A Wideband On-Chip Radiator Driven by a Traveling-Wave Photodetector

C. Ives, B. Abiri, and A. Hajimiri

An integrated broadband Vivaldi antenna driven by an on-chip traveling-wave photodetector is reported. The silicon photonic chip radiates between 21 and 67 GHz with -65 dBm coupled power at 44 GHz.