Large third and fifth order optical nonlinearity of organic-inorganic CdS quantum dots in an optically transparent thin film

M J Potasek,Yan Gao,Alberto Tonizzo,Ardie D Walser,R Dorsinville

San Jose, CA（2008）

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摘要

We report large values of the two- and three-photon absorption coefficients at 532nm (252 cm/GW) and 1064nm (160 cm3/GW2) in surfactant-capped CdS quantum dots. The cross-sections of absorption were approximately 1e-44 cm4s/photon (532nm) and 8e-73 cm6s2/photon2 (1064nm).

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关键词

absorption coefficients,cadmium compounds,nonlinear optics,organic-inorganic hybrid materials,polymer films,surfactants,two-photon processes,fifth order optical nonlinearity,optically transparent thin film,organic-inorganic quantum dots,surfactant-capped quantum dots,third order optical nonlinearity,three-photon absorption coefficients,two-photon absorption coefficients,(160.4330) nonlinear optical materials,(240.0310) thin films,quantum dots,absorption coefficient,transistors,cross section,absorption,quantum dot,thin film

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