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Conferences > FiO > 2010 > FThO > FThO2

Resonance Enhancement of the Two-Photon Absorption in PbS Quantum Dots

Gero Nootz, Lazaro A. Padilha, Scott Webster, David J. Hagan, Eric W. Van Stryland, Larissa Levina, Vlad Sukhovatkin, and Edward H. Sargent

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Abstract

The degenerate and nondegenerate two-photon absorption (2PA) spectra of PbS quantum dots are measured and compared to our earlier studies of CdSe. We observe >5× intermediate state resonance enhancement for PbS over the degenerate 2PA.

© 2010 Optical Society of America

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