
Proceedings Paper
Simulation of gain in quantum cascade lasersFormat | Member Price | Non-Member Price |
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Paper Abstract
The gain profile of a quantum cascade laser is strongly influenced by the lifetime of the carriers in the upper and
lower laser state. The quantitative description of gain within the concept of nonequilibrium Green's functions
allows for a detailed understanding of various features affecting the gain spectrum: Compensation effects between
scattering processes in the upper and lower laser level, reduction of gain due to coherences between nearly
degenerate upper laser states, and dispersive gain without inversion.
Paper Details
Date Published: 3 February 2009
PDF: 10 pages
Proc. SPIE 7230, Novel In-Plane Semiconductor Lasers VIII, 72301A (3 February 2009); doi: 10.1117/12.808882
Published in SPIE Proceedings Vol. 7230:
Novel In-Plane Semiconductor Lasers VIII
Alexey A. Belyanin; Peter M. Smowton, Editor(s)
PDF: 10 pages
Proc. SPIE 7230, Novel In-Plane Semiconductor Lasers VIII, 72301A (3 February 2009); doi: 10.1117/12.808882
Show Author Affiliations
Carsten Weber, Lund Univ. (Sweden)
Published in SPIE Proceedings Vol. 7230:
Novel In-Plane Semiconductor Lasers VIII
Alexey A. Belyanin; Peter M. Smowton, Editor(s)
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