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  • What is optical phased array technology?

    What is optical phased array technology?

    By controlling the phase of the unit beam in the beam array, the optical phased array technology can realize the reconstruction or precise regulation of the array beam isopic plane. It has the advantages of small volume and mass of the system, fast response speed and good beam quality. The workin...
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  • Principle and development of diffractive optical elements

    Principle and development of diffractive optical elements

    Diffraction optical element is a kind of optical element with high diffraction efficiency, which is based on the diffraction theory of light wave and uses computer-aided design and semiconductor chip manufacturing process to etch the step or continuous relief structure on the substrate (or the su...
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  • Future application of quantum communication

    Future application of quantum communication

    Future application of quantum communication Quantum communication is a communication mode based on the principle of quantum mechanics. It has the advantages of high security and information transmission speed, so it is regarded as an important development direction in the future communication fie...
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  • Understand the wavelengths of 850nm, 1310nm and 1550nm in optical fiber

    Understand the wavelengths of 850nm, 1310nm and 1550nm in optical fiber

    Understand the wavelengths of 850nm, 1310nm and 1550nm in optical fiber Light is defined by its wavelength, and in fiber optic communications , the light used is in the infrared region, where the wavelength of light is greater than that of visible light. In optical fiber communication, the typica...
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  • Revolutionizing Space Communication: Ultra-High Speed Optical Transmission.

    Revolutionizing Space Communication: Ultra-High Speed Optical Transmission.

    Scientists and engineers have developed an innovative technology that promises to revolutionize space communication systems. Using advanced 850nm electro-optic intensity modulators that support 10G, low insertion loss, low half voltage, and high stability, the team has successfully developed a sp...
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  • standard intensity modulator solutions

    standard intensity modulator solutions

    Intensity modulator As a modulator widely used in various optical systems, its variety and performance can be described as numerous and complicated. Today, I have prepared four standard intensity modulator solutions for you: mechanical solutions, electro-optical solutions, Acousto-optic s...
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  • Principle and progress of quantum communication technology

    Principle and progress of quantum communication technology

    Quantum communication is the central part of quantum information technology. It has the advantages of absolute secrecy, large communication capacity, fast transmission speed, and so on. It can complete the particular tasks that classical communication can not achieve. Quantum communication can us...
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  • Principle and classification of fog

    Principle and classification of fog

    Principle and classification of fog   (1)principle   The principle of fog is called Sagnac effect in physics. In a closed light path, two beams of light from the same light source will be interfered when they are converged to the same detection point. If the closed light path has rotation relati...
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  • The working principle of directional coupler

    The working principle of directional coupler

    Directional couplers are standard microwave/millimeter wave components in microwave measurement and other microwave systems. They can be used for signal isolation, separation, and mixing, such as power monitoring, source output power stabilization, signal source isolation, transmission and refl...
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  • What’s EDFA Amplifier

    What’s EDFA Amplifier

    EDFA (Erbium-doped Fiber Amplifier), firstly invented in 1987 for commercial use, is the most deployed optical amplifier in the DWDM system that uses the Erbium-doped fiber as optical amplification medium to directly enhance the signals. It enables instantaneous amplification for signals with mul...
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  • The Smallest Visible Light Phase Modulator with The Lowest Power Is Born

    The Smallest Visible Light Phase Modulator with The Lowest Power Is Born

    In recent years, researchers from various countries have used integrated photonics to successively realize the manipulation of infrared light waves and apply them to high-speed 5G networks, chip sensors, and autonomous vehicles. At present, with the continuous deepening of this research direction...
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  • 42.7 Gbit/S Electro-Optic Modulator in Silicon Technology

    42.7 Gbit/S Electro-Optic Modulator in Silicon Technology

    One of the most important properties of an optical modulator is its modulation speed or bandwidth, which should be at least as fast as the available electronics. Transistors having transit frequencies well above 100 GHz have already been demonstrated in 90 nm silicon technology, and the speed wil...
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