijun ; Yu, Changyuan ; Chen, Xiangfei Abstract Publication: Optics Express Pub Date: April 2019 DOI: 10.1364/OE.27.012491 Bibcode: 2019OExpr..2712491W