Abstract
We describe 224 Gbps-PAM4 uncooled operation by EA-DFB. Moreover, 330.8-Gbps PAM6 (128-Gbaud PAM6), 384 Gbps PAM8 (128-Gbaud PAM8) and 420 Gbps PAM8 (140-Gbaud PAM8) operations by ultrahigh speed EA-DFB are reviewed.
© 2023 The Author(s)
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