Mode-locking dynamics in electrically driven vertical-external-cavity surface-emitting lasers

We develop a novel description of electrically driven vertical-external-cavity surface-emitting semiconductor lasers (VECSELs) mode-locked by saturable absorber mirrors. Our approach is based on an analytical solution of the bidirectional traveling-wave equations for fundamental transverse mode oper...

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Bibliographic Details
Published in:IEEE journal of quantum electronics 2005-09, Vol.41 (9), p.1148-1156
Main Authors: Mulet, J., Balle, S.
Format: Article
Language:English
Subjects:
Boundary conditions
Delay
Emittance
Equations
Evolution
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Laser mode locking
Laser optical systems: design and operation
Lasers
Mathematical analysis
Mirrors
Mode-locked lasers
Modulation, tuning, and mode locking
Optics
Physics
Quantum electronics
Quantum well lasers
Quantum wells
semiconductor device modeling
Semiconductor lasers
Semiconductor lasers
laser diodes
Surface emitting lasers
Time domain analysis
Vertical cavity surface emitting lasers
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Description
Summary:We develop a novel description of electrically driven vertical-external-cavity surface-emitting semiconductor lasers (VECSELs) mode-locked by saturable absorber mirrors. Our approach is based on an analytical solution of the bidirectional traveling-wave equations for fundamental transverse mode operation. The resulting time-domain equations describe the evolution of the electric fields and carrier-densities at the quantum-well layers of the emitter and absorber structures which are coupled through delayed boundary conditions. For the design considered, we obtain stable mode-locked pulses of few tens of picoseconds at 15-GHz repetition rate in agreement with recently reported experimental results.
ISSN:0018-9197
1558-1713
DOI:10.1109/JQE.2005.853355