Tunability of two dimensional n-doped semiconductor photonic crystals based on the Faraday effect

AH Aly, SA El-Naggar, HA Elsayed - Optics Express, 2015 - opg.optica.org
In this paper, we theoretically investigate the effect of an external magnetic field on the
properties of photonic band structures in two-dimensional n-doped semiconductor photonic …

Tuning the flow of light in two-dimensional metallic photonic crystals based on Faraday effect

AH Aly, HA Elsayed, SA El-Naggar - Journal of Modern Optics, 2017 - Taylor & Francis
In this paper, we investigate the tunability of two-dimensional metallic photonic crystals by
an external magnetic field. Our theoretical analysis is based on the frequency-dependent …

The properties of cutoff frequency in two-dimensional superconductor photonic crystals

AH Aly, HA Elsayed, SA El-Naggar - Journal of Modern Optics, 2014 - Taylor & Francis
In this paper, by means of frequency-dependent plane wave expansion method we
investigate the properties of photonic band structures in two-dimensional superconductor …

Maximization of photonic bandgaps in two-dimensional superconductor photonic crystals

SA El-Naggar, HA Elsayed, AH Aly - Journal of Superconductivity and …, 2014 - Springer
In this paper, we investigate the properties of photonic band structures in two-dimensional
superconductor photonic crystals (2D-SCPCs) using the frequency dependent plane wave …

Two dimensional tunable photonic crystals and n doped semiconductor materials

HA Elsayed, SA El-Naggar, AH Aly - Materials Chemistry and Physics, 2015 - Elsevier
In this paper, we theoretically investigate the effect of the doping concentration on the
properties of two dimensional semiconductor photonic band structures. We consider two …

Stochastic modeling of 2D photonic crystals

MI Wafa, YM El-Batawy, SA El-Naggar - Optical and Quantum Electronics, 2021 - Springer
Due to the fabrication processes, inaccurate manufacturing of the photonic crystals (PCs)
might occur which affect their performance. In this paper, we examine the effects of tolerance …

Photonic band gaps properties of two-dimensional ternary superconductor photonic crystals

HA Elsayed - Surface Review and Letters, 2019 - World Scientific
In the present communication, by means of the frequency-dependent plane wave expansion
method, we theoretically demonstrate the photonic band structures of a new type of two …

Broadband three-port optical circulator with introduced triangular-guide column

Z Ouyang, Q Wang - US Patent App. 15/446,066, 2017 - Google Patents
(57) ABSTRACT A broadband three-port optical circulator having introduced therein a
triangular guide column, comprising two-dimen sional triangular lattice photonic crystals …

Analysis of phononic crystals with uncertainty parameters using extended plane wave expansion

MR Machado, EJP Miranda Junior… - INTER-NOISE and …, 2020 - ingentaconnect.com
In this paper, the extended plane wave expansion (EPWE) method is used to obtain the
band structure of 1D phononic crystals (PnCs). Inherent to all real systems, geometry …

Right-angle waveguide based on circular-hole-type square-lattice photonic crystal and dual compensation scattering cylinders with low refractive index

Z Ouyang, H Huang - US Patent App. 15/396,499, 2017 - Google Patents
A high-refractive-index double-compensation-scattering cylinder right-angle waveguide of a
hole-type square lattice photonic crystal, being a photonic crystal formed by arrang ing a first …