117 citations · 693 across the 29 of their papers we have counts for
29 papers
Effect of classical noises on the coherent population trapping based on the Green's function approach to the multiplicative stochastic processes
M. Mirzaee, B. Askari, Ali Motazedifard +1
Inspired by the Green's function (GF) approach in quantum field theory (QFT) and many body physics, we have developed a mathematical formalism to investigate classical multiplicati…
Analytical performance evaluation of quantum radar architectures: From single-photon to entangled-noise radars
Hossein Allahverdi, Ali Motazedifard
This article presents a comprehensive analysis of two classes of quantum radars, including quantum direct-detection and quantum-entangled noise radars. In the first case, inspired…
Software Platform for Hybrid Pseudo-Random Sequence Generation and Predictability Analysis Based on LFSR and Mersenne Twister
Ali Abdolrahimi Zarnagh, Ali Motazedifard
Generating reliable random and pseudo-random sequences is important in many electronic and signal processing systems, such as secure communications, radar, spread-spectrum methods,…
Properties of a Three-Level -Type Atom Driven by Coherent and Stochastic Fields
Sajad Ahmadi, Mohsen Akbari, Shahpoor Saeidian +1
We present a theoretical investigation of a three-level -type atom driven by a strong coherent laser and a weak stochastic field exhibiting amplitude and phase fluctuations. The…
Nonclassical microwave radiation from the parametric dynamical Casimir effect in the reversed-dissipation regime of circuit optomechanics
H. Solki, Ali Motazedifard, M. H. Naderi +2
We propose an experimentally feasible optomechanical system (OMS) that is dispersively driven and operates in the reversed dissipation regime (RDR), where the mechanical damping ra…
Quantum Interference in Atomic Systems
Sajad Ahmadi, Mohsen Akbari, Shahpoor Saeidian +1
Quantum interference takes center stage in the realm of quantum particles, playing a crucial role in revealing their wave-like nature and probabilistic behavior. It relies on the c…
Effects of Quadratic Optomechanical Coupling on Bipartite Entanglements, Mechanical Ground-State Cooling and Squeezing in an Electro-Optomechanical System
N. Ghorbani, Ali Motazedifard, M. H. Naderi
We theoretically investigate the steady-state bipartite entanglements, mechanical ground-state cooling, and mechanical quadrature squeezing in a hybrid electro-optomechanical syste…
Long-Range Entangled Quantum Noise Radar Over Order of Kilometer
H. Allahverdi, Ali Motazedifard
In this paper, an explicit expression for the maximum detection range of an entangled quantum two-mode squeezed (QTMS) radar, in which a two-mode squeezed vacuum state of microwave…
Saturated absorption spectroscopy and frequency locking of DBR laser on the D2 transition of rubidium atoms
Davood Razzaghi, Ali MotazediFard, Marzieh Akbari +7
In this paper, we experimentally report the saturated absorption spectroscopy (SAS) and frequency locking (FL) of a narrow-band DBR laser with 0.5MHz linewidth on the LD2-transitio…
A Short Introduction to Basic Principles of Quantum Navigation Based-on Rb Cold Atom Interferometry
Narges Kafaei, Ali Motazedifard
Due to advances in cold atom interferometry, laser spectroscopy it is possible to achieve more precise accelerometers and gyroscopes which never occurs in mechanical- and optical-b…
Improving photon blockade, entanglement and mechanical-cat-state generation in a generalized cross-Kerr optomechanical circuit
Hossein Solki, Ali Motazedifard, Mohammad Hossein Naderi
We propose a feasible experimental scheme to improve the few-photon optomechanical effects, including photon blockade and mechanical-Schrodinger cat-state generation, as well as ph…
Negative cavity photon spectral function in an optomechanical system with two parametrically-driven mechanical modes
Ali Motazedifard, A. Dalafi, M. H. Naderi
