Application of Optical Delay Line in Terahertz Time-Domain Spectroscopy
An optical delay line is a device that can change the optical path, and it has a wide range of applications…
What Are the Mechanisms of Photodetectors?
There are three common photoelectric conversions (conversion of absorbed photons into charges) mechanisms in photodetectors, which are the photoconductive effect (PCE),…
The difference between different types of photodetectors
This tutorial focuses on reverse-biased p-n junctions that are commonly used for making optical receivers. Metal-semiconductor-metal (MSM) photodetectors are also…
What is the Difference Between a Phototransistor and a Photodiode?
Photodiodes and phototransistors are often confused with each other because of their similar operation. Both are semiconductor-based components that sense…
What a High Performance Photodetector With a Large Area InGaAs/InP PIN Structure is?
Emerging applications of flexible optoelectronic devices are booming in flexible imaging/displays, sensors, short-range data communications, solar cells, and more. As…
615 GHz Set A Record! New High Speed Germanium Silicon Avalanche Photodetector
Recently, the team of Professor Daozin Dai from the School of Optoelectronic Science and Engineering of Zhejiang University proposed a…
Digital Optical Communication Module, Who is better, 100G? or 400G?
There are two main application areas of digital optical communication modules, one is the telecommunications market, such as the 5G…
Basics of Fiber-Coupled Laser Diodes
Today, laser diodes are everywhere. They are the simplest components for converting electrical energy into laser power. Laser diodes are…
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…