Phase-matching condition for THz wave generation via difference frequency generation using Inx Ga1-x Se mixed crystals

Optics Express
Yohei SatoYutaka Oyama

Abstract

Terahertz (THz) waves at 9.7, 10.1 and 10.6 THz were generated via difference frequency generation in high-quality InxG1-xaSe mixed crystals with a relatively high indium compositions (x = 0.040, 0.048, 0.074) grown from an indium flux. The phase-matching angle for THz wave generation was measured for each indium content. As a result, it is confirmed that the incident angle of the excitation light satisfying the phase-matching condition is shifted to a higher angle with an increase in the indium content.

References

Nov 21, 2007·Optics Letters·Wei ShiKonstantin Vodopyanov
Jun 26, 2008·Optics Express·Zhi-Shu FengTatyana A Gavrilova
Jun 12, 2006·Optics Express·Yu-Kuei HsuChen-Shiung Chang
Mar 16, 2012·Optics Express·Shin An KuT Kobayashi

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