Lo W.-CWu W.-LPeng C.-YWang H.-YTsai C.-TSu BWu C.-HBORCHING SUCHAO-HSIN WUGONG-RU LIN2021-09-022021-09-022020https://www.scopus.com/inward/record.uri?eid=2-s2.0-85095425581&doi=10.1364%2fCLEO_SI.2020.STu4M.5&partnerID=40&md5=0c25d4d1ce3a27040966e448904c0dabhttps://scholars.lib.ntu.edu.tw/handle/123456789/580551The 850-nm multimode VCSEL designed with dual-oxide-layer confined 7.5-um-large aperture and doped DBR shortened RC response improves its modulation linearity to 0.3±0.1-mW/mA for 61-Gbps NRZ-OOK, 102-Gbps PAM-4 and 124-Gbit/s 32-QAM GFDM data transmissions. ? OSA 2020 ? 2020 The Author(s)Large aperture; Modulation linearities; Multi-datum; Multimodes; Oxide layer; Signal encoding[SDGs]SDG7conference paper10.1364/CLEO_SI.2020.STu4M.52-s2.0-85095425581