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Major progress, scientists develop new high brightness coherent light source!
Analytical optical methods are vital to modern society because they allow for the rapid and safe identification of substances in solids, liquids or gases. These methods rely on light interacting differently with these substances in different parts of the spectrum. For example, the ultraviolet spe...Read More -
The effect of high-power silicon carbide diode on PIN Photodetector
The effect of high-power silicon carbide diode on PIN Photodetector High-power silicon carbide PIN diode has always been one of the hotspots in the field of power device research. A PIN diode is a crystal diode constructed by sandwiching a layer of intrinsic semiconductor (or semiconductor with l...Read More -
The types of electro-optic modulators are briefly described
An electro-optical modulator (EOM) controls the power, phase and polarization of a laser beam by electronically controlling the signal. The simplest electro-optic modulator is a phase modulator consisting of only one Pockels box, where an electric field (applied to the c...Read More -
Progress has been made in the study of fully coherent free electron laser
The Free electron Laser team of the Chinese Academy of Sciences has made progress in the research of fully coherent free electron lasers. Based on the Shanghai Soft X-ray Free Electron Laser Facility, the new mechanism of echo harmonic cascade free electron laser proposed by China has been succes...Read More -
The Key characteristics of Electro-Optic Modulation Instrument
Optical modulation is to add information to the carrier light wave, so that a certain parameter of the carrier light wave changes with the change of the external signal, including the intensity of the light wave, phase, frequency, polarization, wavelength and so on. The modulated light wave carry...Read More -
The wavelength measurement accuracy is in the order of kilohertz
Recently learned from the University of Science and Technology of China, the university of Guo Guangcan academician team Professor Dong Chunhua and collaborator Zou Changling proposed a universal micro-cavity dispersion control mechanism, to achieve the real-time independent control of the optica...Read More -
Progress has been made in the study of ultrafast motion of Weil quasiparticles controlled by lasers
Progress has been made in the study of ultrafast motion of Weil quasiparticles controlled by lasers In recent years, the theoretical and experimental research on topological quantum states and topological quantum materials has become a hot topic in the field of condensed matter physics. As a new ...Read More -
Principle analysis of photoelectric module Mach Zehnder modulator
Principle analysis of photoelectric module Mach Zehnder modulator First, the basic concept of Mach Zehnder modulator Mach-Zehnder modulator is an optical modulator used to convert electrical signals into optical signals. Its working principle is based on the electro-optical effect, through the e...Read More -
Thin and soft new semiconductor materials can be used to make micro and nano optoelectronic devices
Thin and soft new semiconductor materials can be used to make micro and nano optoelectronic devices roperties, thickness of only a few nanometers, good optical properties… The reporter learned from Nanjing University of Technology that the research group of the professor of the physics Dep...Read More -
Key characteristics and recent progress of high speed Photodetector
Key characteristics and recent progress of high speed Photodetector With the development of science and technology, the application of high speed Photodetector (optical detection module) in many fields is more and more extensive. This paper will introduce a 10G high-speed Photodetector (optical d...Read More -
Peking University realized a perovskite continuous laser source smaller than 1 square micron
Peking University realized a perovskite continuous laser source smaller than 1 square micron It is important to construct a continuous laser source with a device area less than 1μm2 to meet the low energy consumption requirement of on-chip optical interconnection (<10 fJ bit-1). However, as th...Read More -
Breakthrough photoelectric detection technology (Avalanche photodetector) : A new chapter in revealing weak light signals
Breakthrough photoelectric detection technology (Avalanche photodetector) : A new chapter in revealing weak light signals In scientific research, the precise detection of weak light signals is the key to opening up many scientific fields. Recently, a new scientific research achievement has brough...Read More
