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Introduction to ROF Optical Delay Line
Introduction to ROF Optical Delay Line The ROF series of optical delay line can achieve continuous and precise adjustment and control of optical phase, and are widely used in fields such as optical interference, microwave communication, and spectral analysis. According to the driving method, it i...Read More -
Why do we have to use Ge as a photodetector
Why do we have to use Ge as a photodetector 1、 Basic positioning: Why is it necessary to use Ge as a photodetector In silicon optical links, photodetector are the “translators” who convert optical signals back into electrical signals. However, silicon itself has a bandgap of 1.12 eV ...Read More -
Characteristics of EDFA Optical Amplifier
Characteristics of EDFA Optical Amplifier The working wavelength of EDFA Optical Amplifier falls precisely within the optimal wavelength range of 1330-1600nm for fiber optic communication. EDFA Optical Amplifier working in the C-band (1530-1565nm) with the lowest fiber loss window have been widel...Read More -
Coherent optical communication: phase of light
Coherent optical communication: phase of light Coherent communication not only depends on how bright the light is, but also on where the phase of the light is, and even uses two orthogonal polarizations. In this way, more information can be loaded into the same wavelength, and the transmission di...Read More -
Application of Fiber Laser in Laser Weapons
Application of Fiber Laser in Laser Weapons Since the invention of the first laser in 1960, the United States has been exploring laser weapons. From the initial plan to develop space-based laser weapons to strike ground targets from space, to later developing airborne high-energy laser weapons to...Read More -
Subverting traditional LiNbO3 modulator
Subverting traditional LiNbO3 modulator Recently, a research team in China has published an invention patent for laser frequency locking technology using LiNbO3 modulator. The core of the patent is a novel PDH (Pound Driver Hall) laser frequency locking system that overturns traditional methods. ...Read More -
Why are high-power fiber optic systems more prone to nonlinear effects?
Why are high-power fiber optic systems more prone to nonlinear effects? In fiber optic systems, many problems almost never occur under low power conditions, but when the power is increased, they suddenly become apparent or even out of control, such as spectral broadening, power instability, signa...Read More -
What equipment is required for the production and testing of 800G optical modules?
What equipment is required for the production and testing of 800G optical modules? The testing of 800G optical modules includes reception performance testing and transmission performance testing. The core equipment list and logic are as follows: 1、 Testing equipment 1.1MCB carrier board Configur...Read More -
The operating steps of free space acousto-optic modulator
The operating steps of free space acousto-optic modulator The free space acousto-optic modulator inputs and outputs light beams through open light holes, requiring precise alignment and Bragg angle adjustment with a three-dimensional adjustment frame. Compared with the fiber coupling series, the ...Read More -
Design considerations for high-power semiconductor laser
Design considerations for high-power semiconductor laser This article will systematically elaborate on the core design considerations and implementation methods of high-power semiconductor laser. Based on the general idea of “increasing the power upper limit by expanding the luminous volume...Read More -
How to use an acousto optic modulator as an optical switch
How to use an acousto optic modulator (AOM modulator) as an optical switch 1. Background and technological development context 1.1 Origin of Laser: In 1960, Theodore Meiman invented the first practical ruby laser, marking the birth of laser technology. 1.2 Laser Development: Subsequently, various...Read More -
New breakthroughs in LiNbO3 modulator
New breakthroughs in LiNbO3 modulator Recently, Chinese researchers have released a core invention patent on the PDH laser frequency locking technology. A PDH laser frequency locking system based on nonlinear SOA (Semiconductor Optical Amplifier) to generate sidebands. This patent aims to address...Read More
