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Time‐Resolved Four‐Wave Mixing Experiments in CuCl
Author(s) -
Gomes M. J. M.,
Kippelen B.,
Levy R.,
Grun J. B.,
Hönerlage B.
Publication year - 1990
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221590111
Subject(s) - mixing (physics) , grating , degenerate energy levels , absorption (acoustics) , thermal , diffusion , materials science , optics , four wave mixing , laser , molecular physics , atomic physics , physics , nonlinear optics , thermodynamics , quantum mechanics
By a light‐induced grating technique with three degenerate laser beams, the diffusion constants and the decay times of optical nonlinearities in CuCl are determined. By comparison with results from induced absorption, the nonlinearities may be identified as being due to different excitonic populations as well as to thermal effects.