16:49 〜 16:50 [PS-5-02] Waveguide cross-coupled silicon nitride microring resonators ○J. Feng1, S. Zhai1, R. Akimoto2, H. Zeng1,3 (1.Univ. of Shanghai for Sci. & Tech. (China), 2.AIST (Japan), 3.East China Normal Univ. (China))