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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Grover Swartzlander
  • Vol. 30, Iss. 12 — Dec. 1, 2013
  • pp: 3117–3122

Nondegenerate two-photon absorption in a zinc blende-type ZnS single crystal using the femtosecond pump–probe technique

Shu Chen, Mei-Ling Zheng, Xian-Zi Dong, Zhen-Sheng Zhao, and Xuan-Ming Duan  »View Author Affiliations


JOSA B, Vol. 30, Issue 12, pp. 3117-3122 (2013)
http://dx.doi.org/10.1364/JOSAB.30.003117


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Abstract

Nondegenerate two-photon absorption (ND-TPA) in a zinc blende-type ZnS single crystal has been investigated by using the ultrafast femtosecond pump–probe technique. ND-TPA coefficients for parallel and orthogonal polarization orientations have been determined at discrete probe wavelengths from 480 to 570 nm and a constant pump wavelength of 800 nm. The largest value of (6.40±0.76)cm/GW is found in the parallel case when probed at 480 nm, whereas the smallest value of (0.066±0.007)cm/GW appears in the orthogonal case when probed at 570 nm. Optimized scaling factors of 8126 and 4358cm/GWeV5/2 are proposed for better fitting the experimental dependence of the ND-TPA coefficient on the probe photon energy for the two polarization cases. Considering the intrinsic zinc blende symmetry and crystal orientation, the ND-TPA coefficients for the parallel and orthogonal polarization orientations are related to the imaginary part of two independent third-order susceptibility tensor elements χxxxx and χxyxy, respectively.

© 2013 Optical Society of America

OCIS Codes
(190.4180) Nonlinear optics : Multiphoton processes
(190.4720) Nonlinear optics : Optical nonlinearities of condensed matter
(190.7110) Nonlinear optics : Ultrafast nonlinear optics

ToC Category:
Nonlinear Optics

History
Original Manuscript: August 22, 2013
Revised Manuscript: October 11, 2013
Manuscript Accepted: October 13, 2013
Published: November 4, 2013

Citation
Shu Chen, Mei-Ling Zheng, Xian-Zi Dong, Zhen-Sheng Zhao, and Xuan-Ming Duan, "Nondegenerate two-photon absorption in a zinc blende-type ZnS single crystal using the femtosecond pump–probe technique," J. Opt. Soc. Am. B 30, 3117-3122 (2013)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-30-12-3117

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