Observation of Broadband Time-Dependent Rabi Shifting in Microplasmas
Journal Article
·
· Physical Review Letters
- Center for Advanced Photonics Research, Departments of Chemistry and Physics, Temple University, Philadelphia, Pennsylvania 19122 (United States)
Coherent broadband radiation in the form of Rabi sidebands is observed when a ps probe laser propagates through a weakly ionized, electronically excited microplasma generated in the focus of an intense pump beam. The sidebands arise from the interaction of the probe beam with pairs of excited states of a constituent neutral atom via the probe-induced Rabi oscillation. Sideband shifting of >90 meV from the probe carrier frequency results in an effective bandwidth of 200 meV. The sidebands are controlled by the intensity and temporal profile of the probe pulse; with amplitude and shift in agreement with the predictions of a time-dependent generalized Rabi cycling model.
- OSTI ID:
- 21370835
- Journal Information:
- Physical Review Letters, Vol. 103, Issue 20; Other Information: DOI: 10.1103/PhysRevLett.103.205001; (c) 2009 The American Physical Society; ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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