SPONTANEOUS EMISSION


Meaning of SPONTANEOUS EMISSION in English

Radiation emitted when the internal energy of a quantum mechanical system drops from an excited level to a lower level without regard to the simultaneous presence of similar radiation. Note: Examples of spontaneous emission include radiation from an LED, and radiation from an injection laser below the lasing threshold .

Telecommunication standard terms English vocab.      Английский словарь стандартных телекоммуникационных терминов.