Observation of a critical concentration in laser-induced transparency and multiphoton excitation and ionization in rubidium

We report the behavior of Autler-Townes splitting and production of a four-wave mixing (FWM) field in rubidium in the context of laser-induced transparency. Gain saturation of the FWM and simultaneous suppression of Autler-Townes splitting above a critical concentration are interpreted in terms of t...

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Veröffentlicht in:Optics Letters 1996-07, Vol.21 (13), p.928-930
Hauptverfasser: Deng, L, Garrett, W R, Payne, M G, Lee, D Z
Format: Artikel
Sprache:eng
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Zusammenfassung:We report the behavior of Autler-Townes splitting and production of a four-wave mixing (FWM) field in rubidium in the context of laser-induced transparency. Gain saturation of the FWM and simultaneous suppression of Autler-Townes splitting above a critical concentration are interpreted in terms of the odd-photon destructive interference effect. The results demonstrate that, when multimode lasers are used, odd-photon destructive interference significantly limits the high-efficiency and high-intensity FWM generation promised by early studies of laser-induced transparency.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.21.000928