Resonantly enhanced real hyperpolarizability

We show theoretically and experimentally how the first hyperpolarizability of a three-level molecule at a two-photon resonance can obtain a real value with strong resonant enhancement. This phenomenon arises from destructive interference of the usually dominant imaginary parts of the resonant hyperp...

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Bibliographic Details
Published in:Optics letters 2001-01, Vol.26 (1), p.30-32
Main Authors: Meshulam, G, Berkovic, G, Kotler, Z
Format: Article
Language:English
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Summary:We show theoretically and experimentally how the first hyperpolarizability of a three-level molecule at a two-photon resonance can obtain a real value with strong resonant enhancement. This phenomenon arises from destructive interference of the usually dominant imaginary parts of the resonant hyperpolarizability.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.26.000030