303 citations · 498 across the 28 of their papers we have counts for
22 papers · 1 filter
Operating a contextual Stern-Gerlach apparatus
Th. K. Mavrogordatos
We propose a contextual cavity/circuit QED analogue and extension of the Stern-Gerlach experiment, where the pseudo-spin of a two-state `atomic' transition plays the role of the ``…
Statistical properties of quantum jumps between macroscopic states of light: reading an operational coherence record
Th. K. Mavrogordatos
We propose an experimental apparatus to reveal the quantum coherence manifested in downward quantum jumps of amplitude bistability. The underlying coherent superposition of macrosc…
Wave/particle duality in monitored Jaynes--Cummings resonances
Th. K. Mavrogordatos
We operationally uncover aspects of wave/particle duality for the open driven Jaynes-Cummings (JC) model in its strong-coupling limit. We lay special emphasis on the vacuum Rabi re…
Decoherence of Schrödinger cat states in light of wave/particle duality
Th. K. Mavrogordatos
We challenge the standard picture of decohering Schrödinger cat states as an ensemble average obeying a Lindblad master equation, brought about locally from an irreversible interac…
Quantum jumps in amplitude bistability: Tracking a coherent and invertible state localization
Th. K. Mavrogordatos
We investigate the nature of quantum jumps occurring between macroscopic metastable states of light in the open driven Jaynes-Cummings model. We find that, in the limit of zero spo…
Quantum-fluctuation asymmetry in multiphoton Jaynes-Cummings resonances
Th. K. Mavrogordatos
We explore the statistical behavior of the light emanating from a coherently driven Jaynes-Cummings (JC) oscillator operating in the regime of multiphoton blockade with two monitor…
Wave-particle correlations in multiphoton resonances of coherent light-matter interaction
Th. K. Mavrogordatos
We discuss the conditional measurement of field amplitudes by a nonclassical photon sequence in the Jaynes-Cummings (JC) model under multiphoton operation. We do so by employing a…
Telling different unravelings apart via nonlinear quantum-trajectory averages
Eloy Piñol, Th. K. Mavrogordatos, Dustin Keys +7
The Gorini-Kossakowski-Sudarshan-Lindblad master equation (ME) governs the density matrix of open quantum systems (OQSs). When an OQS is subjected to weak continuous measurement, i…
Telling emissions apart in a multiphoton resonance: visualizing a conditional evolution
Th. K. Mavrogordatos
We find that the phase-space representation of the electromagnetic field inside a driven cavity strongly coupled to a two-level atom can be employed to distinguish photon emissions…
Visualizing the breakdown of quantum multimodality in coherently driven light-matter interaction
Th. K. Mavrogordatos
We show that the saturation of a multiphoton transition is accompanied by a gradual collapse of quantum multimodality in the strong-coupling limit of the weakly driven Jaynes-Cummi…
Cavity-field distribution in multiphoton Jaynes-Cummings resonances
Th. K. Mavrogordatos
We calculate the cavity-field distribution in the Wigner representation for the two-photon resonance of the weakly driven Jaynes-Cummings (JC) oscillator in its strong-coupling lim…
Coherence of resonant light-matter interaction in the strong-coupling limit
Th. K. Mavrogordatos
We explore the role of quantum fluctuations in the strong-coupling limit of the dissipative Jaynes-Cummings oscillator driven on resonance. For weak excitation, we derive analytica…
Atom-field correlations in the weak-excitation limit of absorptive optical bistability
Th. K. Mavrogordatos
We calculate the steady-state and first-order time varying atom-field correlation functions in the weak-excitation limit of absorptive optical bistability from a linearized theory…
Collective atomic correlations in absorptive optical bistability without adiabatic elimination: exemplifying nonclassicality from a linearized treatment of fluctuations
Th. K. Mavrogordatos
We determine the incoherent spectrum, squeezing properties and second-order correlation function of the collective atomic degrees of freedom in absorptive optical bistability. This…
Second-order coherence of fluorescence in multi-photon blockade
Th. K. Mavrogordatos, C. Lledó
We calculate the second-order correlation function for the atomic fluorescence in the two-photon resonance operation of a driven dissipative Jaynes-Cummings oscillator. We employ a…
Monitoring the resonantly driven Jaynes-Cummings oscillator by an external two-level emitter: A cascaded open-systems approach
Themistoklis K. Mavrogordatos, Jonas Larson
We address the consequences of backaction in the unidirectional coupling of two cascaded open quantum subsystems connected to the same reservoir at different spatial locations. In…
Strong-coupling limit of the driven dissipative light-matter interaction
Th. K. Mavrogordatos
We approach the strong-coupling thermodynamic limit in the response of the open driven Jaynes-Cummings (JC) oscillator. We do so by highlighting the role of quantum fluctuations ag…
Critical slowing down in the bistable regime of circuit quantum electrodynamics
P. Brookes, G. Tancredi, A. D. Patterson +5
We investigate the dynamics of the bistable regime of the generalized Jaynes-Cummings Hamiltonian (GJC), realised by a circuit quantum electrodynamics (cQED) system consisting of a…
Driven Bose-Hubbard dimer under nonlocal dissipation: A bistable time crystal
Cristóbal Lledó, Themistoklis Mavrogordatos, Marzena Szymańska
We investigate the critical behavior of the open coherently-driven Bose-Hubbard dimer under nonlocal dissipation. A conserved quantity arises from the nonlocal nature of the dissip…
Probing the critical point of the Jaynes-Cummings second-order dissipative quantum phase transition
Th. K. Mavrogordatos
We highlight the importance of quantum fluctuations in organizing a dissipative quantum phase transition for the driven Jaynes-Cummings interaction with variable qubit-cavity detun…
Rare quantum metastable states in the strongly dispersive Jaynes-Cummings oscillator
Th. K. Mavrogordatos, F. Barratt, U. Asari +3
We present evidence of metastable rare quantum-fluctuation switching for the driven dissipative Jaynes-Cummings oscillator coupled to a zero-temperature bath in the strongly disper…
Quantum phase transitions in the driven dissipative Jaynes-Cummings oscillator: from the dispersive regime to resonance
Th. K. Mavrogordatos
We follow the passage from complex amplitude bistability to phase bistability in the driven dissipative Jaynes-Cummings oscillator. Quasidistribution functions in the steady state…