Analysis of vertical-cavity surface-emitting laser multimode behavior

This paper investigates problems associated with multimode oscillation in vertical-cavity surface-emitting lasers (VCSELs). The multimode rate equations for transverse mode were formulated. These equations take into account carrier diffusion and gain nonuniformity in the lateral direction. It was sh...

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Bibliographic Details
Published in:IEEE journal of quantum electronics 1997-06, Vol.33 (6), p.980-988
Main Authors: Morozov, V.N., Neff, J.A., Haijun Zhou
Format: Article
Language:English
Subjects:
Diode lasers
Efficiency, stability, gain, and other operational parameters
Equations
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Laser excitation
Laser modes
Laser optical systems: design and operation
Laser theory
Lasers
Optical losses
Optics
Physics
Semiconductor laser arrays
Semiconductor lasers
Semiconductor lasers
laser diodes
Surface emitting lasers
Vertical cavity surface emitting lasers
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Summary:This paper investigates problems associated with multimode oscillation in vertical-cavity surface-emitting lasers (VCSELs). The multimode rate equations for transverse mode were formulated. These equations take into account carrier diffusion and gain nonuniformity in the lateral direction. It was shown that multimode transverse mode excitation is due to carrier spatial hole burning, but many factors affect the number of lasing modes. The role of gain nonuniformity distribution, carrier diffusion, and modal loss compared with mirror loss in a cavity were demonstrated by numerical solution of the multimode rate equations.
ISSN:0018-9197
1558-1713
DOI:10.1109/3.585486