We propose new method of THz-wave DFG that allows to avoid attenuation of THz-wave in nonlinear material due to leakage of guided wave into radiation mode. A scheme is experimentally tested in millimeter wavelength region.
© 2005 Optical Society of America
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(190.0190) Nonlinear optics : Nonlinear optics
(190.2620) Nonlinear optics : Harmonic generation and mixing
Y. Avetisyan, A. Hakhoumian, H. Melikyan, V. Tatevosyan, H. Ito, and Y. Sasaki, "A new Scheme of THz-Wave Difference-Frequency Generation in Highly-Absorbing Cubic Nonlinear Crystal," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper CWM4.
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