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Optical communications repeater information


An optical communications repeater is used in a fiber-optic communications system to regenerate an optical signal. Such repeaters are used to extend the reach of optical communications links by overcoming loss due to attenuation of the optical fiber. Some repeaters also correct for distortion of the optical signal by converting it to an electrical signal, processing that electrical signal and then retransmitting an optical signal. Such repeaters are known as optical-electrical-optical (OEO) due to the conversion of the signal. These repeaters are also called regenerators for the same reason.

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Optical communications repeater

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An optical communications repeater is used in a fiber-optic communications system to regenerate an optical signal. Such repeaters are used to extend the...

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Repeater

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are several different types of repeaters; a telephone repeater is an amplifier in a telephone line, an optical repeater is an optoelectronic circuit that...

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3R

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(optical regenerator), an optical communications repeater that performs reamplification, reshaping, and retiming Intelsat 3R, a former communications satellite...

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Optical networking

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with repeater spacing of about 50 km. The capacity of fiber optic networks has increased in part due to improvements in components, such as optical amplifiers...

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Submarine communications cable

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telephone traffic, then data communications traffic. These early cables used copper wires in their cores, but modern cables use optical fiber technology to carry...

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OEO

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of Economic Opportunity Optical-electrical-optical conversion of data, often with respect to an optical communications repeater Opto-electronic oscillator...

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Svalbard Undersea Cable System

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832 mi). Each consists of eight fiber pairs and there are twenty optical communications repeaters on each segment. Each segment has a speed of 10 gigabits per...

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Optical fiber

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of long-distance fiber systems by reducing or eliminating optical-electrical-optical repeaters, in 1986 and 1987 respectively. The emerging field of photonic...

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Amateur radio repeater

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An amateur radio repeater is an electronic device that receives a weak or low-level amateur radio signal and retransmits it at a higher level or higher...

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Ciena Optical Multiservice Edge 6500

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product's time at Nortel) in telecommunication, computer networking and optical communications is a Multi-port multi-protocol system designed by Ciena that supports...

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Data communication

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point-to-multipoint communication channel. Examples of such channels are copper wires, optical fibers, wireless communication using radio spectrum, storage media and...

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Telecommunications

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voice communications have gradually been supplemented by data. The physical limitations of metallic media prompted the development of optical fibre....

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Network topology

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across the repeater, or repeater pair, even if a different physical layer may be used between the ends of the repeater, or repeater pair. Repeaters require...

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Network interface device

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Information Administration. 1996-08-23. "What is an Optical Network Terminal (ONT)?". Verizon Communications, Inc. Archived from the original on 2012-10-06...

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Optical amplifier

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important in optical communication and laser physics. They are used as optical repeaters in the long distance fiber-optic cables which carry much of the world's...

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Computer network

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communications cables to interconnect continents. There are two basic types of fiber optics, single-mode optical fiber (SMF) and multi-mode optical fiber...

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Quantum network

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realize than standard optical switches. Finally, one requires a quantum repeater to transport qubits over long distances. Repeaters appear in between end...

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Transponder

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signal or signals. A communications satellite’s channels are called transponders because each is a separate transceiver or repeater. With digital video...

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Transmission medium

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transmission line. Optical fiber, which has emerged as the most commonly used transmission medium for long-distance communications, is a thin strand of...

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Telecommunications engineering

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passive reflector for radio communications. Courier 1B, built by Philco, also launched in 1960, was the world's first active repeater satellite. Satellites...

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Microwave transmission

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requires a series of repeaters forming a microwave relay network. It is possible to use microwave signals in over-the-horizon communications using tropospheric...

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Ethernet over fiber

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repeaters when the distance between them exceeded the limitations of ThickNet cable. The initial specification, known as Fiber Optic Inter Repeater Link...

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S band

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15 GHz SHF (Ka Band) towards the satellite. S band is also used in optical communications to refer to the wavelength range 1460 nm to 1530 nm.[citation needed]...

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Radio over fiber

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wireless media. By using optical fiber, the radio signals can gap larger transmission distances, reducing the need of additional repeaters or amplifiers. In...

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