A 225mW 28Gb/s SerDes in 40nm CMOS with 13dB of analog equalization for 100GBASE-LR4 and optical transport lane 4.4 applications. - Mike Harwood; Steffen Nielsen; Andre Szczepanek; Richard Allred; Sean Batty; Mike Case; Simon Forey; Karthik Gopalakrishnan; Larry Kan; Bob Killips; Parmanand Mishra; Rohit Pande; et al. (ISSCC, 2012)