Title :
Tunable Narrow-band Terahertz Generation at Quasi-phase matched crystals using femtosecond laser pulse
Author :
Nan Ei Yu ; Chul Kang ; Hyung Keun Yoo ; Yeung Lak Lee ; Do-Kyeong Ko ; Kitamura, Kokoro ; Takekawa, Shunji
Author_Institution :
Adv. Photonics Res. Inst., Inst. of Sci. & Technol., Gwangju, South Korea
Abstract :
Terahertz pulse were generated in periodically poled lithium niobate and lithium tantalate around 1.4 and 0.6 THz with band-width off 20 GHz. The generated intensity was rapidly increased depending on temperature decreasing of the crystal.
Keywords :
high-speed optical techniques; laser beams; lithium compounds; optical materials; optical phase matching; optical pulse generation; terahertz wave generation; LiNbO3; LiTaO3; bandwidth 20 GHz; difference frequency generation; femtosecond laser pulse; lithium tantalate; periodically poled lithium niobate; quasiphase matched crystal; terahertz pulse generation; tunable narrow-band terahertz generation; Crystals; Decision support systems; Narrowband; Optical pulse generation; Quadratic programming; Tunable circuits and devices; (160.4330) Nonlinear optical materials; (190.71.10) Ultra-fast Nonlinear optics;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
