Yang Y.-CCheng H.-TCHAO-HSIN WU2023-06-092023-06-0920212162108Xhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85124833688&partnerID=40&md5=f40fc0abec9c7ce56e3b286e7446542chttps://scholars.lib.ntu.edu.tw/handle/123456789/632221We fabricated ultra-fast 850 nm VCSELs with high efficiencies, excellent output linearity, and exhibits a modulation bandwidth of up to 32.4 GHz. Which could be applicable for next-gen 50-100 Gbps PAM4 transceivers. © Optica Publishing Group 2021Surface emitting lasers; Transceivers; Higher efficiency; Modulation bandwidth; Ultra-fast; Pulse amplitude modulationconference paper2-s2.0-85124833688