Lo W.-CWu W.-LPeng C.-YWang H.-YTsai C.-TSu BWu C.-HLin G.-R.CHAO-HSIN WU2021-09-022021-09-02202010928081https://www.scopus.com/inward/record.uri?eid=2-s2.0-85091659657&partnerID=40&md5=fe1cb9fc5882b09c354f79311fb21e94https://scholars.lib.ntu.edu.tw/handle/123456789/580577The 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. ? 2020 OSA.Signal encoding; Large aperture; Modulation linearities; Multi-datum; Multimodes; Oxide layer; Surface emitting lasersconference paper2-s2.0-85091659657