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Definition: fluorescence which is enhanced by laser amplification

German: Superlumineszenz

Category: physical foundations

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Superluminescence is the same as amplified spontaneous emission: the emission of luminescence which experiences significant optical gain within the emitting device, and therefore can be relatively intense. Due to the finite gain bandwidth, the bandwidth of the emitted light is usually smaller than that of the luminescence itself.

Superluminescence is often used for generating light with a broad bandwidth, e.g. in superluminescent diodes. Such light sources are called superluminescent sources or ASE sources.

See also: superluminescent sources, superluminescent diodes, amplified spontaneous emission, stimulated emission, luminescence, superfluorescence
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