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Broadband terahertz pulse emission from ZnGeP₂

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arxiv 1110.5695 v2 pith:L4B7VJTM submitted 2011-10-26 cond-mat.mtrl-sci

Broadband terahertz pulse emission from ZnGeP₂

J. D. Rowley , J. K. Pierce , A. T. Brant , L. E. Halliburton , N. C. Giles , P. G. Schunemann , A. D. Bristow This is my paper
classification cond-mat.mtrl-sci
keywords broadbandrangegenerationlargerterahertzzngepabsorptionacross
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Optical rectification is demonstrated in (110)-cut ZnGeP_2 (ZGP) providing broadband terahertz (THz) generation. The source is compared to both GaP and GaAs over a wavelength range of 1150 nm to 1600 nm and peak intensity range of 0.5 GW/cm^2 to 40 GW/cm^2. ZGP peak-to-peak field amplitude is larger than in the other materials due to either lower nonlinear absorption or larger second order nonlinearity. This material is well suited for broadband THz generation across a wide range of infrared excitation wavelengths.

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