What is the difference between a PIN Photodiode and a PN Photodiode?

What is the difference between a PIN Photodiode and a PN Photodiode?

The photodiode is one of the common optical components, but there are many subdivisions of the photodiode, such as the…

What is the difference between FP Lasers and DFB Lasers?

What is the difference between FP Lasers and DFB Lasers?

Both FP lasers and DFB lasers are common optical communication modules, so what is the difference between them? Definition of FP…