Higher-order nonclassicalities in a codirectional nonlinear optical coupler: Quantum entanglement, squeezing, and antibunching

K Thapliyal, A Pathak, B Sen, J Peřina - Physical Review A, 2014 - APS
Higher-order nonclassical properties of fields propagating through a codirectional
asymmetric nonlinear optical coupler which is prepared by combining a linear waveguide …

Lower‐and higher‐order nonclassical properties of photon added and subtracted displaced Fock states

P Malpani, N Alam, K Thapliyal, A Pathak… - Annalen der …, 2019 - Wiley Online Library
Nonclassical properties of photon added and subtracted displaced Fock states are studied
using various witnesses of lower‐and higher‐order nonclassicality. Compact analytic …

Single-mode and intermodal higher-order nonclassicalities in two-mode Bose-Einstein condensates

SK Giri, B Sen, CHR Ooi, A Pathak - Physical Review A, 2014 - APS
An analytic operator solution of a generalized quantum mechanical Hamiltonian of two-
mode Bose-Einstein condensates (BECs) is obtained for short-time dynamics and the same …

[HTML][HTML] Comparison of lower-and higher-order nonclassicality in photon added and subtracted squeezed coherent states

K Thapliyal, NL Samantray, J Banerji, A Pathak - Physics Letters A, 2017 - Elsevier
Nonclassical properties of photon added and subtracted squeezed coherent states have
been compared with specific focus on the higher-order nonclassicalities, such as higher …

Recent developments in the study of higher order nonclassical states

A Pathak, A Verma - Indian Journal of Physics, 2010 - Springer
Our recent observations ort higher order nonclassicality are described. Recently we have
shown that a generalized notion of higher order nonclassicality (in terms of higher order …

Impact of photon addition and subtraction on nonclassical and phase properties of a displaced Fock state

P Malpani, K Thapliyal, N Alam, A Pathak… - Optics …, 2020 - Elsevier
Various nonclassical and quantum phase properties of photon added then subtracted
displaced Fock state have been examined systematically and rigorously. Higher-order …

Generalized structure of higher order nonclassicality

A Verma, A Pathak - Physics Letters A, 2010 - Elsevier
A generalized notion of higher order nonclassicality (in terms of higher order moments) is
introduced. Under this generalized framework of higher order nonclassicality, conditions of …

Probing nonclassicality in an optically driven cavity with two atomic ensembles

J Naikoo, K Thapliyal, A Pathak, S Banerjee - Physical Review A, 2018 - APS
The possibility of observing nonclassical features in a physical system comprised of a cavity
with two ensembles of two-level atoms has been investigated by considering different …

Nonclassicality in an atom–molecule Bose–Einstein condensate: Higher-order squeezing, antibunching and entanglement

SK Giri, K Thapliyal, B Sen, A Pathak - Physica A: Statistical Mechanics and …, 2017 - Elsevier
The transient quantum statistical properties of the atoms and molecules in an atom–
molecule BEC system are investigated by obtaining a third-order perturbative solution of the …

[HTML][HTML] Nonclassical properties of a contradirectional nonlinear optical coupler

K Thapliyal, A Pathak, B Sen, J Perina - Physics Letters A, 2014 - Elsevier
We investigate the nonclassical properties of output fields propagated through a
contradirectional asymmetric nonlinear optical coupler consisting of a linear waveguide and …