Record bit-rate-distance-products of 118.6 and 51.6 Gbps×km were achieved for PAM4 and NRZ transmission over a single OM4 fiber using mode-selective VCSEL. The OMA penalty was 3.1 dB for 51.56-Gbps-PAM4 transmission over 1.6km OM4 at BER of 5×10−5.

© 2018 The Author(s)

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