We employ 0-regularization to reduce Volterra filter complexity by up to 90% in 112-Gbps PAM-4 VCSEL transmission. Compared to 1-regularization, 0-regularization achieves lower complexity and more precise weights without retraining after sparse identification.

© 2020 The Author(s)

PDF Article


You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
Login to access OSA Member Subscription

Supplementary Material (1)

» Media 1: PDF (2444 KB)