14:10 〜 14:25 [H-7-02] 1.7 µm Wavelength Tunable Laser Diode Using Silicon External Cavity ○S. Takei1, T. Kita1, H. Yamada1 (1.Tohoku Univ. (Japan)) https://doi.org/10.7567/SSDM.2017.H-7-02