Showing papers in "Optik in 2022"

TL;DR: In this article , a two coupled nonlinear Schrödinger equation (CNLSE) which is applicable to high birefringence fibers is investigated and a variety of bright and dark optical envelope soliton solutions are derived.

TL;DR: In this paper , a sequence of modifier oxide (Nb2O5) varied Dy3+ doped barium-borate glasses have been manufactured and various structural and optical characterizations are done.

TL;DR: In this article, the Fokas system that describes the nonlinear pulse propagation in monomode optical fibers was considered and the Exp-function method was used to construct abundant exact solutions for the partial differential equations arising in optics.

TL;DR: In this article , the Fokas system that describes the nonlinear pulse propagation in monomode optical fibers was considered and the Exp-function method was employed to construct six families of exact soliton solutions.

TL;DR: In this paper , the Fokas system is used to model the nonlinear pulse propagation in monomode optical fibers and eight families of soliton solutions like trigonometric, singular soliton, bright soliton and dark soliton are constructed.

TL;DR: In this article , an extended (2+1)-dimensional perturbed nonlinear Schrödinger equation (P-NLS) with Kerr law nonlinearity in a nano optical fiber is studied.

TL;DR: In this article , a new low complexity Compression Then Encryption using Optimal Homomorphic Encryption (LCCE-OHE) technique was proposed for secured fiber optic communication.

TL;DR: In this article , the generalized nonlinear Schrödinger equation with two arbitrary reflective indices is considered and application of transformations for dependent and independent variables is used for finding solitary wave solutions.

TL;DR: In this paper , the authors proposed an AI-CQoT prediction model for optical communication networks, which uses the Label weighting extreme learning machine (LW-ELM) model for the prediction process which includes a link and signal characteristics as input features.

TL;DR: In this article, the optical properties and radiation shielding performance of tellurite glasses containing Li2O and MoO3 described by the formula of xLi2O − (80-2x)TeO2 - (20+x)MoO3, where x = 0, 10, and 20

TL;DR: In this article , the optical properties and radiation shielding performance of tellurite glasses containing Li2O and MoO3 described by the formula of xLi2O − (80-2x)TeO2 - (20+x)MoO3, where x = 0, 10, and 20 mol%.

TL;DR: In this article , optical soliton solutions of the Kundu-Mukherjee-Naskar (KMN) equation by using the Sardar subequation (SSM) and the new Kudryashov methods (nKM) are presented.

TL;DR: In this paper , the authors present a general framework for the Kudryashov method for solving nonlinear evolution problems, including the nonlinear ODEs, NPDEs and NODE forms of the Zoomeron equation.

TL;DR: In this paper , the authors investigated analytic soliton solutions of a nonlinear Schrödinger equation (NLSE), including Kudryashov's sextic power-law nonlinearity by introducing different approaches of two efficient analytical methods.

TL;DR: In this article , the authors considered generalized nonlinear generalized Schrödinger equations with polynomial nonlinearities and obtained optical solitons of these equations by using auxiliary nonlinear ordinary equations.

TL;DR: In this paper , the Biswas-Milovic (BM) model with variable coefficients comprising Kerr law and damping effect has been studied for optical wave guides in more general sense, where bright, dark and singular soliton solutions to the governing equation are successfully prevailed by execution of distinct ansatz techniques, along with coefficients depending upon time.

TL;DR: In this article , the authors proposed a novel scheme to generate 32-tupling frequency terahertz waves by four Mach-Zehnder modulators (MZMs) cascaded, where the output of the first group and second group of MZMs are ± 4nth and ± 8nthorder sideband signals, respectively.

TL;DR: In this article , the authors used an efficient solver and the improved F-expansion approach to obtain precise traveling wave solutions to the perturbed Biswas-Milovic equation with Kudryashov's law of refractive index.

TL;DR: In this paper , the authors analyzed nonlinear effects on dynamical feathers of soliton waves in a nonlinear Schrödinger equation (NLSE) including the parabolic law, and retrieved a group of dark solitons to the governing model using the Kudryashov method.

TL;DR: In this article , the detection of hemoglobin using an SPR biosensor has been carried out using an angle interrogation method using a sensor configuration consisting of layers of bimetallic silver layers (45 nm and 7 nm), MXene (2D transition metal carbides, carbonitrides, and nitrides), graphene, and zinc oxide (ZnO), along with a sensing medium to analyze biomolecule.

TL;DR: In this article , high density samples with replacing Li2O with Fe2O3 to investigate the optics and radiation characteristics were studied for optical, and radiation properties were used to determine the structural characteristics of the proposed glasses.

TL;DR: In this article, high density samples with replacing Li2O with Fe2O3 to investigate the optics and radiation characteristics were studied for optical, and radiation properties were used to determine the structural characteristics of the proposed glasses.

TL;DR: In this paper , a class of (3 + 1)-dimensional hyperbolic nonlinear Schrödinger equation soliton solutions with optical features is presented. But the spectral properties of these solutions are unknown.

TL;DR: In this paper , the structural and luminescent properties of perovskite LaAlO3:Tb3+ nanophosphors were investigated using the low temperature gel-combustion method.

TL;DR: In this paper , a novel Cr3+ doped barium-boro-tellurite ternary glasses having compositions xBaO-(30-x)TeO2-69.5B2O3-0.5Cr2O 3 were prepared using high purity raw materials with the melt-quench method.

TL;DR: In this paper, a new glass system is presented and the optical parameters and radiation shielding competence of the glasses are investigated through quantities such as the linear attenuation coefficient LAC, mass attenuation coefficients MAC, effective atomic number Zeff, half value layer HVL, and mean free path MFP for photons while the fast neutron removal cross section Σ R was used for fast neutron.

TL;DR: In this paper , the dynamics of soliton waves in a generalized nonlinear Schrödinger (GNLS) equation were investigated using a complex wave transformation and the modified Jacobi elliptic expansion method (MJEEM).

TL;DR: In this article , the authors studied the dynamical behaviors and optical solitons in DWDM networks with Schrödinger-Hirota equation and obtained a range of new soliton solutions.

TL;DR: In this paper , an improved arithmetic optimization algorithm (IAOA) was proposed to obtain the I-V and P-V curves of the double diode model of the electrical circuit of PV panels.

TL;DR: In this paper , the authors consider a (2+1)-dimensional coupled non-autonomous nonlinear Schrödinger model for a partially nonlocal nonlinearity with a parabolic potential and seek explicit one-component and two-component solutions.