Title :
From vertical to in-plane emission of circular VCSELs
Author :
Arbel, D. ; Djaloshinski, L. ; Orenstein, M.
Author_Institution :
Dept. of Electr. Eng., Technion-Israel Inst. of Technol., Haifa, Israel
Abstract :
Large circular VCSELs exhibit spontaneous transition from vertical to almost in-plane, quasi whispering gallery lasing modes. Enhancing this effect by coupling to concentric ring VCSELs is demonstrated and analyzed.
Keywords :
laser cavity resonators; laser modes; laser theory; ring lasers; semiconductor device models; semiconductor lasers; stimulated emission; surface emitting lasers; circular VCSELs; concentric ring VCSELs; in-plane emission; quasi whispering gallery lasing modes; spontaneous transition; superradiance; vertical emission; Coupling circuits; Frequency; Laser modes; Laser transitions; Optical coupling; Optical waveguides; Ring lasers; Surface emitting lasers; Vertical cavity surface emitting lasers; Whispering gallery modes;
Conference_Titel :
Semiconductor Laser Conference, 1996., 15th IEEE International
Conference_Location :
Haifa, Israel
Print_ISBN :
0-7803-3163-X
DOI :
10.1109/ISLC.1996.553756
