12:15 〜 12:30 [A-7-7] Demonstration of Two-Wavelength Lasing in a GaAsP Ring/Fabry-Perot Composite Cavity Semiconductor Laser ○A. K. Saha1, T. Suhara1 (1.Osaka Univ.(Japan)) https://doi.org/10.7567/SSDM.2015.A-7-7