Ultrafast optoelectronic time-division demultiplexer IC using resonant tunneling diodes and a unitraveling-carrier photodiode

Summary form only given. A 100-Gbit/s class optical receiver will be required in near-future transmission systems. For realizing such high-speed receivers, an ultrafast electronic device and a wideband photodetector are needed. Resonant-tunneling diodes (RTDs) can offer a switching time of less than a few picoseconds. A new type of wideband photodetector, called unitraveling-carrier photodiode (UTC-PD), has a 150-GHz bandwidth and high saturation power. In this paper, we propose an ultrafast optoelectronic time-division demultiplexer IC using only two RTDs and one UTC-PD. The circuit fabricated monolithically demultiplexed an 80-Gbit/s optical signal into a 40-Gbit/s electrical signal with a power consumption of 7.75 mW.