[15a-2E-1~12] 4.7 Terahertz Photonics

▼ [15a-2E-8] Gain Measurement of Stimulated Phonon-Polariton Scattering in MgO:LiNbO₃ for High-Peak-Power Terahertz-Wave Parametric Generation

〇(P)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

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