Spontaneous emission from a three-level atom

Shi Yao Zhu*, Ricky C.F. Chan, Chin Pang Lee

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

234 Citations (Scopus)


Quantum interference between decay processes from two upper levels, which are coupled by the same vacuum modes to a lower level, have been investigated and its effects on the spontaneous emission spectrum have been studied. The interference can result in spectral narrowing and a black dark line in the spectrum. The population in the upper levels is not a simple exponential decay due to the interference.

Original languageEnglish
Pages (from-to)710-716
Number of pages7
JournalPhysical Review A
Issue number1
Publication statusPublished - 1995

Scopus Subject Areas

  • Atomic and Molecular Physics, and Optics


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