60 Gbaud NRZ Transmission with 0.94 pJ/b Direct-Drive Optical Transmitter Using SM 1060 nm VCSEL Over 5 km SMF

Karmakar, ArijitArijitKarmakarOnselaere, TorbenTorbenOnselaereVandierendonck, AchimAchimVandierendonckWang, XinXinWangSingh, NishantNishantSinghVan Kerrebrouck, JorisJorisVan KerrebrouckTorfs, GuyGuyTorfsBauwelinck, JohanJohanBauwelinck2026-05-282026-05-282025979-8-3315-9532-6nahttps://imec-publications.be/handle/20.500.12860/59453We present a direct-drive optical transmitter demonstrating 60 GBd NRZ transmission with single-mode (SM) 1060 nm VCSEL over 5 km single-mode fiber (SMF), achieving a bit-error-rate (BER) < 1 e-12 after forward-error-correction (FEC) with a record-high FEC-corrected bitrate-distance product of 283.47 Gb/s.km and 0.94 pJ/b transmitter energy-efficiency.eng60 Gbaud NRZ Transmission with 0.94 pJ/b Direct-Drive Optical Transmitter Using SM 1060 nm VCSEL Over 5 km SMFProceedings paper10.1109/ecoc66593.2025.11263225WOS:001680185000303