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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 11 — May. 28, 2007
  • pp: 6840–6845

Femtosecond absorption dynamics in glass-metal nanocomposites

M. Halonen, A. A. Lipovskii, and Yu. P. Svirko  »View Author Affiliations

Optics Express, Vol. 15, Issue 11, pp. 6840-6845 (2007)

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We report strong optical nonlinearity of glasses embedded with copper and silver nanoparticles. In pump-probe experiments with copper-doped glasses, the observed absorption bleaching with picosecond relaxation time is as high as 22%. Transmission femtosecond measurements reveal the reverse saturable absorption with nonlinear absorption coefficient of 10-10 cm/W in both copper- and silver-doped nanocomposites.

© 2007 Optical Society of America

OCIS Codes
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Ultrafast Optics

Original Manuscript: March 5, 2007
Revised Manuscript: April 13, 2007
Manuscript Accepted: April 17, 2007
Published: May 18, 2007

M. Halonen, A. A. Lipovskii, and Yu. P. Svirko, "Femtosecond absorption dynamics in glass-metal nanocomposites," Opt. Express 15, 6840-6845 (2007)

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