Researchers realize a high-speed uni-traveling-carrier photodiode

https://techxplore.com/news/2022-11-high-speed-uni-traveling-carrier-photodiode.html

"low-dark-current and high-bandwidth photodiode... low defect density high doping accuracy... adjusting growth parameters, MOCVD temperature, V/III ratio, and doping concentration... plasmonic InP/InGaAs uni-traveling-carrier photodiode... low dark current 2.52 nA, −3 V bias voltage, high bandwidth 40 GHz, high responsivity 0.12 A/W... absorption efficiency photodiode 2X improvement using plasmonic resonance generated by nanodisks at 1550 nm responsivity 147% and higher signal-to-noise ratio"