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, Edward H. Sargent

Research output: Contribution to journalConference articlepeer-review


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 >5x intermediate state resonance enhancement for PbS over the degenerate 2PA.

Original languageEnglish (US)
JournalOptics InfoBase Conference Papers
StatePublished - 2010
EventFrontiers in Optics, FiO 2010 - Rochester, NY, United States
Duration: Oct 24 2010Oct 28 2010

ASJC Scopus subject areas

  • Instrumentation
  • Atomic and Molecular Physics, and Optics


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