Čerenkov radiation in vacuum from a superluminal grating

D Oue, K Ding, JB Pendry - Physical Review Research, 2022 - APS
Nothing can physically travel faster than light in vacuum. There are several ways proposed
to bypass the light barrier and produce Čerenkov radiation (ČR) in vacuum. In this paper, we …

Generalized source method in curvilinear coordinates for 2D grating diffraction simulation

AA Shcherbakov, AV Tishchenko - Journal of Quantitative Spectroscopy …, 2017 - Elsevier
The article presents a curvilinear coordinate Fourier space integral method for linear optical
rigorous grating diffraction simulation in 3D (crossed grating diffraction). The presented …

Nonlinear generalized source method for modeling second-harmonic generation in diffraction gratings

M Weismann, DFG Gallagher, NC Panoiu - JOSA B, 2015 - opg.optica.org
We introduce a versatile numerical method for modeling light diffraction in periodically
patterned photonic structures containing quadratically nonlinear non-centrosymmetric …

Calculation of the electromagnetic scattering by non-spherical particles based on the volume integral equation in the spherical wave function basis

AA Shcherbakov - Journal of Quantitative Spectroscopy and Radiative …, 2019 - Elsevier
The paper presents a scattering matrix and scattering vector methods for calculation of non-
spherical particle T-matrices, which are based on the volume integral equation and the …

Calculating spatiotemporally modulated surfaces: A dynamical differential formalism

D Oue, K Ding, JB Pendry - Physical Review A, 2021 - APS
Electromagnetic waves in a system with a space-and time-dependent boundary experience
both diffraction and Doppler-like frequency conversion. In order to analyze such situations …

Systematic study of resonant transmission effects in visible band using variable depth gratings

AA Ushkov, AA Shcherbakov, I Verrier, T Kampfe… - Scientific reports, 2019 - nature.com
The article focuses on depth-dependent visible band transmission effects in a symmetrical
“insulator-metal-insulator” diffraction system based on a variable depth grating. These …

Direct -matrix calculation for diffractive structures and metasurfaces

AA Shcherbakov, YV Stebunov, DF Baidin, T Kämpfe… - Physical Review E, 2018 - APS
The paper presents a derivation of analytical components of S matrices for arbitrary planar
diffractive structures and metasurfaces in the Fourier domain. The attained general formulas …

Silver holographic gratings as substrates for surface-enhanced Raman scattering gas analysis

DV Petrov, MA Kostenko, AA Shcherbakov - Applied Optics, 2020 - opg.optica.org
This work is devoted to the investigation of the enhancement of Raman signals of
nonadsorbed gases in the vicinity of corrugated metallic surfaces supporting propagating …

Curvilinear coordinate generalized source method for gratings with sharp edges

AA Shcherbakov - JOSA A, 2019 - opg.optica.org
High-efficiency direct numerical methods are currently in demand for optimization
procedures in the fields of both conventional diffractive and metasurface optics. With a view …

3D periodic dielectric composite homogenization based on the generalized source method

AA Shcherbakov, AV Tishchenko - Journal of Optics, 2015 - iopscience.iop.org
The article encloses a new Fourier space method for rigorous optical simulation of three-
dimensional (3D) periodic dielectric structures. The method relies upon a rigorous solution …