Coherence and Spatial Resolution of Transport in Quantum Cascade Lasers

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dc.creatorWacker, Andreas
dc.date2007-06-28
dc.date.accessioned2026-07-07T08:51:41Z
dc.date.available2026-07-07T08:51:41Z
dc.descriptionThe method of nonequilibrium Greens functions allows for a spatial and energetical resolution of the electron current in Quantum Cascade Lasers. While scattering does not change the spatial position of carriers, the entire spatial evolution of charge can be attributed to coherent transport by complex wave functions. We discuss the hierarchy of transport models and derive the density matrix equations as well as the hopping model starting from the nonequilibrium Greens functions approach.
dc.description6 pages, figures included, submitted to Proceedings of HCIS-15, physica status solidi (c)
dc.identifierhttps://arxiv.org/abs/0706.4202
dc.identifierhttp://arxiv.org/abs/0706.4202
dc.identifierphysica status solidi c 5, 215 (2008)
dc.identifierdoi:10.1002/pssc.200776508
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/145020
dc.subjectMesoscale and Nanoscale Physics
dc.titleCoherence and Spatial Resolution of Transport in Quantum Cascade Lasers
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