An 80-Gb/s optoelectronic delayed flip-flop IC using resonant tunneling diodes and uni-traveling-carrier photodiode. - Kimikazu Sano; Koichi Murata; Taiichi Otsuji; Tomoyuki Akeyoshi; Naofumi Shimizu; Eiichi Sano (IEEE J. Solid State Circuits, 2001)