Publicação: Nonresonant third-order nonlinearity of antimony glasses at telecom wavelengths
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American Institute of Physics (AIP)
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We report measurements of the nonresonant nonlinear refractive index n(2) in antimony glasses at telecom wavelengths. The measurements were performed using the Z-scan technique with a 130 fs pulsed laser operating at five wavelengths in the range of 1400-1600 nm. Values of n(2)approximate to 10(-15) cm(2)/W were measured and a negligible two-photon absorption coefficient (< 0.003 cm/GW) was estimated for all glasses compositions. The samples present a good figure of merit for ultrafast all-optical switching. (c) 2006 American Institute of Physics.
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Journal of Applied Physics. Melville: Amer Inst Physics, v. 100, n. 11, 3 p., 2006.
