[HTML][HTML] Using coherent feedback loop for high quantum state transfer in optomechanics

M Amazioug, B Maroufi, M Daoud - Physics Letters A, 2020 - Elsevier
We investigate the coherent feedback loop scheme to improve the quantum correlations
transfer from optical to mechanical degrees of freedom in a double cavity optomechanical …

Hierarchy of temporal quantum correlations using a correlated spontaneous emission laser

S Ullah, HS Qureshi, F Ghafoor - Optics Express, 2019 - opg.optica.org
As an active quantum system, the correlated spontaneous emission laser has many
valuable applications in quantum information processing. Here, we report on temporal …

Measure and control of quantum correlations in optomechanics

M Amazioug, M Daoud - The European Physical Journal D, 2021 - Springer
In this work, we analyze the enhancement of the transfer of the quantum correlations from
squeezed light to movable mirrors in an optomechanical system. This transfer is produced …

Continuous variable quantum teleportation via entangled Gaussian state generated by a linear beam splitter

HS Qureshi, S Ullah, F Ghafoor - Journal of Physics B: Atomic …, 2020 - iopscience.iop.org
We theoretically implement the protocol of continuous variable quantum teleportation
wherein Alice and Bob share a state built by a linear beam splitter as general two-mode …

Time-dependent quantum teleportation via a parametric converter

HS Qureshi, S Ullah, F Ghafoor - Journal of Physics B: Atomic …, 2022 - iopscience.iop.org
Quantum state teleportation is an important protocol that plays a pivotal role in various
quantum information tasks. Here we theoretically investigate quantum state teleportation by …

[HTML][HTML] Conditions for experimental detection of one-way quantum steering in a three-mode optomechanical system

LH Sun, JN Shi, KK Zhang, WJ Gu, Z Ficek… - Alexandria Engineering …, 2022 - Elsevier
Conditions for experimental detection of asymmetric one-way quantum steering in a three-
mode optomechanical system are examined. We consider cases of collective steering in …

Generation and control of bipartite entanglement in a correlated spontaneous-emission laser

HS Qureshi, S Ullah, F Ghafoor - Journal of Russian Laser Research, 2021 - Springer
Bipartite quantum entanglement has numerous practical applications in quantum
computation and communication. Here, we study the temporal evolution of bipartite …

Bipartite Gaussian quantum steering, entanglement, and discord and their interconnection via a parametric down-converter

H Sadia Qureshi, S Ullah, F Ghafoor - Applied Optics, 2020 - opg.optica.org
In this study, we quantify quantum steering, quantum entanglement, and quantum discord
and their interconnection using the technique of parametric down-conversion. Initially, two …

Coherence controlled generation of Gaussian quantum discord in a quantum beat laser

HS Qureshi, S Ullah, F Ghafoor - Physica Scripta, 2023 - iopscience.iop.org
Quantum discord, an appropriate measure of quantum correlation, is analyzed in a two-
mode Gaussian state of the cavity field evolved by a system of quantum beat laser. In the …