Descriptif

Part 1

Fundamentals of solid state physics:

Band structure and Bloch theorem

Density of states

Effective mass

Overview of phonons

Envelope function approximation

Electron – phonon interaction: weak coupling regime

Fermi golden rule

Rabi oscillations

Importance of energy loss in opto-electronic devices

Electron – phonon interaction: strong coupling regime

Polarons in quantum dots

Energy relaxation within polaron framework

Part 2

Optical absorption in a bulk material

Direct absorption, indirect absorption, selection rules

Excitons

Optical absorption in a quantum well

Interband and intraband transitions

Type I and type II quantum wells, superlattice

Excitonic effects

Optical emission in bulk materials and quantum wells

Einstein coefficients

Luminescence

Different kinds of experience: electroluminescence, photoluminescence, excitation spectroscopy, time-resolved photoluminescence

Effect of an external electric field on heterostructure electronic states and optical properties

Effect of an external magnetic field on heterostructure electronic states and optical properties

Examples of problem class:

Density of states and energy states calculation in various kind of heterostructures

Determination of electrons lifetime in presence of phonons

Calculation of absorption coefficient in a bulk material

Optical absorption in a quantum well

Landau levels and magnetoabsorption