CdS quantum dot materials by the sol-gel method

John D. Mackenzie; Yu-Hua Kao

doi:10.1117/12.177133

2 June 1994 CdS quantum dot materials by the sol-gel method

John D. Mackenzie, Yu-Hua Kao

Proceedings Volume 2145, Nonlinear Optics for High-Speed Electronics and Optical Frequency Conversion; (1994) https://doi.org/10.1117/12.177133
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

Colored-oxide glass filters containing CdS quantum dots were found to exhibit third-order optical nonlinearity in 1983. However, the dot sizes were somewhat large and the size distributions were wide. The sol-gel method proved to be a better alternative for CdS quantum dot materials. This paper describes the advantages of the sol-gel method, and how it has been exploited to prepare two types of CdS quantum dot materials. These are fully dense sodium borosilicate glasses and organically-modified silicates, Ormosils. Both materials give high values of third-order nonlinearity and excellent optical transparency.

Citation Download Citation

John D. Mackenzie and Yu-Hua Kao "CdS quantum dot materials by the sol-gel method", Proc. SPIE 2145, Nonlinear Optics for High-Speed Electronics and Optical Frequency Conversion, (2 June 1994); https://doi.org/10.1117/12.177133

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