Volume 7 (2024-2025)
Volume 6 (2023-2024)
Volume 5 (2023)
Volume 4 (2022)
Volume 3 (2021)
Volume 2 (2018)
Volume 1 (2017)
Number of Articles: 12
Evolution of a Nonlinear Coherent State in a Parametric Oscillator in Presence of the Kerr Medium
Volume 3, Issue 1 , February 2021, Pages 9-16
Abstract
In this paper, the temporal evolution of the nonlinear coherent states in a parametric oscillator in the presence of a Kerr medium is investigated. For this purpose, the Hamiltonian of the system is written in the interaction picture and as a combination of time-independent operators with time - dependent ... Read MoreDesigning and Inspecting the Metal's Steam (PVD) on Aluminum and Investigating it's Optical Properties
Volume 3, Issue 1 , February 2021, Pages 17-24
Abstract
Considering the reflection theory and numerous applications of the mirror, we can achieve mirrors with thin-film, metal-dielectric coatings. Hence, in this article, with respect to the above-mentioned approach and using new materials, a mirror with maximum reflection of nearly 100% and of aluminum alloy ... Read MorePhotonic - Crystal Splitters based on Waveguide
Volume 3, Issue 1 , February 2021, Pages 25-30
Abstract
A photonic crystal waveguide is provided in this article. The structure is two-dimensional array of silicon bars arranged in a triangular arrangement. Rods is placed in the air background and the x-z surface. The waveguide structure is created by removing the silicon bars. In this splitter, band ... Read MoreConversion Efficiencies of Power and Irradiance and Energy of the SHG with the Presence of Pump Depletion and Phase Matching in Nonlinear Optics
Volume 3, Issue 1 , February 2021, Pages 31-38
Abstract
The Second Harmonic Generation has many applications. Since it is of particular importance, the current study examines its power and energy and irradiance conversion efficiencies for collimated Gaussian beams in presence of pump depletion and phase matching by using numerical calculations. In this paper, ... Read MoreThe Role of Tritium Concentration Reduction in Determining the Reactions' Gains of Deuterium-Tritium Fusion by Considering Quick Combustion through Laser Fusion
Volume 3, Issue 1 , February 2021, Pages 39-50
Abstract
One of our current goals is the investigation of the fuel efficiency of DT by choosing a low Tritium fuel triac percentage, , in the new achievements of ICF, through the concept of quick combustion engines. This calculation certainly determines the possibility of using a quick combustion, and in particular ... Read MoreInvestigating the Twisted Effect on Electronic Properties of Graphene and Boron- Nitride Bilayers Nanostructures
Volume 3, Issue 1 , February 2021, Pages 51-58
Abstract
In this paper, the electrical properties of graphene and boron nitride are studied. The effect of the layers on each other and also the twisting of the layers on each other were studied. The presence of an additional layer creates additional levels, which, in the case of graphene, maintains the conductivity ... Read MoreCalculation of Magnetic Susceptibility of Magnetic Molecular Cluster Mn12 Taking into Account Quadrupole Excitations
Volume 3, Issue 1 , February 2021, Pages 59-64
Abstract
In this paper, temperature dependence of the magnetic susceptibility of the Mn12 magnetic molecular cluster is investigated in different fields. Until now, only dipole excitations were considered in calculations to calculate magnetic susceptibility, but due to the spin number of this molecular cluster ... Read MoreControllable Doping of Magnetic Nanoparticles on Silica-Covered Carbon Nanotubes and Investigating the Photocatalytic Property of (Fe3O4/Sio2/MWCNT) Nanocomposite
Volume 3, Issue 1 , February 2021, Pages 65-72
Abstract
In this paper, functionalized carbon nanotubes were covered with a biocompatible shell of silica (MWCNT/SiO2). Having a high amount of OH groups, silica shells avoid nanotubes agglomeration and are able to uniformly capture and stabilize arbitrary amounts of nanoparticles on their surface. MWCNT/SiO2 ... Read MoreThe Effect of Radius Size and Number of Layers of Quantum Anti-Dots on Energy Levels in the Presence of the Applied Magnetic Field
Volume 3, Issue 1 , February 2021, Pages 73-80
Abstract
In this paper, based on the perturbation theory, the energy eigenvalues of two, three, and four-layer quantum anti-dots are obtained. Using numerical calculations, the effects of the magnetic field, radius, and the number of layers of these nanostructures are investigated on 1S and 2P energy levels. ... Read MoreThe Effect of External Magnetic Field on the Creation of Energy Levels Degeneracy in a Quantum Anti-Dot
Volume 3, Issue 1 , February 2021, Pages 81-88
Abstract
In this paper, the effect of a magnetic field on 2p energy levels of 〖Ga〗_(1-x) 〖Al〗_x As/GaAs/〖Ga〗_(1-x) 〖Al〗_x As quantum anti-dot has been investigated. To this aim, based on the perturbation theory and in the presence of an external magnetic field, the energy eigenvalue of the 2p ... Read MoreSimulation of the AND and NOT Optical Logic Gates by Using Two-Dimensional Photonic Crystal
Volume 3, Issue 1 , February 2021, Pages 89-98
Abstract
By designing periodic structures of photonic crystals, electromagnetic waves can be reflected in a certain frequency range from their surface. Using the above feature, the emission of photons can be guided in the designed waveguide within the structure of photon crystal networks. One of the most important ... Read MoreThe Effect of Linear Gradation of Thickness on Tunable Graphene Photonic Crystals in THz Region
Volume 3, Issue 1 , February 2021, Pages 99-109