What is an APD electronics?

An avalanche photodiode (APD) is a highly sensitive semiconductor photodiode detector that exploits the photoelectric effect to convert light into electricity. From a functional standpoint, they can be regarded as the semiconductor analog of photomultiplier tubes.

What is an APD receiver?

APD receivers have an integrated preamplifier and come in a compact, hermetically-sealed housing. Avalanche Photodiodes.

What is silicon APD?

Silicon avalanche photodiodes are used in the wavelength range between 260 nm and 1100 nm. The avalanche effect of these photodiodes makes them well suited for the detection of extremely weak light intensities. Avalanche Photodiodes.

What is the principle of operation of an APD?

Avalanche photodiode working principle Avalanche breakdown takes place when the diode is subjected to high reverse voltage. The reverse bias voltage increases the electric field across the depletion layer. Incident light enters the p+ region and further gets absorbed in the highly resistive p region.

What is PIN and APD?

PIN and APD receivers are used to facilitate fiber optic networks. Often, they provide extremely high-speed internet access or receive telephone and digital television signals.

What are the advantages of APD over other types?

The main advantage of the APD is that it has a greater level of sensitivity compared to PIN. The avalanche action increases the gain of the diode many times, providing much higher sensitivity.

What is the difference between PIN photodiode and APD?

The main advantage of the APD is that it has a greater level of sensitivity compared to PIN. The avalanche action increases the gain of the diode many times, providing much higher sensitivity. However, an APD requires a higher operating voltage.

What are the advantages of APD?

They are high-sensitivity, high-speed semiconductor light sensors. The main advantage of the APD is that it has a greater level of sensitivity compared to PIN. The avalanche action increases the gain of the diode many times, providing much higher sensitivity. However, an APD requires a higher operating voltage.