Title :
Photonic crystal Vertical Cavity Surface Emitting Lasers (PC-VCSELs) - The future for high power single mode behaviour
Author :
Rorison, J.M. ; Ivanov, P.
Author_Institution :
Dept. of Electr. & Electron. Eng., Univ. of Bristol, Bristol, UK
fDate :
June 28 2009-July 2 2009
Abstract :
Vertical Cavity Surface Emitting Lasers (VCSELs) have many advantages but their multi-mode transverse mode behaviour introduces problems for applications where output mode shape is important such as injection into fibre. Several groups world-wide have been investigating introducing photonic-crystal-hole patterns into the top-DBR to control the transverse modes. This has been observed to enhance the range of single mode behaviour but at the cost of low-output power. In addition there have been observations of altered modulation speed characteristics.
Keywords :
distributed Bragg reflector lasers; laser beams; laser modes; optical materials; optical modulation; photonic crystals; semiconductor lasers; surface emitting lasers; VCSEL; high power single mode behaviour; modulation speed characteristics; multimode transverse mode behaviour; photonic crystal vertical cavity surface emitting laser; photonic-crystal-hole patterns; transverse modes; Equations; Laser modes; Optical modulation; Optical surface waves; Optical waveguides; Photonic crystals; Power lasers; Stimulated emission; Surface emitting lasers; Vertical cavity surface emitting lasers;
Conference_Titel :
Transparent Optical Networks, 2009. ICTON '09. 11th International Conference on
Conference_Location :
Azores
Print_ISBN :
978-1-4244-4825-8
Electronic_ISBN :
978-1-4244-4827-2
DOI :
10.1109/ICTON.2009.5185269
