Title :
Low voltage, room temperature, ridge waveguide green-blue diode laser
Author :
Salokatve, A. ; Jeon, Hyung-Joon ; Hovinen, M. ; Kelkar, Prasanna ; Nurmikko, A.V. ; Grillo, D.C. ; He, Lifang ; Han, Jinguang ; Fan, Y. ; Ringle, M. ; Gunshor, R.L.
Author_Institution :
Dept. of Phys., Brown Univ., Providence, RI, USA
Abstract :
Ridge waveguide quantum well (QW) diode lasers in the green/blue region have been operated at voltages as low as 7V in ZnCdSe-ZnSSe-ZnMgSSe pseudomorphic confinement heterostructures. These lasers include a p-Zn(Se,Te) graded gap ohmic contact layer to the top metal electrode. Without any attempt at heatsinking, and without reflective facet coatings, these devices have operated at pulsed duty cycles of 20% at room temperature, with average power output of several milliwatts.
Keywords :
II-VI semiconductors; cadmium compounds; magnesium compounds; optical waveguides; semiconductor lasers; sulphur compounds; zinc compounds; 7 V; LV operation; ZnCdSe-ZnSSe-ZnMgSSe; ZnCdSe/ZnSSe/ZnMgSSe; ZnSeTe; green-blue LD; green-blue diode laser; low voltage; ohmic contact layer; p-Zn(Se,Te) graded gap; pseudomorphic confinement heterostructures; quantum well; ridge waveguide; room temperature; top metal electrode; visible laser;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19931363
