Title :
Determination of the refractive index profile in VCSELs by spatial-spectral mode imaging
Author :
Salsbury, M. ; Gordon, R.
Author_Institution :
Dept. of Electr. & Comput. Eng., Victoria Univ., Canada
Abstract :
We imaged the near-field intensity distribution of vertical-cavity surface-emitting lasers (VCSELs) to determine the spatial and spectral distribution of the modes. These mode distributions were used to calculate the refractive index distribution of broad-area VCSELs.
Keywords :
laser cavity resonators; laser variables measurement; refractive index; spectrometers; surface emitting lasers; VCSEL; near-field intensity distribution; refractive index; spatial-spectral mode imaging; spectral distribution; vertical-cavity surface-emitting laser; Frequency; Laser modes; Lenses; Optical imaging; Refractive index; Semiconductor lasers; Spectroscopy; Surface emitting lasers; Temperature distribution; Vertical cavity surface emitting lasers;
Conference_Titel :
Lasers and Electro-Optics, 2005. (CLEO). Conference on
Print_ISBN :
1-55752-795-4
DOI :
10.1109/CLEO.2005.202130
