Research Interest - Walter Pötz
General: Theory of Semiconductors and Semiconductor Microstructures:
Electronic Structure (wherever needed for a dynamical description of a system):
Disorder in semiconductor alloys
amorphous
semiconductors and heterostructure
Charge Transport:
bridge macroscopic (classical) world to microscopic (quantum-mechanical) world
contact
problem, open quantum systems, and dissipation
(Quantum-)Optical Properties
and
Coherent Phenomena in Semiconductors:
(a)
Coherent multiple-pulse excitation of semiconductor
heterostructures:
gain w/o inversion, slowing of light,
coherent control (of photo-absorption, final-state population, optical
gain, phonon emission)
(b) Structural (Fano) resonances and coherent control
(c) Theory of optical excitations (e.g. four-wave mixing, excitonic effects, etc.)
(d) Adiabatic manipulation of electronic transitions
(e)
Coupled electron-phonon dynamics
(f)
Optimal Control of Quantum Processes
(f)
Spin systems