Physics Doctoral School, University of Pécs - Programmes of Doctoral School

Quantum optics and quantum informatics

Leader:
Dr. János Bergou
OSA, APS fellow, professor emeritus

Quantum Optics

  • Application of quantum trajectory methods to the description of quantum optical systems
  • Coherent control in atomic systems
  • Coherent control and manipulation of quantum systems with phase-modulated laser pulses
  • Slow light with frequency-modulated laser pulses: Applications to quantum information and resonant nonlinear optics
  • Collective optical excitations of ultracold atomic gases
  • Study of the interaction between light and bound-state ions
  • Propagation of electromagnetic fields in photonic crystal-optical fibers
  • Analog Hawking radiation in moving Bose-Einstein condensates
  • Properties of quantum random walks, their role in quantum information systems and quantum optical implementations
  • Multiphoton scattering of electrons
  • Dependence on the absolute phase of interactions with few-cycle femtosecond pulses
  • Gauge-invariant Wigner functions of charged particles
  • S-wave Wigner functions in arbitrary higher dimensions

Quantum Informatics

  • Behavior of entanglement in various physical systems and processes, like, e.g, quantum optical setups and solid-state systems
  • Realization of quantum computers. Problems related to specific platforms, such as, e.g., atomic, ionic and optical implementations
  • Foundations of quantum mechanics in view of information theory: measurement theory, nonlocality, Bell inequalities, interpretations
  • Strongly correlated systems in two dimensions
  • Fractional quantum Hall effect
  • Employing decohering quantum systems in quantum information protocols
  • Practical applications of nonclassical light
  • Investigation of error-free capacities of quantum channels

Laser physics, nonlinear optics and spectroscopy

Vezető:
Dr. János Hebling
OSA fellow, full professor, Research Group Leader
  • "Time-resolved" spectroscopic investigation of molecular interactions on the fs-ns scale
  • Development and application of integrating spheres on studying low cross-section transitions
  • Investigation of LiTaO3 crystals having high optical damage threshold
  • Development and critical investigation of the theories of Z-scan measurement
  • Generation of high intensity ultrashort THz pulses by optical rectification
  • Investigation of transient dynamics induced by THz pulses
  • THz pump-probe measurements
  • Investigation of the physical properties of graphene
  • Investigation of nonlinear photonic crystals
  • High resolution spectroscopy of rare earth element doped optical crystals
  • Development of optical and opto-electronic devices based on periodically poled LiNbO3 crystals
  • Development of ultrashort pulse OPOs and OPAs
  • Simulations of the interaction of high intensity electromagnetic fields with charged particles by PIC methods
  • The role of hydroxide ion sin nonlinear optical crystals
  • Thermal fixing of hologram sin photorefractive crystals
  • ESR investigation of transition metals in LiNbO3
  • Experimental and theoretical investigation of capillary z-pinch soft-X-ray lasers
  • Experimental and theoretical investigation of capillary z-pinch optical waveguides
  • Nonlinear optics with soft-X-ray lasers
  • Measurement of aerosols with lasers: determination of particle site and concentration
  • Investigation of biological effects of aerosols
  • Energy transfer and fluorescence quenching in guest-host complexes of cavitands
  • Surface characterization by interferometric methods
  • Modelling and development of particle counters
  • Laser based methods in the determination of atmospheric parameters

Physics of many-particle systems

Vezető:
Dr. Tamás Gál
associate professor and head of department
  • The Heisenberg model as quantum field theory
  • Properties of mesons and baryons in nuclear medium
  • Spectroscopy of exotic hadrons
  • Topological excitations in QCD
  • Experimental investigation of low-pressue gas discharges
  • Development of modelling methods for low-pressue gas discharges
  • Particle-based simulation of electronkinetics
  • Simulation of strongly correlated many-particle systems of plasma physics
  • Development and microscopy of new multicomponent nanocomposites
  • Development of energy density functionals for many-electron systems
  • Theoretical studies of macromolecules in the framework of density functional theory
  • Development of density functional theory for excited states
  • Electron microscopy of wide bandgap semiconductors, SiC and GaN
  • Fusion rules and the pentagon equation