Using a bootstrapping scheme with a JFET can enhance a photodiode’s ac response, but adds unwanted dc voltage. Remedy that problem with a matched dual-JFET. 1. This circuit uses a JFET to ...

This novel integration scheme is based on holographic interfaces which couple incident light into focusing SPPs. Figure 3: Experiment to detect the OAM with patterned photodiodes. Figure 4 ...