3.4 A 40/50/100Gb/s PAM-4 Ethernet transceiver in 28nm CMOS. - Karthik Gopalakrishnan; Alan Ren; Amber Tan; Arash Farhood; Arun Tiruvur; Belal Helal; Chang-Feng Loi; Chris Jiang; Halil Cirit; Irene Quek; Jamal Riani; James Gorecki; et al. (ISSCC, 2016)

A 400Gb/s Transceiver for PAM-4 Optical Direct-Detect Application in 16nm FinFET. - Chang-Feng Loi; A. Mellati; Amber Tan; A. Farhoodfar; Arun Tiruvur; Belal Helal; Bob Killips; Farshid Rafiee Rad; Jamal Riani; Jorge Pernillo; J. Sun; J. Wong; et al. (ISSCC, 2019)

A 200Gb/s Low Power DSP-Based Optical Receiver and Transmitter with Integrated TIA and Laser Drivers. - Arik Zafrany; Daniel Burgos; Li Cai; Sau Siong Chong; Colin Cramm; Sadegh Dadash; Vishal Giridharan; Vivek Gurumoorthy; Belal Helal; Cheng-Ru Ho; Amrutha Iyer; Steve Jantzi; et al. (OFC, 2023)

7.1 A 2.69pJ/b 212Gb/s DSP-Based PAM-4 Transceiver for Optical Direct-Detect Application in 5nm FinFET. - J. Q. Wang; Amber Tan; Amrutha Iyer; A. Fan; A. Farhoodfar; B. Alnabulsi; B. Smith; Chang-Feng Loi; Cheng-Ru Ho; D. Cartina; Jamal Riani; J. Casanova; et al. (ISSCC, 2024)