Abstract
We describe frequency-domain spectroscopy studies of glasses doped with CdS1−xSex using low-power cw tunable dye lasers. The results show a narrow resonance (4.4 kHz at room temperature) in the backward nearly degenerate four-wave mixing spectrum, which we believe is determined by the phonon-mediated inverse lifetime of a deep level trap involved in the nonlinear response.
© 1988 Optical Society of America
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