Quantum scissor from exact generalized photon number statistics

AQ Batin, S Ghosh, PK Panigrahi, U Roy - Scientific Reports, 2024 - nature.com
We report the close form expressions of the photon number statistics for a generalized
coherent state and a generalized photon-added coherent state, which are shown to be …

Sub-fourier quantum metrology through bright solitary trains in Bose–Einstein condensate

S Ghosh, J Bera, PK Panigrahi, U Roy - International Journal of …, 2019 - World Scientific
We propose to utilize the Bose–Einstein condensate (BEC) for precision phase sensitive
measurement of position and momentum displacements. The controlled two-soliton …

Protecting the fidelity of a pulsed-driven harmonic oscillator

MY Abd-Rabbou, SS Hassan - Optik, 2023 - Elsevier
The temporal fidelity of a non-dissipative quantised harmonic oscillator (QHO) driven by two
types of pulsed laser; namely, rectangular and train of n-chirped Gaussian pulses is …

Enhancing quantum coherence in multiqubit-interacting system

WJ Zhao, K Xu, JY Sun, ZD Li, WM Liu - Physica Scripta, 2024 - iopscience.iop.org
We propose a quantum coherence protection scheme for a two-qubit system by considering
the exact evolution of multi-interacting qubits in a common reservoir. We find that the l 1 …

Tripartite W-States and LOCC Marvel: Quantum Communication's Dynamic Duo

M Aman, MA Khan, N Ullah, B Sikdar - 2024 - researchsquare.com
Central to the transformative endeavor of quantum communication are entangled states, the
fundamental building blocks that ensure data security through unassailable encryption. The …

Even and odd Schrödinger cat states in the probability representation of quantum mechanics

P Ádám, MA Man'ko, VI Man'ko - Journal of Russian Laser Research, 2022 - Springer
We consider even and odd coherent states (Schrödinger cat states) in the probability
representation of quantum mechanics. The probability representation of the cat states is …

Distillation of single-mode-squeezed entangled state in presence of strong squeezing

SL Zhang, XD Zhang - OSA Continuum, 2019 - opg.optica.org
Recently, the strong single-mode squeezed vacuum state of light with -15− 15 dB of classic
noise has been created Phys. Rev. Lett. 117, 110801 (2016) 10.1103/PhysRevLett …

Generating Postselected Quantum State from Fock State Using Ancillary Squeezed-vacuum State and Continuous-variable Postselection

Z Liu, Q Min, L Zhou - International Journal of Theoretical Physics, 2020 - Springer
Injecting a Fock state and an ancillary squeezed vacuum state into a beam-splitter (BS)
device and then employing continuous-variable postselection detection in one output port, a …

Single-step quantum state engineering in traveling optical fields

G Mogyorosi, P Adam, E Molnar, M Mechler - Physical Review A, 2019 - APS
We propose an experimental quantum state engineering scheme for the high-fidelity
conditional generation of various nonclassical states of practical relevance in traveling …

A fény nemklasszikus állapotainak haladóhullámú előállítása

M Gábor - 2020 - pea.lib.pte.hu
A fény nemklasszikus állapotainak eloállítása és alkalmazása a kvantumoptikai kutatások
egyik fontos témája. A nemklasszikus állapotok fontos szerepet játszanak a …