"T. Honda,A. Katsube,T. Sakaguchi,FUMIO KOYAMA,K. Iga","Threshold estimation of GaN-based surface emitting lasers operating in ultraviolet spectral region",,"Jpn. J. Appl. Phys",,"vol. 34",,"pp. 3527-3532",1995,July
"T Sakaguchi,F. Koyama,K. Iga","Vertical cavity surface emitting laser with an AlGaAs/AiAs Bragg reflector",,"Electron Lett.",,"vol. 24","no. 5","pp. 928-929",1988,Dec.