We propose an experimentally feasible optomechanical scheme to realize a negative cavity photon spectral function (CPSF) which is equivalent to a negative absorption. The system un…
Homodyne coherent quantum noise cancellation in a hybrid optomechanical force sensor
H. Allahverdi, Ali Motazedifard, A. Dalafi +2
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, beyo…
High-precision Quantum Transmitometry of DNA and Methylene-Blue using a Frequency-Entangled Twin-Photon Beam in Type-I SPDC
Ali Motazedifard, S. A. Madani
Using the coincidence-count (CC) measurement of the generated frequency-entangled twin-photons beam (TWB) via the process of type-I spontaneous parametric-down conversion (SPDC) in…
Nonlocal realism tests and quantum state tomography in Sagnac-based type-II polarization-entanglement SPDC-source
Ali Motazedifard, Seyed Ahmad Madani, J. Jafari Dashkasan +1
We have experimentally created a robust, ultrabright and phase-stable polarization-entangled state close to maximally entangled Bell-state with -fidelity using the type-II…
Measurement of entropy and quantum coherence properties of two type-I entangled photonic qubits
Ali Motazedifard, Seyed Ahmad Madani, N. S. Vayaghan
Using the type-I SPDC process in BBO nonlinear crystal (NLC), we generate a polarization-entangled state near to the maximally-entangled Bell-state with high-visibility (high-brigh…
Single-quadrature quantum magnetometry in cavity electromagnonics
Mehri Sadat Ebrahimi, Ali Motazedifard, Malek Bagheri Harouni
A scheme of an ultra-sensitive magnetometer in the cavity quantum electromagnonics where the intracavity microwave mode coupled to a magnonic mode via magnetic dipole interaction i…
Ultra-precision quantum sensing and measurement based on nonlinear hybrid optomechanical systems containing ultracold atoms or atomic Bose-Einstein condensate
Ali Motazedifard, A. Dalafi, M. H. Naderi
In this review, we study how a hybrid optomechanical system (OMS), in which a quantum micro- or nano-mechanical oscillator (MO) is coupled to the electromagnetic (EM) radiation pre…
A Green's function approach to the linear response of a driven dissipative optomechanical system
Ali Motazedifard, A. Dalafi, M. H. Naderi
In this paper, we first try to shed light on the ambiguities that exist in the literature in the generalization of the standard linear response theory (LRT) which has been basicall…
Quantum correlations in optomechanical crystals
F. Bemani, R. Roknizadeh, A. Motazedifard +2
The field of optomechanics provides us with several examples of quantum photon-phonon interface. In this paper, we theoretically investigate the generation and manipulation of quan…
Force sensing in hybrid Bose-Einstein condensate optomechanics based on parametric amplification
Ali Motazedifard, A. Dalafi, F. Bemani +1
In this paper, the scheme of a force sensor is proposed which has been composed of a hybrid optomechanical cavity containing an interacting cigar-shaped Bose-Einstein condensate (B…
Measurement of thickness of thin film by fitting to the intensity profile of Fresnel diffraction from a nano phase step
Ali Motazedifard, S. Dehbod, A. Salehpour
Diffraction of light beams from the phase steps due to the abrupt changes in the boundary of step leads to Fresnel fringes that their visibility and intensity profile depend on the…
Strong quadrature squeezing and quantum amplification in a coupled Bose-Einstein condensate- optomechanical cavity via coherent modulation
Ali Motazedifard, A. Dalafi, M. H. Naderi +1
We consider an optomechanical cavity with a movable end-mirror as a quantum mechanical oscillator (MO) containing an interacting cigar-shaped Bose-Eisenstein condensate (BEC). It i…
Effects of quadratic coupling and squeezed vacuum injection in an optomechanical cavity assisted with a Bose-Einstein condensate
A. Dalafi, M. H. Naderi, Ali Motazedifard
We investigate theoretically a hybrid system consisting of a Bose-Einstein condensate (BEC) trapped inside a laser driven membrane-in-the-middle optomechanical cavity assisted with…