Broadband terahertz pulse emission from ZnGeP_2

Details Broadband terahertz pulse emission from ZnGeP_2 Broadband terahertz pulse emission from ZnGeP_2

2011-10-26

arxiv.org/abs/1110.5695v2

Optics Letters, Vol. 37, Issue 5, pp. 788-790 (2012)

Physics

Condensed Matter

Materials Science

4 pages, 3 figures, journal article

Scientific paper

10.1364/OL.37.000788

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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