optical communication
Quick Summary
Optical communication uses a beam of modulated monochromatic light to transmit information. This method leverages the vast frequency range of the light spectrum for high-rate, broadband telecommunication. Unlike traditional wire transmission, optical communication uses light signals that travel through optical fibers or free space.
Key components of an optical communication system include:
* Electro-optical transmitter: Converts information into a modulated light beam.
* Light-carrying fiber: Guides the light signal along the transmission path.
* Optoelectronic receiver: Converts the detected light back into an electric current.
Optical fibers are favored for their high bandwidth, low attenuation, and immunity to electrical noise, making them ideal for high-speed digital telecommunications. This technology is crucial for modern networks, including telephone, cable television, and computer local area networks (LANs).123
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telecommunications mediaOptical transmissionOptical communication employs a beam of modulated monochromatic light to carry information from transmitter to receiver. The light spectrum spans a tremendous range in the electromagnetic spectrum, extending from the region of 10 terahertz (104 gigahertz) to 1 million terahertz (109 gigahertz). This frequency range…
Read MoreOptical communication employs a beam of modulated monochromatic light to carry information from transmitter to receiver. The light spectrum spans a tremendous range in the electromagnetic spectrum, extending from the region of 10 terahertz (104 gigahertz) to 1 million terahertz (109 gigahertz). This frequency range…
Read More- telecommunications mediaOptical fibre channels
…through a copper conductor, in optical fibre transmission an electromagnetic (optical) field propagates through a fibre made of a nonconducting dielectric. Because of its high bandwidth, low attenuation, interference immunity, low cost, and light weight, optical fibre is becoming the medium of choice for fixed, high-speed digital telecommunications links. Optical…
Read More…through a copper conductor, in optical fibre transmission an electromagnetic (optical) field propagates through a fibre made of a nonconducting dielectric. Because of its high bandwidth, low attenuation, interference immunity, low cost, and light weight, optical fibre is becoming the medium of choice for fixed, high-speed digital telecommunications links. Optical…
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