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optoelectronics
Features
  • self-consistent Schrödinger and Poisson equations
  • 1D, 2D, 3D
  • single-band effective mass, 6x6 k.p and 8x8 k.p approximation

Tutorials
QCL
Quantum-Cascade Lasers
(GaAs/AlGaAs, InGaAs/AlInAs on InP, Si/SiGe)

Multi-QWs
Intersubband transitions in InGaAs/AlInAs multiple quantum well systems

QCSE
Quantum Confined Stark Effect

pn
pn-junction

bulk GaN
k.p dispersion in bulk unstrained, compressively and tensilely strained GaN (wurtzite)

GaN/AlGaN QW
k.p dispersion of an unstrained GaN QW embedded between strained AlGaN layers

Absorption in QWs
Optical absorption of an InGaAs quantum well

Interband
Optical interband transitions in a quantum well - Matrix elements and selection rules

Intraband transitions
Optical intersubband transitions in a quantum well - Intraband matrix elements and selection rules

Superlattices
Dispersion in infinite superlattices: Minibands

type-II heterostructures
InAs / GaSb broken gap quantum well (BGQW)
InAs / In0.4Ga0.6Sb superlattice dispersion with 8x8 k.p
(type-II band alignment)

Lifetime
Scattering times for electrons in unbiased and biased single and multiple quantum wells

QWRs / CEO
Electron and hole wavefunctions in a T-shaped quantum wire grown by CEO (2D)
(cleaved edge overgrowth)
Electron and hole wavefunctions in a T-shaped strained quantum wire grown by CEO (2D)
Cleaved edge overgrowth quantum dots (CEO QDs) (3D)

QDs (3D)
Nanocrystals (spherical quantum dots)
Energy levels in idealistic 3D cubic and cuboidal shaped quantum dots
Exciton and biexciton correction in idealistic 3D cubic quantum dots
Energy levels in a pyramidal shaped InAs/GaAs quantum dot including strain and piezoelectric fields
Hexagonal shaped GaN quantum dot embedded in AlN (wurtzite)

Nanowires
Energy dispersion of a cylindrically shaped GaN nanowire (2D)
Exciton correction in quantum wires (2D)

Magnetic field
Fock-Darwin states of a 2D parabolic potential in a magnetic field (2D)
Vertically coupled quantum wires in a longitudinal magnetic field (2D)


Further tutorials
Complete list of all tutorials

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