Coherent field transients below 15  THz from phase-matched difference frequency generation in 4H-SiC

Fischer, Marco P.; Bühler, Johannes; Fitzky, Gabriel; Kurihara, Takayuki; Eggert, Stefan; Leitenstorfer, Alfred; Brida, Daniele

Coherent field transients below 15 THz from phase-matched difference frequency generation in 4H-SiC

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Fischer_2-klq5t15akc1d9.pdf(669.36 KB)

Date

2017

Publication type

Journal article

Publication status

Published

Published in

Optics Letters ; 42 (2017), 14. - pp. 2687-2690. - ISSN 0146-9592. - eISSN 1539-4794

Abstract

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.

Subject (DDC)

530 Physics

Cite This

ISO 690

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. 42(14), pp. 2687-2690. ISSN 0146-9592. eISSN 1539-4794. Available under: doi: 10.1364/OL.42.002687

BibTex

@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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