Paper
4 March 2015 Ultrafast non-equilibrium carrier dynamics in semiconductor laser mode-locking
I. Kilen, C. N. Böttge, J. Hader, S. W. Koch, J. V. Moloney
Author Affiliations +
Abstract
The mode-locking dynamics of a vertical external-cavity surface-emitting laser with saturable absorber is analyzed using a microscopic many-body theory. The light field is treated at the level of Maxwell’s equations and the quantum-wells are modeled using the semiconductor Bloch equations. The carrier relaxation and the polarization dephasing dynamics is treated at different levels of approximation ranging from a simple rate approximation to the second-Born–Markov level. Examples of mode-locked pulse generation are presented identifying the regimes for stable ultra-short pulses, multiple pulse generation, and instability.
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I. Kilen, C. N. Böttge, J. Hader, S. W. Koch, and J. V. Moloney "Ultrafast non-equilibrium carrier dynamics in semiconductor laser mode-locking", Proc. SPIE 9349, Vertical External Cavity Surface Emitting Lasers (VECSELs) V, 934902 (4 March 2015); https://doi.org/10.1117/12.2080065
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KEYWORDS
Mode locking

Quantum wells

Polarization

Antimony

Picosecond phenomena

Semiconductor lasers

Carrier dynamics

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