5:15 PM - 5:30 PM △ [12p-B508-15] Improvement of Multiple GaAs Plate-stacked Quasi-phase-matching Mid-infrared Wavelength-conversion Devices by Use of Room-temperature Bonding 〇Rika Tanimoto1, Yuki Takahashi1, Ichiro Shoji1 (1.Chuo Univ.)