Two-photon absorption of CdS quantum dots in glass: experiment and theory

K. Kang Sandalphon; B. P. McGinnis; Y. Z. Hu; S. W. Koch; N. Peyghambarian; A. Mysyrowicz; A. Mysyrowicz; L. C. Liu; L. C. Liu; S. H. Risbud; S. H. Risbud

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 1991),
paper CTuE2

Two-photon absorption of CdS quantum dots in glass: experiment and theory

K. Kang Sandalphon, B. P. McGinnis, Y. Z. Hu, S. W. Koch, N. Peyghambarian, A. Mysyrowicz, L. C. Liu, and S. H. Risbud

Conference on Lasers and Electro-Optics 1991

Baltimore, Maryland United States
12–17 May 1991
ISBN: 1-55752-189-1

From the session
Optical Nonlinearities of Semiconductor in Glasses (CTuE)

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K. K. Sandalphon, B. P. McGinnis, Y. Z. Hu, S. W. Koch, N. Peyghambarian, A. Mysyrowicz, L. C. Liu, and S. H. Risbud, "Two-photon absorption of CdS quantum dots in glass: experiment and theory," in Conference on Lasers and Electro-Optics, J. Bufton, A. Glass, T. Hsu, and W. Krupke, eds., Vol. 10 of OSA Technical Digest (Optica Publishing Group, 1991), paper CTuE2.

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Abstract

Semiconductor quantum dots (QDs) are currently under intensive investigation^1-2 since they may provide a system with unique nonlinear optical properties. In this paper we report on a combined experimental and theoretical study of the two-photon absorption spectra of CdS QDs grown in glass. Two-photon absorption spectroscopy of quantum dots has the potential of providing valuable information on several standing questions, such as validity of the effective mass approximation, energy level structure, or the shape of the confining potential in such small structures.

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