271 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- British University in EgyptEG24 papers
- Brown UniversityUS23 papers
- Helsinki Institute of PhysicsFI23 papers
- A. Alikhanyan National LaboratoryAM22 papers
- Adıyaman UniversityTR22 papers
- Ain Shams UniversityEG22 papers
- Boğaziçi UniversityTR22 papers
- Boston UniversityUS22 papers
- Brunel University of LondonGB22 papers
- California Institute of TechnologyUS22 papers
- Carnegie Mellon UniversityUS22 papers
- Centro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalMX22 papers
22 papers · 1 filter
Evolution of cat states in a dissipative parametric amplifier: decoherence and entanglement
Faisal A. A. El-Orany, J. Perina, V. Perinova +1
The evolution of the Schrödinger-cat states in a dissipative parametric amplifier is examined. The main tool in the analysis is the normally ordered characteristic function. Squeez…
Squeezing properties of the Kerr-down conversion system
Faisal A. A. El-Orany, M. Sebawe Abdalla, J. Perina
In this Letter we describe a new two-mode system, which consists of Kerr-like medium and down conversion process, called the Kerr-down conversion system. Under a certain condition…
Robustness of nonclassical superpositions states against decoherence
Faisal A. A. El-Orany
We make a comparative study of quadrature squeezing, photon-number distribution and Wigner function in a decayed quantum system. Specifically, for a field mode prepared initially i…
Variance squeezing and entanglement of the XX central spin model
Faisal A. A. El-Orany, M Sebawe Abdalla
In this paper, we study the quantum properties for a system that consists of a central atom interacting with surrounding spins through the Heisenberg couplings of equal streng…
Continuous-variable Quantum Key Distribution protocols with eight-state discrete modulation
A. Becir, F. A. A. El-Orany, M. R. B. Wahiddin
We propose a continuous variable quantum key distribution protocol based on discrete modulation of eight-state coherent states. We present a rigorous security proof against the col…
Quantum properties of the three-mode squeezed operator: triply concurrent parametric amplifiers
Faisal A. A. El-Orany, Azeddine Messikh, Gharib S. Mahmoud +1
In this paper, we study the quantum properties of the three-mode squeezed operator. This operator is constructed from the optical parametric oscillator based on the three concurren…
Linear atomic quantum coupler
Faisal A. A. El-Orany, Wahiddin M. R. B
In this paper, we develop the notion of the linear atomic quantum coupler. This device consists of two modes propagating into two waveguides, each of them includes a localized and/…
Squeezing evolution with non-dissipative SU(1,1) systems
Faisal A. A. El-Orany, S. S. Hassan, M. Sebawe Abdalla
We investigate the squeezed regions in the phase plane for non-dissipative dynamical systems controlled by SU(1,1) Lie algebra. We analyze such study for the two SU(1,1) generalize…
On the evolution of superposition of squeezed displaced number states with the multiphoton Jaynes-Cummings model
Faisal A A El-Orany, A-S Obada
In this paper we discuss the quantum properties for superposition of squeezed displaced number states against multiphoton Jaynes-Cummings model (JCM). In particular, we investigate…
The revival-collapse phenomenon in the quadrature field components of the two-mode multiphoton Jaynes-Cummings model
Faisal A A El-Orany
In this paper we consider a system consisting of a two-level atom in an excited state interacting with two modes of a radiation field prepared initially in -photon coherent stat…
Quantum phase properties of two-mode Jaynes-Cummings model for Schrödinger-cat states: interference and entanglement
Faisal A. A. El-Orany, M. H. Mahran, M. R. B. Wahiddin +1
In this paper we investigate the quantum phase properties for the coherent superposition states (Schrödinger-cat states) for two-mode multiphoton Jaynes-Cummings model in the frame…
Revival-collapse phenomenon in the fluctuations of quadrature field components of the multiphoton Jaynes-Cummings model
Faisal A. A. El-Orany
In this paper we consider a system consisting of a two-level atom, initially prepared in a coherent superposition of upper and lower levels, interacting with a radiation field prep…
Single mode quantum properties of the codirectional Kerr nonlinear coupler: frequency mismatch and exact solution
Faisal A. A. El-Orany, M. Sebawe Abdalla, J. Perina
In this paper, we investigate the single mode quantum properties of the codirectional Kerr nonlinear coupler when the frequency mismatch is involved and a condition for an exact so…
Quantum properties of the codirectional three-mode Kerr nonlinear coupler
Faisal A. A. El-Orany, M. Sebawe Abdalla, Jan Perina
We investigate the quantum properties for the codirectional three-mode Kerr nonlinear coupler. We investigate single-, two- and three-mode quadrature squeezing, Wigner function and…
Higher-order squeezing for the codirectional Kerr nonlinear coupler
Faisal Aly Aly El-Orany, Jan Perina
In this Letter we study the evolution of the higher-order squeezing, namely, th-order single-mode squeezing, sum- and difference-squeezing for the codirectional Kerr nonlinear c…
Quantum properties of a superposition of squeezed displaced two-mode vacuum and single-photon states
Faisal A. A. El-Orany, A-S. F. Obada, Zafer M. Asker +1
In this paper, we study some quantum properties of a superposition of displaced squeezed two-mode vacuum and single-photon states, such as the second-order correlation function, th…
Marginal and density atomic Wehrl entropies for the Jaynes-Cummings model
Faisal A. A. El-Orany
In this paper, we develop the notion of the marginal and density atomic Wehrl entropies for two-level atom interacting with the single mode field, i.e. Jaynes-Cummings model. For t…
Relationship between the atomic inversion and Wigner function for multiphoton multimode Jaynes-Cummings model
Faisal Aly Aly El-Orany
In this paper we consider multimode multiphoton Jaynes-Cummings model, which consists of a two-level atom, initially prepared in an excited atomic state, interacting with modes…
Revival-collapse phenomenon in the quadrature squeezing of the multiphoton Jaynes-Cummings model with the binomial states
Faisal A. A. El-Orany
In this paper we study the interaction between two-level atom and quantized single-mode field, namely, Jaynes-Cummings model (JCM). The field and the atom are initially prepared in…
Entanglement in the bimodal Jaynes-Cummings model with the two-mode squeezed vacuum state
Faisal A. A. El-Orany, S. Abdel-Khalek, M. Abdel-Aty +1
In this paper, we study the interaction between the two-level atom and a bimodal cavity field, namely, two-mode Jaynes-Cummings model when the atom and the modes are initially in t…
Single-atom entropy squeezing for two two-level atoms interacting with a single-mode radiation field
Faisal A. A. El-Orany, Wahiddin M R B, Obada A-S F
In this paper we consider a system of two two-level atoms interacting with a single-mode quantized electromagnetic field in a lossless resonant cavity via -photon-transition mec…
Evolution of the superposition of displaced number states with the two-atom multiphoton Jaynes-Cummings model: interference and entanglement
Faisal Aly Aly El-Orany
In this paper we study the evolution of the two two-level atoms interacting with a single-mode quantized radiation field, namely, two-atom multiphoton Jaynes-Cummings model when th…