The light-slowing effect near band endpoints is frequently exploited in photonic crystals to enhance the optical transmittance. In a one-dimensional binary crystal (1DPC) made of hyperbolic metamaterials (HMMs), we theoretically examined angle-dependent omnidirectional bandgap (PBG) for TM polarization. Using transfer matrix approach, characteristics 1DPC structure having dielectric and HMM layers were at infrared range (IR). As such, observed existing numerous PBGs this operating wavelength...

In this study, a theoretical examination is conducted to investigate the biosensing capabilities of different surface plasmon resonance (SPR) based hybrid multilayer structures, which are composed two-dimensional (2D) materials.

Believing that the detection of hemoglobin possesses a vital role in discovery many diseases, we present this work simple method for sensing and detecting based on one-dimensional photonic crystals. Implementing as defect layer inside proposed crystal results resonant peak evolving within bandgaps. The strong dependence these peaks concentration consequent refractive index are essential bases process. played by parameters together with angle incidence performance efficiency our sensor is...

In this paper, we theoretically investigate the effect of an external magnetic field on properties photonic band structures in two-dimensional n-doped semiconductor crystals. We used frequency-dependent plane wave expansion method. The numerical results reveal that has a significant permittivity materials. Therefore, can be strongly tuned and controlled. proposed structure is good candidate for many applications, including filters, switches, modulators optoelectronics microwave devices.

The sensing of protein is great importance because its prominent role in building and repairing tissues. In this work, we present a simple design for the detection using one-dimensional defective photonic crystals. main idea our work included theoretical investigation transmittance properties resonant mode produced inside band gap. Our study uses characteristic matrix method curve fitting. reason to detect concentration solution an efficient, accurate, method. Here, defect layer filled with...

New (to the best of our knowledge) photonic crystal optical filters with unique characteristics are theoretically introduced in this research. Here, design is composed a defect layer inside one-dimensional crystals. The main idea study dependent on tunability permittivity graphene by means electro-optical effect. transfer matrix method and effect represent cornerstone methodology to investigate numerical results design. investigated for four different configurations defective crystals...

For sensing various samples of polluted water and sodium chloride concentrations using an angular surface plasmon resonance (ASPR), we have introduced a conventional structure hybrid heterostructure in the current research. The suggested structures are composed silver metal, dielectric layers, nanocomposite, medium. reflectance spectra all visible region were obtained through utilization transfer matrix method by interrogation depending on Kretschmann configuration. Through our findings,...

Abstract The Matlab program has been utilized in this study to examine the absorption spectral properties of a one-dimensional photonic crystal (1DPCs) comprising two composite metamaterials through near IR wavelengths. are designed from Ag gyroidal geometry (layer A) and hyperbolic metamaterial B). Therefore, introduced design is labeled as $${[A{B}^{n}]}^{m}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msup> <mml:mrow> <mml:mo>[</mml:mo> <mml:mi>A</mml:mi>...

This paper seeks to progress the field of topological photonic crystals (TPC) as a promising tool in face construction flaws. In particular, structure can be used novel temperature sensor. this regard, considered TPC comprising two different PC designs named PC1 and PC2. is designed from stack multilayers containing Silicon (Si) dioxide (SiO2), while layers SiO2 composite layer hyperbolic metamaterial (HMM) are designing The HMM engineered using subwavelength Si Bismuth Germinate, or BGO (...

By employing the characteristics matrix method, we have investigated transmission properties of one-dimensional dielectric–semiconductor metamaterial photonic crystals (PC) at Terahertz (THz) range theoretically. The numerical results show appearance cutoff frequency within THz range. Furthermore, thicknesses constituents materials and filling factor a significant effect on frequency. proposed structure may be useful in many applications, particularly regions.

Abstract In this work, we present a simple design to act as temperature sensor based on the well-known one dimensional photonic crystal. The main idea of proposed is essentially depending inclusion defect layer graphene monolayers deposited nematic liquid crystal through transfers matrix method, Kubo-Formula, and fitting experimental data represent core axes our theoretical treatment. Here, prepared sense shift resonant peak with variation. performance such demonstrated by calculating...

In this research, a theoretical investigation of the one-dimensional defective photonic crystals is considered for detection gamma-ray radiation. Each unit cell (1D PhCs) composed two layers designed from porous silicon infiltrated by poly-vinyl alcohol polymer doped with crystal violet (CV) and carbol fuchsine (CF) dyes (doped-polymer) different porosity. addition, single layer doped-polymer included in middle 1D PhCs to stimulate localization distinct resonant wavelength through band gap....

The resonant acoustic band gap materials have introduced an innovative generation of sensing technology. Based on the local transmitted peaks, this study aims to comprehensively investigate use periodic and quasi-periodic one-dimension (1D) layered phononic crystals (PnCs) as a highly sensitive biosensor for detection monitoring sodium iodide (NaI) solution. Meanwhile, defect layer is inside crystal designs be filled with NaI proposed developed based PnCs structure structure. numerical...