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two-dimensional photonic crystals

Analysis of Post-Wall Waveguides and Circuits Using a Model of Two-Dimensional Photonic Crystals

Analysis of Post-Wall Waveguides and Circuits Using a Model of Two-Dimensional Photonic Crystals

... Abstract—A semi-analytical method to analyze post-wall waveguides and circuits based on the model of two-dimensional photonic crystals formed by layered periodic arrays of circular cylinders ...

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Germanium Based Two Dimensional Photonic Crystals: The Hexagonal and Honeycomb Lattices

Germanium Based Two Dimensional Photonic Crystals: The Hexagonal and Honeycomb Lattices

... some photonic crystal books [15] [16] and papers ...of two-dimensional photonic crystals composed of germanium are ...these photonic crystals is performed by presenting ...

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Germanium Based Two-Dimensional Photonic Crystals with Square Lattice

Germanium Based Two-Dimensional Photonic Crystals with Square Lattice

... 2D photonic crystal having a point defect and a line defect, using the finite- difference time domain (FDTD) ...in two-dimensional photonic crystals permits us to localize and guide ...

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Surface states in optical spectra of two dimensional photonic crystals with various surface terminations

Surface states in optical spectra of two dimensional photonic crystals with various surface terminations

... The spectral positions of surface dips in the experimental and theoretical spectra coincide with each other. However, there is some disagreement between experimental and the- oretical spectra calculated by the ...

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Design of Microwave Devices Exploiting Fibonacci and Hybrid Periodic/Fibonacci One Dimensional Photonic Crystals

Design of Microwave Devices Exploiting Fibonacci and Hybrid Periodic/Fibonacci One Dimensional Photonic Crystals

... in two and three dimensions. But one-dimensional PBG structures have been given more importance and investigated extensively because such structures can be fabricated more easily for a large range of ...

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Double Cavity Fabry Perot Resonators Based on One Dimensional Silicon Photonic Crystals

Double Cavity Fabry Perot Resonators Based on One Dimensional Silicon Photonic Crystals

... liquid crystals with a large range of Δn, the tuning of the resonance modes has been significantly extended, for example, in the case of the cascade resonator ...one-dimensional photonic crystal (1D ...

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Design of One dimensional Photonic Crystals Using Combination of Band Diagram and Photonic Gap Map Approaches

Design of One dimensional Photonic Crystals Using Combination of Band Diagram and Photonic Gap Map Approaches

... As was already demonstrated in Fig. 1共b兲, ODB is de- fined by the range of overlapping of PBGs calculated for 0° and maximal possible angles of incidence for TM and TE modes. The BDs for the photonic structure of ...

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Broadening of Omnidirectional Photonic Band Gap in Si-Based One Dimensional Photonic Crystals

Broadening of Omnidirectional Photonic Band Gap in Si-Based One Dimensional Photonic Crystals

... last two decades, there has been much interest in the study of the physics of photonic crystals (PCs) for understanding their various properties and potential ...applications. Photonic ...

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Fabrication of one dimensional photonic crystals by photoelectrochemical etching of silicon

Fabrication of one dimensional photonic crystals by photoelectrochemical etching of silicon

... It has been established [15, 16] that the diameters of macropores in a semiregular lattice is a constant quantity that is independent of either current or the period of seeding grooves d ≠ f(j, a). Thus, a silicon– ...

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Comparative Study of the One Dimensional Dielectric  and Metallic Photonic Crystals

Comparative Study of the One Dimensional Dielectric and Metallic Photonic Crystals

... band gaps of the S- and P-polarized waves occur. The band gap of the P-polarized wave shrinks due to Brew- ster effect at the interface between low and high index layers [9]. But the band gap of the S-polarized wave in- ...

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Three-Dimensional Self-Assembly of Brush Block Copolymers to Photonic Crystals

Three-Dimensional Self-Assembly of Brush Block Copolymers to Photonic Crystals

... the two blocks are strongly segregated and the blocks are stretched to form sharp interfaces between the ...potential two and three dimensional photonic ...

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Photonic crystals in planar waveguides

Photonic crystals in planar waveguides

... In this chapter the theory of one and two-dimensional photonic bandgap waveguides is considered. We develop several analytical models to build up an intuitive appreciation of the behaviour of modes ...

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Enhancement of Omnidirectional Reflection in Photonic Crystal Heterostructures

Enhancement of Omnidirectional Reflection in Photonic Crystal Heterostructures

... 3D photonic crystals is limited. The 1D photonic crystals are attractive since their production is more feasible at any wavelength scale and their analytical and numerical calculations are ...

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Omnidirectional Photonic Band Gap Expansion In Graphene Based One Dimensional Photonic Crystals

Omnidirectional Photonic Band Gap Expansion In Graphene Based One Dimensional Photonic Crystals

... Fig 1. Schematic representation of GSPC structure In The edges of PBG will shift towards the higher frequency side as we increase the angle of incidence and at brewester angle TM mode do not reflects.these are the ...

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Properties of Omnidirectional Photonic Band Gaps in Fibonacci Quasi-Periodic One-Dimensional Superconductor Photonic Crystals

Properties of Omnidirectional Photonic Band Gaps in Fibonacci Quasi-Periodic One-Dimensional Superconductor Photonic Crystals

... one, two, three spatial directions has received much attention on the experimental and theoretical investigations since pioneering works of Yablonovitch [1] and John ...called photonic crystals ...

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Controlling Surface States of Planar Metamaterial Based on Moire Effect

Controlling Surface States of Planar Metamaterial Based on Moire Effect

... of two types of planar metamaterials based on the moire effect is demonstrated both experimentally and ...of two microstrip photonic crystals with close periods, the position of the stopband in ...

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Band Structure, Reflection Properties and Abnormal Behaviour of One-Dimensional Plasma Photonic Crystals

Band Structure, Reflection Properties and Abnormal Behaviour of One-Dimensional Plasma Photonic Crystals

... last two decades, photonic crystals (PCs) have drawn attention of many researchers because of the ability of PCs to control the propagation of electromagnetic ...general, photonic crystal ...

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Effective Plasma Frequency for Two- Dimensional Metallic Photonic Crystals

Effective Plasma Frequency for Two- Dimensional Metallic Photonic Crystals

... of photonic crystals with dielectric rods in metals ...metallic-vacuum photonic crystals in E polarization ...metallic-dielectric photonic crystals but we studied plasma ...

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Design, fabrication and optical characterization of one dimensional two  and multi component photonic crystals based on silicon

Design, fabrication and optical characterization of one dimensional two and multi component photonic crystals based on silicon

... Section 4.4.5 Optimization: Compensation of the fabrication tolerances Number of periods, N Lattice constant, a fpm Filling fraction of Si fsi Refractive index of Si, nH=nsi Refractive i[r] ...

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Enhanced Absorption in Periodic One-Dimensional Metallic-Organic  Periodic Structure

Enhanced Absorption in Periodic One-Dimensional Metallic-Organic Periodic Structure

... NPB layers. The reflectance and transmittance of the 1D MOPS have been observed to be 28% and 24% in the visible region, and the absorption in infrared region is found 84% as shown in Fig. 3. It is clearly shown that the ...

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