Title :
Stable linearly polarized light emission from VCSELs with oxidized elliptical current aperture
Author :
Fiedler, U. ; Wiedenmann, D. ; Weigl, B. ; Jung, C. ; Reiner, G. ; Buck, M. ; Ebeling, K.J.
Author_Institution :
Dept. of Optoelectron., Ulm Univ., Germany
Abstract :
We have fabricated oxidized InGaAs MQW VCSELs with elliptical current aperture. The lasers emit linearly polarized light up to thermal roll over. The polarization extinction ratio of better than 20 dB is also maintained under 2.5 Gbit/s large signal amplitude modulation.
Keywords :
III-V semiconductors; amplitude modulation; electro-optical modulation; gallium arsenide; indium compounds; laser cavity resonators; light polarisation; optical transmitters; quantum well lasers; surface emitting lasers; 2.5 Gbit/s; Gbit/s large signal amplitude modulation; InGaAs; elliptical current aperture; linearly polarized light; oxidized InGaAs QW VCSELs; oxidized elliptical current aperture; polarization extinction ratio; stable linearly polarized light emission; thermal roll over; Amplitude modulation; Apertures; Extinction ratio; Gallium arsenide; Laser modes; Laser stability; Optical polarization; Substrates; Surface emitting lasers; Vertical cavity surface emitting lasers;
Conference_Titel :
Semiconductor Laser Conference, 1996., 15th IEEE International
Conference_Location :
Haifa, Israel
Print_ISBN :
0-7803-3163-X
DOI :
10.1109/ISLC.1996.553728
