Optical PAM-4 generation through polarization multiplexing in single-polarization single-mode VCSELs.
Nikos IliadisGiannis KanakisNikolaos ArgyrisChristos SpatharakisParaskevas BakopoulosHercules AvramopoulosSilvia SpigaMarkus-Christian AmannPublished in: ICECS (2016)