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- Denys M. Natarov, Volodymyr O. Byelobrov, Ronan Sauleau, Trevor M. Benson, A. I. Nosich
- Optics express
- 2011

We study numerically the effect of periodicity on the plasmon-assisted scattering and absorption of visible light by infinite and finite gratings of circular silver nanowires. The infinite grating is a convenient object of analysis because of the possibility to reduce the scattering problem to one period. We use the well-established method of partialâ€¦ (More)

- Denys M. Natarov, Ronan Sauleau, A. I. Nosich
- IEEE Photonics Technology Letters
- 2012

We consider the <i>H</i> -polarized plane wave scattering by a finite linear grating of circular silver wires using the angular field expansions in local coordinates and addition theorems for cylindrical functions. The study is focused on the influence of the plasmon and the grating resonances on each other. It demonstrates that the scattering per oneâ€¦ (More)

- Denys M. Natarov, Marian Marciniak, Ronan Sauleau, A. I. Nosich
- Optics express
- 2014

We consider the two-dimensional (2-D) problem of the H-polarized plane wave scattering by a linear chain of silver nanowires in a cloud of similar pseudo-randomly located wires, in the visible range. Numerical solution uses the field expansions in local coordinates and addition theorems for cylindrical functions and has a guaranteed convergence. The totalâ€¦ (More)

- Denys M. Natarov, Trevor M. Benson, Ayhan Altintas, Ronan Sauleau, A. I. Nosich
- 2010 12th International Conference on Transparentâ€¦
- 2010

The problem of the H-polarized wave scattering by finite chains of circular nanowires is considered. A two-dimensional diffraction problem with rigorous boundary conditions is solved by partial separations of variables method using local polar coordinates of each scatterer. The obtained results demonstrate convergence of the algorithm and good agreementâ€¦ (More)

- Olga V. Shapoval, Denys M. Natarov, Kazuya Kobayashi
- 2016 II International Young Scientists Forum onâ€¦
- 2016

Presented are preliminary results related to two electromagnetic-wave problems: of the plane-wave scattering by a silver strip placed into a circular dielectric shell and of the wave emission by the same strip inserted into a quantum wire (QW), in the optical range. Auxiliary analysis is focused on the wavelength dependence of the total scatteringâ€¦ (More)

- A. I. Nosich, Volodymyr O. Byelobrov, Olga V. Shapoval, Denys M. Natarov, Tatiana L. Zinenko, Marian Marciniak
- 2013 15th International Conference on Transparentâ€¦
- 2013

We present a mini-review on the discovery, nature and characterization of the specific family of natural modes existing on periodic arrays of both dielectric and metallic sub-wavelength scatterers, and the corresponding to them resonances in the optical-range wave scattering and absorption. These grating modes (G-modes) have been studied analytically forâ€¦ (More)

- Denys M. Natarov, JiÅ™Ã ÄŒtyrokÃ½
- 2015 IEEE 35th International Conference onâ€¦
- 2015

Considered is the two-dimensional (2-D) source-free problem of the H-polarized electromagnetic field in the presence of a silver circular cylindrical nanowire coated with a concentric layer of active material. We assume that the natural-mode frequency is real-valued and find it together with the corresponding threshold value of material gain in the activeâ€¦ (More)

- Denys M. Natarov
- 2016 IEEE International Conference onâ€¦
- 2016

We present the results of numerical simulation of the scattering of the H-polarized electromagnetic wave by a finite grating made of dielectric nanowires, in the visible range of light. Numerical solution uses the field expansions in local coordinates of each wire and addition theorems for cylindrical functions and has a guaranteed convergence. Numericalâ€¦ (More)

- Denys M. Natarov, Marian Marciniak, Ronan Sauleau, A. I. Nosich
- 2011 13th International Conference on Transparentâ€¦
- 2011

The scattering of the H-polarized wave by single- and double-layer grids of circular silver nanowires is considered. The obtained results demonstrate the presence of plasmon and grid resonances in such grids. These resonances are found and computed for the grids of a large number of wires. Extraordinary resonance enhancement is discovered if both kinds ofâ€¦ (More)

- Denys M. Natarov, Ronan Sauleau, A. I. Nosich
- 2012 6th European Conference on Antennas andâ€¦
- 2012

We consider the two-dimensional (2-D) scattering of the H-polarized plane wave by three discrete configurations made of periodically arranged circular cylindrical wires, using the field expansions in local coordinates and addition theorems for cylindrical functions. Resulting block-type matrix equation is cast to the Fredholm second-kind form thatâ€¦ (More)