Abstract
When three tunable laser beams, at frequencies ω0, ω1 and ω2, respectively, are incident on an atomic vapor, liquid or crystal, a third order polarization at the combination frequency ω3 = ω0 + ω1 − ω2 is created. The intensity generated at ω3 reveals resonant interference terms of the material system at ω0 + ω1, ω0 − ω2 and ω1 − ω2, respectively. Such interference terms permit the relative nonlinearities of various two-photon absorption and Raman resonant excitations to be calibrated.
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© 1978 Springer Science+Business Media New York
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Bloembergen, N. (1978). Recent Developments in Four-Wave Light Mixing and Two-Photon Absorption Spectroscopy. In: Mandel, L., Wolf, E. (eds) Coherence and Quantum Optics IV. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-0665-9_1
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DOI: https://doi.org/10.1007/978-1-4757-0665-9_1
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4757-0667-3
Online ISBN: 978-1-4757-0665-9
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