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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 -
Description: Erbium-doped fiber Amplifier EDFA Optical Amplifier
Description: Erbium-doped fiber Amplifier EDFA Optical Amplifier Erbium-doped optical fiber amplifier (EDFA, that is, the optical signal amplifier with Er3 + doped in the fiber core through the signal) is the first optical amplifier developed by the University of Southampton in 1985, and i...Read More -
Introduction to the application of RF optical transmission RF over Fiber
Introduction to the application of RF optical transmission RF over Fiber In recent decades, microwave communication and optical telecommunications technology have developed rapidly. Both technologies have made great progress in their respective fields, and also led to the rapid development of mob...Read More -
Wireless digital communication: Working principle of IQ modulation
Wireless digital communication: Working principle of IQ modulation IQ modulation is the foundation of various high-order modulation methods widely used in the LTE and WiFi fields, such as BPSK, QPSK, QAM16, QAM64, QAM256, etc. Understanding the working principle of IQ modulation is essential for ...Read More
