Threshold currents of 1.2-1.55 mu m P-substrate buried crescent laser diodes Kakimoto, S. ; Takemoto, A. ; Sakakibara, Y. ; Nakajima, Y. ; Fujiwara, M. Abstract Publication: IEEE Journal of Quantum Electronics Pub Date: July 1992 DOI: 10.1109/3.142547 Bibcode: 1992IJQE...28.1631K