20 citations · 106 across the 26 of their papers we have counts for
26 papers
Performance of a two-mode coherent superposed channel in continuous-variable quantum teleportation
Deepak, Arpita Chatterjee
Glauber's coherent state is denoted by and its two-mode extension is represented by . In this work, we introduce a two-mode superposition operator $A=tab+ra^\dag…
A phase-space approach for performing continuous-variable quantum teleportation with a non-Gaussian resource
Ankita, Arpita Chatterjee
We present a detailed phase-space analysis of continuous-variable quantum teleportation using a photon-subtracted two-mode squeezed Fock state (PS-TMSFS) as an entangled resource.…
Optimizing realistic continuous-variable quantum teleportation with non-Gaussian resources
Ankita, Arpita Chatterjee
In this work, we investigate the performance of non-Gaussian entangled resources in continuous-variable quantum teleportation within a realistic setting. We describe the characteri…
Quantum phase properties of a state driven by a classical field
Naveen Kumar, Arpita Chatterjee
We consider a nonclassical state generated by an atom-cavity field interaction in presence of a driven field. In the scheme, the two-level atom is moved through the cavity and driv…
Analyzing performance of -deformed displaced Fock state in continuous-variable quantum teleportation
Deepak, Arpita Chatterjee
Performing non-Gaussian operations, namely photon addition, photon subtraction, photon-addition-then-subtraction, photon-subtraction-then-addition can successfully enhance the fide…
Nonclassical properties of a state generated by a driven dispersive interaction
Naveen Kumar, Arpita Chatterjee
We consider a cavity field state, which is created by the atom-cavity field's interaction in the presence of a driven field. The two-level atom passes through the cavity and is dri…
Nonclassicality in a dispersive atom-cavity field interaction in presence of an external driving field
Naveen Kumar, Arpita Chatterjee
We investigate nonclassical properties of a state generated by the interaction of a three-level atom with a quantized cavity field and an external classical driving field. In this…
Detecting Nonclassicality and quantum non-Gaussianity of photon subtracted displaced Fock state
Deepak, Arpita Chatterjee
In this paper, a quantitative investigation of the non-classical and quantum non-Gaussian characters of the photon-subtracted displaced Fock state , w…
Lower-vs-Higher Order Non-classicality of Photon-added Bell-type Entangled Coherent States
Deepak, Arpita Chatterjee
We compare the lower and higher order non-classicality of a class of the photon-added Bell-type entangled coherent states (PBECS) got from Bell-type entangled coherent states using…
General expansion of natural power of linear combination of Bosonic operators in normal order
Deepak, Arpita Chatterjee
In quantum mechanics, bosonic operators are mathematical objects that are used to represent the creation () and annihilation () of bosonic particles. The natural powe…
A comparative study of higher-order nonclassicalities of photon-added-then-subtracted and photon-subtracted-then-added quantum states
Deepak, Arpita Chatterjee
In the present paper, we have studied the higher as well as the lower-order nonclassicalities of photon-added-then-subtracted and photon-subtracted-then-added thermal and even cohe…
Nonlinear displaced Kerr state and its nonclassical properties
Arpita Chatterjee, Rupamanjari Ghosh
We construct a distinct class of nonlinear displaced Kerr state by application of the displacement operator upon a state which is prepared by sending the well-known photon-added co…
Nonclassical properties of a deformed atom-cavity field state
Naveen Kumar, Deepak, Arpita Chatterjee
We analyze here a nonclassical state produced by an atom-cavity field interaction. The two-level atom is passed through the single-mode electromagnetic cavity field. By deforming t…
Detecting nonclassicality and non-Gaussianity of a coherent superposed quantum state
Deepak, Arpita Chatterjee
In this paper, we investigate the nonclassicality and non-Gaussianity of a coherent superposed quantum state (CSQS) which is obtained by applying a coherent superposition of field…
Realistic continuous-variable quantum teleportation using a displaced Fock state channel
Deepak, Arpita Chatterjee
We investigate ideal and non-ideal continuous-variable quantum teleportation protocols realized by using an entangled displaced Fock state resource. The characteristic function for…
Nonclassicality generated by propagation of atoms through a cavity field
Arpita Chatterjee
We successively pass two -type three-level atoms through a single-mode cavity field. Considering the field to be initially in a classical state, we evaluate various statistical…
Two-mode photon-added entangled coherent states and their entanglement properties
Arpita Chatterjee
An entangled quantum state is considered by applying a local photon excitation to each mode of an entangled coherent state. The entanglement property is investigated in terms of th…
Nonclassicality of photon-added-then-subtracted and photon-subtracted-then-added states
Arpita Chatterjee
We formulate the density matrices of a quantum state obtained by first adding multi-photons to and then subtracting multi-photons from any arbitrary state as well as performing the…
Lower- versus higher-order nonclassicalities for a coherent superposed quantum state
Deepak, Arpita Chatterjee
A coherent state is defined conventionally in different ways such as a displaced vacuum state, an eigenket of annihilation operator or as an infinite dimensional Poissonian superpo…
Dynamics of an atom cavity field system in interacting Fock space
P. K. Das, Arpita Chatterjee
In this paper, we investigate one-time passing of a -type three-level atom through a single-mode interacting field in a cavity. We extend the idea of elementary Jaynes-Cummings…
A comparison between higher-order nonclassicalities of superposition engineered coherent and thermal states
Deepak, Arpita Chatterjee
We consider an experimentally obtainable SUP operator, defined by using a generalized superposition of products of field annihilation () and creation () operators of…
Quantifying quantum correlation of quasi-Werner state and probing its suitability for quantum teleportation
Arpita Chatterjee, Kishore Thapliyal, Anirban Pathak
The significance of photon addition in engineering the single- and two-mode (bipartite correlations) nonclassical properties of a quantum state is investigated. Specifically, we an…
Mapping generalized Jaynes-Cummings interaction into correlated finite-sized systems
Himadri Shekhar Dhar, Arpita Chatterjee, Rupamanjari Ghosh
We consider a generalized Jaynes-Cummings model of a two-level atom interacting with a multimode nondegenerate coherent field. The sum of the mode frequencies is equal to the two-l…
Generating continuous variable entangled states for quantum teleportation using a superposition of number-conserving operations
Himadri Shekhar Dhar, Arpita Chatterjee, Rupamanjari Ghosh
We investigate the states generated in continuous variable (CV) optical fields on operating them with a number-conserving operator of the type $s\hat{a}\hat{a}^†+ t\hat{a}^†\hat{a}…