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What is an Electro Optical Modulator
What is an Electro Optical Modulator An Electro Optical Modulator (EOM modulator) is an optoelectronic device that modulates light waves using the electro-optic effect (mainly the linear electro-optic effect, also known as the Pockels effect). Its core function is to quickly and accurately change...Read More -
What is IQ modulator
What is IQ modulator IQ modulator is a key electronic device that converts baseband signals into radio frequency (RF) signals, widely used in modern wireless communication, radar, satellite communication, and other fields. 1. Core principles The IQ modulator decomposes the baseband signal into tw...Read More -
Classification of laser
Classification of laser There are multiple ways to classify laser: The main distinction is based on the material of the gain medium, as well as the energy form (light emission form) that interacts with the material. 1. Working medium: also known as gain medium, refers to a substance used to achie...Read More -
What is a balanced photodetector
What is a balanced photodetector Balanced Photodetector (BPD photodetector) is a precision optoelectronic detection device based on differential detection technology, mainly used to extract weak optical signals in complex noise environments, thereby greatly improving the signal-to-noise ratio (SN...Read More -
Acousto-optic modulator Core working principle
What is acousto-optic modulator An acousto-optic modulator (AOM modulator) is a precision optical device based on the acousto-optic effect, which dynamically controls the amplitude (intensity), frequency, phase, or spatial direction of a laser beam through the interaction of ultrasound and light ...Read More -
What is RF over Fiber
What is Rof over Fiber 1、 Definition of RF over Fiber(RFOF) RF over Fiber transmission module is a specialized transmission equipment that integrates RF signal processing and fiber optic communication technology. Its core is to combine RF signals with fiber optic transmission links through optoe...Read More -
What is Avalanche photodetector
Avalanche photodetector (APD photodetector) is a semiconductor photodetector that utilizes avalanche multiplication effect to amplify internal signals. It generates a strong electric field inside the device through high reverse bias voltage (usually tens to hundreds of volts), amplifies weak opti...Read More -
How to choose the type of balanced photodetector
How to choose the type of balanced photodetector A balanced photodetector consists of two photodiodes and a differential amplifier. The optical signal is first split into two paths by a beam splitter and input into two photodiodes. These two photodiodes work in the same way, but the phase of the ...Read More -
Fiber Laser Series: What is Polarization of Light
Fiber Laser Series: What is Polarization of Light Light is a transverse wave, and its electric field vector vibration direction is perpendicular to the propagation direction. Polarization refers to the regular distribution of vibrations along the propagation direction. Whether a laser can output ...Read More -
Two working modes of acousto-optic modulator
Two working modes of acousto-optic modulator An acousto-optic modulator (AOM modulator) is a device that can modulate the intensity or deflect the angle of a laser beam without the need for any macroscopic moving parts. Its core principle is simple: excite sound waves in a transparent medium, use...Read More -
Briefly describe 40G balanced photodetector
Briefly describe 40G balanced photodetector In the digital wave driven by 5G, artificial intelligence, and big data, optical communication technology is undergoing unprecedented innovation. As the core component of optical communication systems, balanced photodetectors have become a key force sup...Read More -
A Brief Introduction to Fiber Laser
A Brief Introduction to Fiber Laser 1. Working principle of fiber laser Light Source The core part of a fiber laser is a fiber doped with rare earth elements (such as ytterbium doped fiber and erbium doped fiber). When the pump light source (usually a diode laser) enters the fiber through a coupl...Read More
