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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 18, Iss. 8 — Aug. 1, 2001
  • pp: 1166–1173

Characterization of the fast component of the complex third-order nonlinearity and time response of bulk materials and waveguides

Elena Lopez-Lago, Valérie Messager, Frederic Louradour, Vincent Couderc, and Alain Barthelemy  »View Author Affiliations


JOSA B, Vol. 18, Issue 8, pp. 1166-1173 (2001)
http://dx.doi.org/10.1364/JOSAB.18.001166


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Abstract

We report a simple method to measure the third-order nonlinear refraction and absorption of bulk materials and waveguides. This method relies on the nonlinear evolution of the spectral intensity and width of femtosecond pulses, owing to self-phase modulation, according to a variable chirp introduced before propagation through the nonlinear sample. We describe the experimental details, and we present a comprehensive numerical analysis of the dispersive and the nonlinear effects that can influence the measurement. We also extend the method to characterize the time response of the fast cubic nonlinearity.

© 2001 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.3100) Nonlinear optics : Instabilities and chaos
(190.4720) Nonlinear optics : Optical nonlinearities of condensed matter
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(320.0320) Ultrafast optics : Ultrafast optics
(320.7100) Ultrafast optics : Ultrafast measurements

Citation
Elena Lopez-Lago, Valérie Messager, Frederic Louradour, Vincent Couderc, and Alain Barthelemy, "Characterization of the fast component of the complex third-order nonlinearity and time response of bulk materials and waveguides," J. Opt. Soc. Am. B 18, 1166-1173 (2001)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-18-8-1166

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