Ultra low RIN, low threshold AlGaInAs/InP BH-DFB laserJianhua Ren, Yanhui Xing, Jun Han, Tianyu Sun, Zheng Xing, Can Yin and Baoshun ZhangJ. Eur. Opt. Society-Rapid Publ., 20 1 (2024) 23DOI: https://doi.org/10.1051/jeos/2024023