Influence of microscopic many-body scattering on multi-wavelength VECSEL lasing

I. Kilen; J. Hader; S. W. Koch; J. V. Moloney

doi:10.1117/12.2510516

4 March 2019 Influence of microscopic many-body scattering on multi-wavelength VECSEL lasing

I. Kilen, J. Hader, S. W. Koch, J. V. Moloney

Proceedings Volume 10901, Vertical External Cavity Surface Emitting Lasers (VECSELs) IX; 109010E (2019) https://doi.org/10.1117/12.2510516
Event: SPIE LASE, 2019, San Francisco, California, United States

Abstract

Non-equilibrium multi-wavelength operation of vertical external-cavity surface-emitting lasers (VECSELs) is investigated numerically using a coupled system of Maxwell semiconductor Bloch equations. The propagation of the electromagnetic field is modeled using Maxwell’s equations, and the semiconductor Bloch equations simulate the optically active quantum wells. Microscopic many-body carrier-carrier and carrier-phonon scattering are treated at the level of second Born-Markov approximation, polarization dephasing with a characteristic rate, and carrier screening with the static Lindhard formula. At first, an initialization scheme is constructed to study multi-wavelength operation in a time-resolved VECSEL. Intracavity dual-wavelength THz stabilization is examined using longitudinal modes and an intracavity etalon. In the latter, anti-correlated noise is observed for THz generation and investigated.

Citation Download Citation

I. Kilen, J. Hader, S. W. Koch, and J. V. Moloney "Influence of microscopic many-body scattering on multi-wavelength VECSEL lasing", Proc. SPIE 10901, Vertical External Cavity Surface Emitting Lasers (VECSELs) IX, 109010E (4 March 2019); https://doi.org/10.1117/12.2510516

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