Pb1-xSnxTe/PbTe1-ySeylattice-matched buried heterostructure lasers with CW Single mode output Kasemset, D. ; Rotter, S. ; Fonstad, C. G. Abstract Publication: IEEE Electron Device Letters Pub Date: May 1980 DOI: 10.1109/EDL.1980.25236 Bibcode: 1980IEDL....1...75K