Homodyne coherent quantum noise cancellation in a hybrid optomechanical force sensor

H Allahverdi, A Motazedifard, A Dalafi, D Vitali… - Physical Review A, 2022 - APS
In this paper we propose an experimentally viable scheme to enhance the sensitivity of force
detection in a hybrid optomechanical setup assisted by squeezed vacuum injection, beyond …

[HTML][HTML] Nonlocal realism tests and quantum state tomography in Sagnac-based type-II polarization-entanglement SPDC-source

A Motazedifard, SA Madani, JJ Dashkasan… - Heliyon, 2021 - cell.com
We have experimentally created a robust, ultrabright and phase-stable polarization-
entangled state close to maximally entangled Bell-state with% 98-fidelity using the type-II …

High-precision quantum transmittometry of DNA and methylene-blue using a frequency-entangled twin-photon beam in type-I SPDC

A Motazedifard, SA Madani - OSA Continuum, 2021 - opg.optica.org
Using the coincidence-count (CC) measurement of the generated frequency-entangled twin-
photon beam (TWB) via the process of type-I spontaneous parametric-down conversion …

Direct generation of two-pair frequency entanglement via dual periodic poling in lithium niobate waveguides

A Warke, K Thyagarajan - The European Physical Journal Plus, 2022 - Springer
In this paper, we address the generation of a two-pair frequency entangled state using type-
0 spontaneous parametric down-conversion process in a dual periodically poled lithium …

Experimental Verification of Heralded Single Photon Generation by Second Order Degree of Coherence

HS Lotfipour, M Khodabandeh, Z Bagheri… - International Journal of …, 2022 - ijop.ir
This paper describes the secondorder coherence degree of photons produced in SPDC.
First, the nonlinear BBO crystal generates the twin correlated signal and idler photons in the …

Linear entropy in the atom-field interaction at finite temperature

HMM Cessa, R Juarez-Amaro - Revista Mexicana de Física, 2024 - rmf.smf.mx
We study the atom-field interaction at finite temperature and in the dispersive regime. We
show that the master equation for this sytem may be solved with the use of superoperator …

Fabrication and evaluation of high-quality and low-cost quantum random number generators

S Hajibaba, AH Dadahkhani, SA Madani - Optics Continuum, 2022 - opg.optica.org
In this paper, we have fabricated two quantum random number generators (QRNGs) based
on different mechanisms. The first one is based on the photon time of arrival and produces …

PiRATe: A Comprehensive Set of Statistical Tests for Evaluation of Quantum Random Number Generators

S Hajibaba, AH Dadahkhani… - Available at SSRN …, 2024 - papers.ssrn.com
As true random numbers are essential for many applications, high-quality Random Number
Generators (RNGs) are highly demanded. Several different statistical test suites have been …

Linear Entropy in the Atom-Field Interaction at Finite Temperature

R Juarez-Amaro, H Moya-Cessa - 2023 - preprints.org
We study the atom-field interaction at finite temperature and in the dispersive regime. We
show that the master equation for this sytem may be solved with the use of superoperator …

[PDF][PDF] A Software for Solving the Phase-Matching Equations in SPDC Process

M Abbasi, A Motazedifard, SA Madani, M Akbari - researchgate.net
Spontaneous parametric down-conversion (SPDC) is the well-known nonlinear optical
process in nonlinear materials with second-order nonlinearity capability in which one pump …