@article{CTT100442426, author = {E.Inamura and Y.Miyamoto and S.Tamura and S.Takasugi and K.Furuya}, title = {Wet chemical etching for ultra fine periodic structrures ; rectangular InP corrugations of 70nm pitch and 100nm depth}, journal = {Jpn. J. Appl. Phys.}, year = 1989, } @article{CTT100442431, author = {Y.Miyamoto and Y.Miyake and M.Asada and Y.Suematsu}, title = {Threshold current density of GaInAsP/InP quantum box Lasers}, journal = {IEEE J. Quantum. Electron}, year = 1989, }