Title :
Single-lobe, orthonormal-beam surface emission from 2nd-order DFB/DBR lasers with half-wave grating phase shift
Author :
Witjaksono, G. ; Li, S. ; Botez, D.
Author_Institution :
ECE Dept., Wisconsin Univ., Madison, WI, USA
Abstract :
The use of a 180° (central) grating phase shift has allowed single-mode surface emission in a single-lobe, orthonormal beam pattern from 2nd-order DFB/DBR InGaAs/AlGaAs DQW lasers.
Keywords :
III-V semiconductors; aluminium compounds; distributed Bragg reflector lasers; distributed feedback lasers; gallium arsenide; indium compounds; laser beams; quantum well lasers; surface emitting lasers; 2nd-order DFB/DBR lasers; InGaAs-AlGaAs; InGaAs/AlGaAs DQW laser; half-wave grating phase shift; single-lobe orthonormal-beam surface emission; Diffraction; Distributed Bragg reflectors; Etching; Gratings; Instruments; Laser beams; Laser theory; Optical reflection; Surface emitting lasers; Threshold current;
Conference_Titel :
Semiconductor Laser Conference, 2002. IEEE 18th International
Print_ISBN :
0-7803-7598-X
DOI :
10.1109/ISLC.2002.1041168
