Three-photon absorption for nanosecond excitation in cadmium selenide quantum dots

Sean J. Bentley; Charles V. Anderson; John P. Dooher

doi:10.1117/1.2823156

1 December 2007 Three-photon absorption for nanosecond excitation in cadmium selenide quantum dots

Sean J. Bentley, Charles V. Anderson, John P. Dooher

Optical Engineering, Vol. 46, Issue 12, 128003 (December 2007). https://doi.org/10.1117/1.2823156

We experimentally observe saturable absorption and dra-matic three-photon absorption in various colloidal solutions of cadmium selenide quantum dots, with a strong size dependence witnessed for these properties. We also develop a model for the electronic portion of the nonlinearities that illustrates well the trends exhibited by our experi-mental data. The model incorporates six bands (three each in the va-lence and conduction bands).

©(2007) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Sean J. Bentley, Charles V. Anderson, and John P. Dooher "Three-photon absorption for nanosecond excitation in cadmium selenide quantum dots," Optical Engineering 46(12), 128003 (1 December 2007). https://doi.org/10.1117/1.2823156

Published: 1 December 2007

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