High-speed PAM4-based Optical SDM Interconnects with Directly Modulated Long-wavelength VCSEL

Joris Van Kerrebrouck, Xiaodan Pang, Oskars Ozolins +18

This paper reports the demonstration of high-speed PAM-4 transmission using a 1.5-μm single-mode vertical cavity surface emitting laser (SM-VCSEL) over multicore fiber with 7 cores…