[20p-H135-1~16] 3.9 Terahertz technologies

[20p-H135-8] [Young Scientist Presentation Award Speech] Parametric Gain Measurement of MgO:LiNbO₃ Crystal for High-Peak-Power THz-Wave Generation

〇Yuma Takida¹, Jun-ichi Shikata², Kouji Nawata¹, Yu Tokizane¹, Zhengli Han¹, Mio Koyama¹, Takashi Notake¹, Shin'ichiro Hayashi¹, Hiroaki Minamide¹ (1.RIKEN, 2.Nihon Univ.)

Keywords:THz-wave generation,Parametric gain,Lithium niobate

We demonstrate a direct measurement scheme for parametric gain of stimulated Raman scattering by phonon-polariton in MgO:LiNbO₃ crystal. By measuring the THz-wave output from MgO:LiNbO₃crystal as a function of crystal length, the parametric gain coefficient has been determined.