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Optical Engineering

Wavelength interdependence assessment of all-optical switching in zinc borate glasses
Author(s): Manal Abdel-Baki; Fathy Abdel-Wahab; Fouad El-Diasty
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Paper Abstract

Lithium tungsten borate photonic glass is prepared by the conventional melt-quench technique. Due to semiconductor-like behavior of zinc oxide, the glass is doped by ZnO to adapt its optical nonlinearity. Fresnel-based spectrophotometric measurements and Lorentz dispersion theory are applied to study (in a very wide range of photon energy from 0.5 to 6.2 eV) the dispersion of second-order refractive index, two-photon absorption coefficient, and third-order optical susceptibility of the glass. The figure of merit (FOM) needed for optical switching applications is estimated. We reveal the importance of determining the dispersion of the optical nonlinear parameters to find out the appropriate operating wavelength for optimum FOM of the glass.

Paper Details

Date Published: 14 August 2012
PDF: 6 pages
Opt. Eng. 51(8) 083605 doi: 10.1117/1.OE.51.8.083605
Published in: Optical Engineering Volume 51, Issue 8
Show Author Affiliations
Manal Abdel-Baki, National Research Ctr. (Egypt)
Fathy Abdel-Wahab, Ain Shams Univ. (Egypt)
Fouad El-Diasty, Ain Shams Univ. (Egypt)


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