Directly PAM-4 Modulated 1530-nm VCSEL Enabling 56 Gb/s/<inline-formula> <tex-math notation="LaTeX">$\lambda $ </tex-math></inline-formula> Data-Center Interconnects

Directly PAM-4 Modulated 1530-nm VCSEL Enabling 56 Gb/s/- Data-Center Interconnects | IEEE Journals & Magazine | IEEE Xplore