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The effects of stress, temperature, and spin flips on polarization switching in vertical-cavity surface-emitting lasers

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6 Author(s)
G. Van der Sande ; Dept. of Appl. Phys. & Photonics, Vrije Univ., Brussels, Belgium ; M. Peeters ; I. Veretennicoff ; J. Danckaert
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We discuss the effect of uniaxial planar stress on polarization switching in vertical-cavity surface-emitting lasers (VCSELs). The approach is based on an explicit form of a frequency-dependent complex susceptibility of the uniaxially stressed quantum-well semiconductor material. In this mesoscopic framework, we have taken cavity anisotropies, spin carrier dynamics, and thermal shift of the gain curve into account. In this way, we present a model that provides a global overview of the polarization switching phenomenon. The results are compared with experiments on an air-post VCSEL operating at 980 nm

Published in:

IEEE Journal of Quantum Electronics  (Volume:42 ,  Issue: 9 )