Abstract
We reported 40-Gb/s PAM4 transmission over 10-km SSMF with 2-dB penalty and 6-dBm sensitivity at BER of 2E-4, using directly modulated 1.5-µm VCSEL, with the bandwidth enhancement from 6.4-GHz to 9.35-GHz by offset optical filtering.
© 2016 Optical Society of America
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