Showing papers in "Optik in 2017"

TL;DR: The present study shows that the proposed method based on the deep convolutional neural network is effective to classify MI, and provides a practical method by non-invasive EEG signal in BCI applications.

TL;DR: In this article, the extended form of simple equation method (SEM) is employed to construct exact travelling wave solutions of unstable nonlinear schroodinger equation and modify unstable non linear schrodinger equation.

TL;DR: In this article, the authors obtained resonant soliton solutions to the nonlinear Schrodinger's equation in quadratic-cubic nonlinear media using the semi-inverse variational principle.

TL;DR: In this article, the traveling wave solutions for generalized nonlinear fifth-order of KdV (fifth-order Lax, fifthorder Ito, fifth order Sawada-Kotera and fifth order Kaup-Kupershmidt) were obtained by applying the auxiliary equation of the direct algebraic method.

TL;DR: The proposed S-box is able to generate random integer sequences with highly efficient nonlinearity in the generated values and can be used with great potential for prominent prevalence in designing symmetric cryptosystems and copy right protection.

TL;DR: In this paper, a modified simple equation method is employed to the nonlinear higher order Schrodinger equations for soliton solutions, which is applicable to solve different kind of problems in mathematics and physics.

TL;DR: In this paper, the modified simple equation method was applied to complex Ginzburg-Landau equation to secure soliton solutions, and both Kerr and power laws of nonlinearity were studied.

TL;DR: In this paper, an extended form of simple equation method is proposed to construct exact soliton and solitary wave solutions of higher-order nonlinear Schrodinger equation with fourth-order dispersion and cubic-quintic nonlinearity.

TL;DR: In this paper, conservation laws for the cubic-quartic nonlinear Schrodinger's equation were obtained for soliton propagation when the group velocity dispersion is negligibly small.

TL;DR: In this paper, the modified Kudryashov method was used to solve the conformable time-fractional Klein-Gordon equations with quadratic and cubic nonlinearities.

TL;DR: In this paper, the exact bright and singular optical solitons of the nonlinear Schrodinger equation with third and fourth order dispersion terms were presented, and the method of undetermined coefficients was applied to obtain the reported solutions.

TL;DR: Using the Painleve property, the traveling wave transformation, and the sine-Gordon expansion method (SGEM), a series of traveling wave solutions for the Tzitzeica type equations were obtained in this article.

TL;DR: In this article, the perturbed nonlinear Schrodinger's equation with anti-cubic nonlinearity is studied with the aid of semi-inverse variational principle.

TL;DR: In this article, the authors derived a 1-soliton solution to the resonant nonlinear Schrodinger's equation that is studied with anti-cubic nonlinearity.

TL;DR: In this article, the results of numerical analysis of optical solitons in Birefringent Fibers with Kerr law nonlinearity for the special cases Thirring Solitons were presented.

TL;DR: In this article, a soliton perturbation theory is applied to obtain the adiabatic variation of its parameters and slow change in velocity, which leads to a stable fixed point to which the soliton amplitude and frequency gets locked into for a stable propagation down the fibers with anti-cubic nonlinearity.

TL;DR: In this paper, the extended trial equation method is applied to extract bright and singular optical solitons, with anti-cubic nonlinearity, in addition to singular periodic and doubly periodic solutions.

TL;DR: In this article, the generalized resonant dispersive nonlinear Schrodinger's equation with power law nonlinearity was studied and the solitons of the generalized nonsmooth nonlinear soliton were derived based on the improved extended extended tanh-equation method.

TL;DR: Optical solitons in birefringent fibers are studied in this paper, where exp-function methods are adopted to reveal singular soliton solutions along with other solutions that fall out as a byproduct of this scheme.

TL;DR: In this paper, a conformable fractional differential transform method and its application to conformable fractions of differential equations is given. But the method is not suitable for the case of fractional derivatives of chain rules.

TL;DR: In this article, a simple sol-gel method was used to synthesize spherical and rice-grain shape nanoparticles and they were calcined at 300°C, 500°C and 800°C temperatures.

TL;DR: In this paper, a modified Kudryashov method was used to generate explicit and exact solutions for the time-fractional Cahn-Allen and Cahn−Hilliard equations in the context of the conformable fractional derivative.

TL;DR: In this paper, powder X-ray diffraction was used to characterize the nano-spinel ferrite nanoparticles and the optical band gap was found out using Kubelka-Munk plot.

TL;DR: The algorithm in the improved version of ElGamal encryption scheme is designed to encrypt medical image where data expansion issue is resolved and execution speed is enhanced.

TL;DR: Huang et al. as mentioned in this paper found an ambiguity in the Oxygen to Carbon ratio of fully Oxidized Graphene oxide due to difference in energy band gap value reported different in Huang et al and Lundie et al., and they extrapolated graph reveals the oxygen to carbon ratio comes out to be 62.38%.

TL;DR: In this paper, the influence of thickness of absorbers and hole transporting materials (HTM) as well as holes density and temperatur on short-circuit current density (J SC ), opencircuit voltage (V OC ), fill factor and efficiency was investigated.

TL;DR: In this paper, X-ray diffraction, Raman spectroscopy, and photoluminescence (PL) analysis was performed on 3% Fe-doped ZnO nanocrystals.

TL;DR: A new quantum multi-channel Red-Green-Blue (RGB) representation for digital images including the preparation and retrieving procedure is proposed, which introduces some useful quantum image processing operators.

TL;DR: In this article, a new direct approach namely exp(− φ ( ξ )-expansion method was proposed to find exact solutions of Gerdjikov-Ivanov equation which include hyperbolic, trigonometric, rational and exponential functions with some arbitrary parameters.

TL;DR: In this article, the authors describe the successful conversion of visible light into electrical energy by employing turmeric (Curcuma longa L.) as a sensitizer that is locally available at Dhaka, Bangladesh, through using dye source in different forms and optimizing some parameters such as dye extracting solvents, pH of solvent, dye loading period and dye adsorption% onto the TiO 2 film.