General telecom

General telecom

Terms relating to telecommunication or communication through technological means.

Industry: Telecommunications

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General telecom

Injection laser diode (ILD)

Telecommunications; General telecom

A laser that uses a forward-biased semiconductor junction as the active medium. Note: Stimulated emission of coherent light occurs at a p-n junction where electrons and holes are driven into the ...

A last-choice trunk group that receives overflow traffic, may receive first-route traffic and for which there is no alternate route. There are various types of final trunk groups, differentiated by ...

Encoding law

Telecommunications; General telecom

A law defining the relative values of the quantum steps used in quantizing and encoding signals.

Snell's law

Telecommunications; General telecom

A law of geometric optics that defines the amount of bending that takes place when a light ray strikes a refractive boundary, e. G. , an air-glass interface, at a non-normal angle. Note 1: Snell's ...

Character

Telecommunications; General telecom

A letter, digit, or other symbol that is used as part of the organization, control, or representation of data. 2. One of the units of an alphabet.

Axial ray

Telecommunications; General telecom

A light ray that travels along the optical axis.

Superluminescent LED

Telecommunications; General telecom

A light-emitting diode in which there is stimulated emission with amplification but insufficient feedback for oscillations to build up to achieve lasing action.