Femtosecond absorption dynamics in glass-metal nanocomposites
Optics Express, Vol. 15, Issue 11, pp. 6840-6845 (2007)
http://dx.doi.org/10.1364/OE.15.006840
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Abstract
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
History
Original Manuscript: March 5, 2007
Revised Manuscript: April 13, 2007
Manuscript Accepted: April 17, 2007
Published: May 18, 2007
Citation
M. Halonen, A. A. Lipovskii, and Yu. P. Svirko, "Femtosecond absorption dynamics in glass-metal nanocomposites," Opt. Express 15, 6840-6845 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-11-6840
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