Abstract
Excitons are shown to enhance third-order optical susceptibilityx (3) and shorten its response timeT 1 in suitable low-dimensional crystals; for example, a system of semiconductor microcrystallites and a natural and artificial quantum-well system. Some experimental evidence of enhancedx (3) and shortenedT 1 is also introduced.
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Hanamura, E. Exciton enhancement of optical non-linearity in low-dimensional crystals. Opt Quant Electron 21, 441–450 (1989). https://doi.org/10.1007/BF02189124
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DOI: https://doi.org/10.1007/BF02189124