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In this paper, reflectance and transmittance of Silicon nanostructure array obtained from simulation of various textured structure has been presented. These nanostructures reduce the reflections and enhance the antireflection property of solar cells. We reviewed various fabrication methods used for nanoscale antireflection structures. Generally fabrication of nanoscale structure is done by two approaches:...
Biosensor is an analytical device used to detect the biological analyte, which can be antibodies enzymes cells or biomolecules. Biosensors have many applications like in environmental monitoring, biomedical research, and healthcare. In this paper we have proposed a multichannel nanocavity coupled photonic crystal biosensor having waveguides and nanocavities in the hexagonal lattice of rods of Si in...
Biosensor is an analytical device used to detect the biological analyte, which can be antibodies enzymes cells or biomolecules. Biosensors have many applications like in environmental monitoring, biomedical research, and healthcare. In this paper we have proposed a nano-cavity coupled waveguide 2D photonic crystal biosensor which can be able to detect different blood components. This structure has...
We proposed atypical design of wideband photonic crystal fiber with optimized losses using a rectangular pcf with enlarged four central air hole. The proposed design of pcf is composed silica material, design and simulated by finite difference time domain software(FDTD)method, Using this structure, the pcf with confinement loss lass then −0.1db/km over a wide range of wavelength from 0.8–2μm and zero...
In this paper, we designated and performed the add/drop filter using the photonic crystal ring resonator(PCRR) in square configuration. The structure comprises of square lattice and silicon rods that are enclosed by air. Radius of silicon rod is 0.1 μm with index of refraction is 3.47. The proposed structure is realized by make use of the Finite Difference Time Domain(FDTD) method. 100% efficiency...
In this study we suggest a new type of structure to obtain band pass filter. This structure consist 3x3 dual square band pass filter based on two dimensional photonic crystal in a silicon square lattice. The photonic band gap can be calculated by using plane wave expansion (PWE) method. The normalized transmission can be obtained by varying coupling period between two square photonic crystal ring...
In this paper, we demonstrated a band pass filter based on NXN square photonic crystal ring resonator (PCRR) with 45 degrees bend in an ordinary waveguide. According to the numerical analysis 45 degrees bend waveguide structure fully suitable as an optical filter with respect to C band (1530nm-1565nm). The main characteristics of this proposed band pass filter using elliptical rods structure with...
A precise technique used for design of this biperiodic bands pass filter by applying proper defect for creating waveguide and photonic crystal ring resonator. Specialty of this band pass filter is that this is perfectly applicable for U band (1625nm–1675nm) and L band (1565nm–1625nm) for cwdm system whose quality factors are 112 and 164 respectively, can be obtained by using 2D finite difference time...
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