Abstract
We first discuss theoretically the enhancement of the optical nonlinearity due to quantum confinement in semiconductor-doped glasses. This quantum confinement mediated enhancement also pertains to the figure of merit x (3)/α, in which case it is due to a decrease in the spectral width rather than in an increase of the matrix elements. We then report on frequency and size-dependent measurements which confirm the theoretically expected enhancement due to quantum confinement.
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Roussignol, P., Ricard, D. & Flytzanis, C. Quantum confinement mediated enhancement of optical kerr effect in CdS x Se1−x semiconductor microcrystallites. Appl. Phys. B 51, 437–442 (1990). https://doi.org/10.1007/BF00329108
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DOI: https://doi.org/10.1007/BF00329108