4:30 PM - 4:45 PM [21p-S321-11] Quantum Interference Experiment of Biperiod Type-II QPM Waveguide Device for Generation of Postselection-Free Polarization-Entangled Twin Photons 〇(M2)Yuta Watanabe1, Toshiaki Suhara1 (1.Osaka Univ.)