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Factors affecting the lifespan of lasers
Factors affecting the lifespan of lasers The lifespan of a laser usually refers to the duration during which it can stably output laser under specific working conditions. This duration may be influenced by a variety of factors, including the type and design of the laser, the working environment,...Read More -
What is a PIN photodetector
What is a PIN photodetector A photodetector is precisely a highly sensitive semiconductor photonic device that converts light into electricity by utilizing the photoelectric effect. Its main component is the photodiode (PD photodetector). The most common type is composed of a PN junction, ...Read More -
Low threshold infrared avalanche photodetector
Low threshold infrared avalanche photodetector The infrared avalanche photodetector (APD photodetector) is a class of semiconductor photoelectric devices that produce high gain through collision ionization effect, so as to achieve the detection ability of few photons or even single photons. Howev...Read More -
Quantum communication: narrow linewidth lasers
Quantum communication: narrow linewidth lasers Narrow linewidth laser is a kind of laser with special optical properties, which is characterized by the ability to produce a laser beam with a very small optical linewidth (that is, narrow spectrum). The line width of a narrow linewidth laser refers...Read More -
What is a phase modulator
What is a phase modulator Phase modulator is an optical modulator that can control the phase of a laser beam. Common types of phase modulators are Pockels box-based electro-optic modulators and liquid crystal modulators, which can also take advantage of thermal fiber refractive index chang...Read More -
Research progress of thin film lithium niobate electro-optic modulator
Research progress of thin film lithium niobate electro-optic modulator Electro-optic modulator is the core device of optical communication system and microwave photonic system. It regulates the light propagating in free space or optical waveguide by changing the refractive index of material cause...Read More -
The latest research news of space communication laser
The latest research news of space communication laser Satellite Internet system, with its global coverage, low latency and high bandwidth, has become the key direction of future communication technology development. Space laser communication is the core technology in the development of sat...Read More -
Revolutionary silicon photodetector（Si photodetector）
Revolutionary silicon photodetector（Si photodetector） Revolutionary all-silicon photodetector（Si photodetector）, performance beyond the traditional With the increasing complexity of artificial intelligence models and deep neural networks, computing clusters put higher demands on networ...Read More -
Pulse frequency control of laser pulse control technology
Pulse frequency control of laser pulse control technology 1. The concept of Pulse frequency, laser pulse Rate (Pulse Repetition Rate) refers to the number of laser pulses emitted per unit time, usually in Hertz (Hz). High frequency pulses are suitable for high repetition rate applications, while...Read More -
Pulse width control of laser pulse control technology
Pulse width control of laser pulse control technology The pulse control of laser is one of the key links in laser technology, which directly affects the performance and application effect of laser. This paper will systematically sort out the pulse width control, pulse frequency control and...Read More -
The latest ultra-high extinction ratio electro-optic modulator
The latest ultra-high extinction ratio electro-optic modulator On-chip electro-optical modulators (silicon-based, triquinoid, thin film lithium niobate, etc.) have the advantages of compactness, high speed and low power consumption, but there are still great challenges to achieve dynamic i...Read More -
Principle and application of EDFA erbium-doped fiber amplifier
Principle and application of EDFA erbium-doped fiber amplifier The basic structure of EDFA erbium-doped fiber amplifier, which is mainly composed of an active medium (dozens of meters long doped quartz fiber, core diameter 3-5 microns, doping concentration (25-1000)x10-6), pump light source (990 ...Read More
