256 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of SzegedHU42 papers
- HUN-REN Wigner Research Centre for PhysicsHU33 papers
- Hungarian Academy of SciencesHU21 papers
- University of DebrecenHU20 papers
- Foundation for Research and Technology HellasGR19 papers
- University of CreteGR14 papers
- Max-Born-Institute for Nonlinear Optics and Short Pulse SpectroscopyDE12 papers
- University of PecsHU12 papers
- Heidelberg UniversityDE11 papers
- Institució Catalana de Recerca i Estudis AvançatsES11 papers
- Institute of Photonic SciencesES11 papers
- Technion – Israel Institute of TechnologyIL10 papers
28 papers · 1 filter
Wave packet motion in a quantized electromagnetic field: Analytic results
Szabolcs Hack, Béla Gábor Pusztai, Krisztina Joós +3
We investigate the dynamics of a charged particle interacting with a multimode quantized electromagnetic field and obtain an analytic solution for the full electron--field system.…
Hidden facts in Landau-Zener transitions revealed by the Riccati Equation
Eric P. Glasbrenner, Yannik Gerdes, Sándor Varró +1
We express the dynamics of the two probability amplitudes in the elementary Landau-Zener problem in terms of the solution of the corresponding Riccati differential equation and ide…
Quantum state engineering of light using intensity measurements and post-selection
J. Rivera-Dean, Th. Lamprou, E. Pisanty +4
Quantum state engineering of light is of great interest for quantum technologies, particularly generating non-classical states of light, and is often studied through quantum condit…
Squeezed states of light after high-harmonic generation in excited atomic systems
J. Rivera-Dean, H. B. Crispin, P. Stammer +6
High-harmonic generation (HHG) has recently emerged as a promising method for generating non-classical states of light with frequencies spanning from the infrared up to the extreme…
Quantum Optical Aspects of High-Harmonic Generation
Sándor Varró
The interaction of electrons with strong laser fields is usually treated with semiclassical theory, where the laser is represented by an external field. There are analytic solution…
Parametric model for high-order harmonic generation with quantized fields
Ákos Gombkötő, Sándor Varró, Béla Gábor Pusztai +4
A quantum optical model for the high-order harmonic generation is presented, in which both the exciting field and the high harmonic modes are quantized, while the target material a…
Entanglement and squeezing of the optical field modes in high harmonic generation
Philipp Stammer, Javier Rivera-Dean, Andrew S. Maxwell +5
Squeezing of optical fields, used as a powerful resource for many applications, and the radiation properties in the process of high harmonic generation have thus far been considere…
Nonlinear optics using intense optical coherent state superpositions
Theocharis Lamprou, Javier Rivera-Dean, Philipp Stammer +2
Superpositions of coherent light states, are vital for quantum technologies. However, restrictions in existing state preparation and characterization schemes, in combination with d…
Strong laser physics, non-classical light states and quantum information science
Utso Bhattacharya, Theocharis Lamprou, Andrew S. Maxwell +7
Strong laser physics is a research direction that relies on the use of high-power lasers and has led to fascinating achievements ranging from relativistic particle acceleration to…
Light-matter entanglement after above-threshold ionization processes in atoms
Javier Rivera-Dean, Philipp Stammer, Andrew S. Maxwell +4
Light-matter entanglement plays a fundamental role in many applications of quantum information science. Thus, finding processes where it can be observed is an important task. Here,…
Quantum electrodynamics of intense laser-matter interactions: A tool for quantum state engineering
Philipp Stammer, Javier Rivera-Dean, Andrew Maxwell +5
Intense laser-matter interactions are at the center of interest in research and technology since the development of high power lasers. They have been widely used for fundamental st…
Coherent and incoherent superposition of transition matrix elements of the squeezing operator
Sandor Varro
We discuss the general matrix elements of the squeezing operator between number eigenstates of a harmonic oscillator (which may also represent a quantized mode of the electromagnet…
Strong laser fields and their power to generate controllable high-photon-number coherent-state superpositions
Javier Rivera-Dean, Theocharis Lamprou, Emilio Pisanty +5
Recently, intensely driven laser-matter interactions have been used to connect the fields of strong laser field physics with quantum optics by generating non-classical states of li…
High photon number entangled states and coherent state superposition from the extreme-ultraviolet to the far infrared
Philipp Stammer, Javier Rivera-Dean, Theocharis Lamprou +4
We present a theoretical demonstration on the generation of entangled coherent states and of coherent state superpositions, with photon numbers and frequencies orders of magnitude…
Quantum interference in strong-field ionization by a linearly polarized laser pulse, and its relevance to tunnel exit time and momentum
Szabolcs Hack, Szilárd Majorosi, Mihály G. Benedict +2
We investigate the liberation of an atomic electron by a linearly polarized single-cycle near-infrared laser pulse having a peak intensity that ensures tunneling. Based on phase sp…
Nonadiabatic phenomena in molecular vibrational polaritons
Tamás Szidarovszky, Péter Badankó, Gábor J. Halász +1
Nonadiabatic phenomena are investigated in the rovibrational motion of molecules confined in an infrared cavity. Conical intersections (CIs) between vibrational polaritons, similar…
A quantum optical description of photon statistics and cross-correlations in high harmonic generation
Ákos Gombkötő, Péter Földi, Sándor Varró
We present a study of photon statistics associated with high-order harmonic generation (HHG) involving one-mode and intermodal correlations of the high harmonic photons. The aim of…
High-order harmonics as induced by a quantized field:a phase-space picture
Ákos Gombkötő, Sándor Varró, Péter Mati +1
The interaction of matter with a quantized electromagnetic mode is considered. Representing a strong exciting field, the mode is assumed to contain a large number of photons. As a…
Scattering of charged particles on two spatially separated time-periodic optical fields
Lóránt Zs. Szabó, Mihály G. Benedict, Péter Földi
We consider a monoenergetic beam of moving charged particles interacting with two separated oscillating electric fields. Time-periodic linear potential is assumed to model the ligh…
Self-similarity analysis of the non-linear Schrödinger equation in the Madelung form
Imre F. Barna, Mihály A. Pocsai, L. Mátyás
In the present study a particular case of Gross-Pitaevskii or non-linear Schrödinger equation is rewritten to a form similar to a hydrodynamic Euler equation using the Madelung tra…
Quantum entanglement in strong-field ionization
Szilárd Majorosi, Mihály G. Benedict, Attila Czirják
We investigate the time-evolution of quantum entanglement between an electron, liberated by a strong few-cycle laser pulse, and its parent ion-core. Since the standard procedure is…
Analytic solutions of the Madelung equation
Imre F. Barna, Mihály A. Pocsai, László Mátyás
We present analytic self-similar solutions for the one, two and three dimensional Madelung hydrodynamical equation for a free particle. There is a direct connection between the zer…
Gauge invariance and the interpretation of inter- and intraband processes in high-order harmonic generation from bulk solids
Peter Foldi
A theoretical model for high-order harmonic generation (HHG) in bulk solids is considered. Our approach treats laser-induced inter- and intraband currents on an equal footing. The…
Quasiparticles in an interacting system of charge and monochromatic field
P. Mati
The spectrum of an exactly solvable non-relativistic system of a charged particle interacting with a quantized electromagnetic mode is studied with various polarizations. Quasipart…