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  • Description: Erbium-doped fiber Amplifier EDFA Optical Amplifier

    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...
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  • Introduction to the application of RF optical transmission RF over Fiber

    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...
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  • Wireless digital communication: Working principle of IQ modulation

    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 ...
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  • Fiber optic delay line based on optical switch

    Fiber optic delay line based on optical switch

    Fiber optic delay line based on optical switch Principle of Fiber optic delay line In all-optical signal processing, optical fiber can realize the functions of signal delay, broadening, interference, etc. The reasonable application of these functions can realize the information processing in t...
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  • How does semiconductor optical amplifier achieve amplification?

    How does semiconductor optical amplifier achieve amplification?

    How does semiconductor optical amplifier achieve amplification?   After the advent of the era of large-capacity optical fiber communication, optical amplification technology has developed rapidly. Optical amplifiers amplify input optical signals based on stimulated radiation or stimulated sc...
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  • Optical amplifier series: Introduction to Semiconductor Optical Amplifier

    Optical amplifier series: Introduction to Semiconductor Optical Amplifier

    Optical amplifier series: Introduction to Semiconductor Optical Amplifier Semiconductor optical amplifier (SOA) is an optical amplifier based on semiconductor gain media. It is essentially like a fiber coupled semiconductor laser tube, with the end mirror replaced by an anti reflective film; Tilt...
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  • Classification and modulation scheme of laser modulator

    Classification and modulation scheme of laser modulator

    Classification and modulation scheme of laser modulator   Laser modulator is a kind of control laser components, it is neither as basic as crystals, lenses and other components, nor as highly integrated as lasers, laser equipment, is a high degree of integration, types and functions of the ...
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  • Thin film lithium niobate (LN) photodetector

    Thin film lithium niobate (LN) photodetector

    Thin film lithium niobate (LN) photodetector Lithium niobate (LN) has a unique crystal structure and rich physical effects, such as nonlinear effects, electro-optic effects, pyroelectric effects, and piezoelectric effects. At the same time, it has the advantages of wideband optical transparency ...
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  • What are the market applications of SOA semiconductor optical amplifiers?

    What are the market applications of SOA semiconductor optical amplifiers?

    What are the market applications of SOA optical amplifiers? SOA semiconductor optical amplifier is a PN junction device using a strain quantum well structure. The external forward bias results in a particle population inversion, and the external light leads to stimulated radiation, resulting in o...
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  • Integration of camera and LiDAR for precise detection

    Integration of camera and LiDAR for precise detection

    Integration of camera and LiDAR for precise detection Recently, a Japanese scientific team has developed a unique camera LiDAR fusion sensor, which is the world’s first LiDAR that aligns the optical axes of a camera and LiDAR into a single sensor. This unique design enables real-time collec...
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  • What is a fiber polarization controller?

    What is a fiber polarization controller?

    What is a fiber polarization controller? Definition: A device that can control the polarization state of light in optical fibers. Many fiber optic devices, such as interferometers, require the ability to control the polarization state of light in the fiber. Therefore, different types of fiber pol...
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  • Photodetector Series: Introduction to Balance Photodetector

    Photodetector Series: Introduction to Balance Photodetector

    Introduction to Balance Photodetector (Optoelectronic Balance Detector) Balance Photodetector can be divided into fiber optic coupling type and spatial optical coupling type according to the optical coupling method. Internally, it consists of two highly matched photodiodes, a low-noise, high band...
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