Normal-incidence (001) second-harmonic generation in ordered Ga_{0.5}In_{0.5}P
JOSA B, Vol. 18, Issue 1, pp. 81-84 (2001)
http://dx.doi.org/10.1364/JOSAB.18.000081
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Abstract
Despite their strong nonlinear susceptibility (d_{14}∼120 pm/V for GaAs), III–V zinc blende semiconductors do not show any second-harmonic generation in the [001] direction. We demonstrate that ordered GaInP does exhibit a nonvanishing second-order coefficient in this direction. We report second-harmonic generation parallel to [001] in ordered Ga_{0.5}In_{0.5}P without domain mixture by transmission and reflection of a 1.42-μm fundamental beam in the transparency region of the material. The susceptibility tensor is fully characterized, and a value of d_{22}^{″}≈13 pm/V is measured along [001] for an ordering parameter η=0.43. The susceptibility as a function of order parameter is investigated by reflected second-harmonic generation at the air/GaInP interface and interpreted in terms of bulk and surface contributions.
© 2001 Optical Society of America
OCIS Codes
(160.4330) Materials : Nonlinear optical materials
(160.6000) Materials : Semiconductor materials
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4400) Nonlinear optics : Nonlinear optics, materials
Citation
Sébastien Sauvage, Yann Bernard, Isabelle Sagnes, Gilles Patriarche, Franck Glas, Guy Le Roux, Marcel Bensoussan, and Juan Ariel Levenson, "Normal-incidence (001) second-harmonic generation in ordered Ga_{0.5}In_{0.5}P," J. Opt. Soc. Am. B 18, 81-84 (2001)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-18-1-81
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