Publikation: Coherent field transients below 15 THz from phase-matched difference frequency generation in 4H-SiC
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Optics Letters. 2017, 42(14), pp. 2687-2690. ISSN 0146-9592. eISSN 1539-4794. Available under: doi: 10.1364/OL.42.002687
Zusammenfassung
We experimentally demonstrate tunable, phase-matched difference frequency generation covering the spectral region below 15 THz using 4H-SiC as a nonlinear crystal. This material combines a non-centrosymmetric lattice and strong birefringence with broadband transparency at low optical frequencies. Thorough refractive index measurements in the terahertz spectral range allow us to calculate phase-matching conditions for any near-infrared pump laser source. 4H-SiC is also exploited as a detector crystal for electro-optic sampling. The results allow us to estimate the effective second-order nonlinear coefficient.
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FISCHER, Marco P., Johannes BÜHLER, Gabriel FITZKY, Takayuki KURIHARA, Stefan EGGERT, Alfred LEITENSTORFER, Daniele BRIDA, 2017. Coherent field transients below 15 THz from phase-matched difference frequency generation in 4H-SiC. In: Optics Letters. 2017, 42(14), pp. 2687-2690. ISSN 0146-9592. eISSN 1539-4794. Available under: doi: 10.1364/OL.42.002687BibTex
@article{Fischer2017-07-15Coher-40336,
year={2017},
doi={10.1364/OL.42.002687},
title={Coherent field transients below 15 THz from phase-matched difference frequency generation in 4H-SiC},
number={14},
volume={42},
issn={0146-9592},
journal={Optics Letters},
pages={2687--2690},
author={Fischer, Marco P. and Bühler, Johannes and Fitzky, Gabriel and Kurihara, Takayuki and Eggert, Stefan and Leitenstorfer, Alfred and Brida, Daniele}
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