Phrase guide
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noun
A laser that operates by analogy with an electronic waterfall, with electrons cascading down a series of small steps emitting a photon at each step.
Definition source: English Wiktionary via Wiktextract
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Synonyms: none provided
Antonyms: none provided
History
quantum after the behavior of electrons and photons, cascade for a series of small steps, describing an implementation of a laser.
