Time-dependent spectra of a three-level atom in the presence of electron shelving

R. Román-Ancheyta, O. de los Santos-Sánchez, L. Horvath, H. M. Castro-Beltrán

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

We investigate time-dependent spectra of the intermittent resonance fluorescence of a single, laser-driven, three-level atom due to electron shelving. After a quasistationary state of the strong transition, a slow decay due to shelving leads to the steady state of the three-level system. The long-term stationary spectrum consists of a coherent peak, an incoherent Mollow-like structure, and a very narrow incoherent peak at the laser frequency. We find that in the ensemble-average dynamics, the narrow peak emerges during the slow decay regime, after the Mollow spectrum has stabilized but well before an average dark time has passed. The coherent peak, being a steady-state feature, is absent during the time evolution of the spectrum.

Original languageEnglish
Article number013820
Pages (from-to)013820-1-013820-5
Number of pages5
JournalPhysical Review A
Volume98
Issue number1
DOIs
Publication statusPublished - 11 Jul 2018

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