https://doi.org/10.15407/spqeo6.03.316
Semiconductor Physics, Quantum Electronics & Optoelectronics. 2003. V. 6, N 3. P. 316-318.
PACS: 78.67.De
Many particle and bandstructure
effects in intersubband quantum well optics
M.F. Pereira Jr.
NMRC, University College, Lee Maltings,
Prospect Row, Cork, Ireland
Phone: +353 21 490 4178; fax: +353 21 490 4058; e-mail: mpereira@nmrc.ie.
Abstract.
In this paper, intersubband optical absorption spectra are computed from
an optical susceptibility derived from the many-body formalism. The theory
is valid for both non-equilibrium and equilibrium conditions. Numerical
results are presented for III-V quantum wells at equilibrium, and electron
subband nonparabolicity is partially taken into account by means of different
effective masses, adjusted to non-parabolic bands calculated with a 8x8
k p Hamiltonian.
Keywords:
quantum well, intersubband transitions, many-body formalism
Paper received 16.04.03; accepted for publication
17.06.03.
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