In order to help his friend prepare for a talk at DEFCON this weekend, [Craig] built an IR photodiode amplifier circuit. The circuit extended the detection range of the hack from a few inches to a few ...

Programmable photonics devices, which use light to perform complex computations, are emerging as a key area in integrated ...

Fig 1. Shown is a basic TIA circuit used in dual-supply systems. Fig 2. Figure 1’s TIA circuit was modified for a single supply. Fig 3. Here, the TIA circuit in Figure 2 places a photodiode directly ...

Designing high-resolution detection circuits using photodiodes presents considerable challenges because bandwidth, gain, and input-referred noise are coupled together. This application note reviews ...

Also known as light detectors, photosensors, or photodetectors, photodiodes are semi-conducting devices with PN junctions. The market growth of photodiodes is spurred by the increasing use of ...

Programmable photonics promises faster, more energy-efficient computing than electronics by transmitting signals using light.

This is a preview. Log in through your library . Abstract A new quantum sensor for measuring photosynthetically active radiation (PAR) was designed using a gallium arsenide photodiode. This sensor is ...