Schedule 0 2:00 PM - 2:15 PM [ALPS15-02] Efficient 0.46-THz Difference Frequency Generation of Subnanosecond Near-Infrared Pulses in Lithium Niobate *Yuma Takida1, Kouji Nawata1, Takashi Notake1, Hiroaki Minamide1 (1. RIKEN)