Nonlinear optics in quantum confined semiconductor particles |
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Authors: | P. Horan W. Blau |
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Affiliation: | 1. Department of Pure and Applied Physics, Trinity College, Dublin 2, Ireland
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Abstract: | The field of nonlinear optics is dominated by the search for materials which show a large nonlinear optical response. Physical confinement of charge carriers, whether in 1, 2 or 3 dimensions, can greatly enhance the nonlinear optical behaviour. We have studied the nonlinear optical properties of small particles, in the size range 100-10Å which provide 3-D charge confinement. The larger particles are too big to show significant quantum confinement effects. Smaller particles show distinct confinement effects and a large optical nonlinearity. |
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