We have observed THz frequency upconversion in a GaP crystal. Such a parametric process has a potential for THz detections at room temperature.
© 2006 Optical Society of America
Y. J. Ding, W. Shi, Y. B. Zotova, and X. Xu, "Phase-Matched THz Frequency Upconversion in a GaP Crystal," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper CTuL3.
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