Nonlinear optical properties of PbS quantum dots in boro-silicate glass

Alexander M. Malyarevich, Maxim S. Gaponenko, Vasili G. Savitski, Konstantin V. Yumashev, Galina E. Rachkovskaya, Galina B. Zakharevich

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Abstract

PbS quantum dots synthesis in boro-silicate glass is presented. Absorption bleaching of PbS quantum dots of approximate to 4 and approximate to 7 nm in diameter dispersed in this glass has been studied. Bleaching relaxation time of 20-30 ps, absorption saturation fluence of approximate to 5 mJ/cm(2) and ground-state absorption cross-section of 2 divided by 6 X 10(-17) cm(2) at the wavelengths corresponding to the first excitonic absorption band maxima are measured.

Original languageEnglish
Pages (from-to)1195-1200
Number of pages6
JournalJournal of Non-Crystalline Solids
Volume353
Issue number11-12
Early online date13 Mar 2007
DOIs
Publication statusPublished - 1 May 2007

Keywords

  • nanocrystals
  • quantum wells, wires and dots
  • optical spectroscopy
  • ultrafast processes and measurements
  • boro-silicates
  • passive-mode locking
  • 1.3 MU-M
  • doped glass
  • neodymium lasers
  • saturable absorbers
  • relaxation

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    Malyarevich, A. M., Gaponenko, M. S., Savitski, V. G., Yumashev, K. V., Rachkovskaya, G. E., & Zakharevich, G. B. (2007). Nonlinear optical properties of PbS quantum dots in boro-silicate glass. Journal of Non-Crystalline Solids, 353(11-12), 1195-1200. https://doi.org/10.1016/j.jnoncrysol.2007.01.018