@article{P115.122, author={Soenen, Wouter and Vaernewyck, Renato and Yin, Xin and Spiga, Silvia and Amann, Markus-Christian and Kaur, Kamalpreet and Bakopoulos, Paraskeva and Bauwelinck, Johan}, title={40 Gb/s PAM-4 transmitter IC for long-wavelength VCSEL links}, journal={IEEE PHOTONICS TECHNOLOGY LETTERS}, year={2015}, volume={27}, number={4}, pages={344-347}, }