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photonic crystals

Photonic crystals in planar waveguides

Photonic crystals in planar waveguides

... of photonic crystals involves the solution of Maxwell’s equations in a periodic ...a photonic crystal, with a given dielectric constant, designed to operate at microwave frequencies will exhibit the ...

133

2D and 3D Photonic Crystals: Synthesis, Characterization and Topological Phenomenon

2D and 3D Photonic Crystals: Synthesis, Characterization and Topological Phenomenon

... novel photonic states such as line nodes and Weyl points in double gyroid photonic crystals, I designed and built an optics set up that can perform angle resolved spectroscopy with a quantum cascade ...

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Effective Plasma Frequency for Two- Dimensional Metallic Photonic Crystals

Effective Plasma Frequency for Two- Dimensional Metallic Photonic Crystals

... successfully depress more than 50% of the effective plasma frequency of copper by modifying it physically. So, we have shown that the effective plasma frequency of copper can be tailored with creating impurity in metals ...

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The Unfolding of Bandgap Diagrams of Hexagonal Photonic Crystals Computed with FDTD

The Unfolding of Bandgap Diagrams of Hexagonal Photonic Crystals Computed with FDTD

... The author has introduced a robust method applicable to the FDTD computation of unfolded PBG diagrams of hexagonal photonic crystals. Unlike alternative solutions, the method proposed in this paper does not ...

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An Efficient Algorithm for the Analysis and Design of Carbon Nanotube Photonic Crystals

An Efficient Algorithm for the Analysis and Design of Carbon Nanotube Photonic Crystals

... Figure 1 illustrates the general geometry of the problem dealt with in this paper. Each circle denotes a fictitious unit cell in which arbitrary periodic arrangements of CNTs can be assumed. The generalized reflection ...

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Tunable Photonic Crystals Based on Electrochemically Etched Porous Silicon

Tunable Photonic Crystals Based on Electrochemically Etched Porous Silicon

... silicon photonic crystals were successfully electrochemically etched from crystalline ...silicon photonic crystals as uniform and graded DBRs and Fabry-Perot filter structures through ...

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Quantum Coherence and Interference in Metallic Photonic Crystals and Hybrid Systems

Quantum Coherence and Interference in Metallic Photonic Crystals and Hybrid Systems

... the photonic band structure and density of states of a two-dimensional metallic photonic crystal consisting of two di¤erent metal- lic pillars in an air background ...two-dimensional photonic band ...

133

Comparative Study of the One Dimensional Dielectric  and Metallic Photonic Crystals

Comparative Study of the One Dimensional Dielectric and Metallic Photonic Crystals

... dielectric photonic crystals have at- tracted much research interest due to their various appli- cations for example, optical filters, waveguides, and op- tical fibres ...

8

Optical photonic crystals fabricated from colloidal systems

Optical photonic crystals fabricated from colloidal systems

... The prominent feature is a specular reflectivity peak for each structure, that systematically shifts from 1120 to 521 nm over the range of photonic crystals. The wavelength of the specular peak corresponds ...

6

Microplasma Array Serving as Photonic Crystals and Plasmon Chains

Microplasma Array Serving as Photonic Crystals and Plasmon Chains

... which clarified the band-gap properties including a fre- quency gap and attenuation discontinuity. Such features have not been noted in the previous reports of (metal- lic) photonic crystals. Plasmon chains ...

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Doubly-Periodic Photonic Crystals: Spectral Problems Analysis

Doubly-Periodic Photonic Crystals: Spectral Problems Analysis

... We show with a simple example that the corresponding conditions cannot be performed using the standard approach to the solution of spectral problems for the 2-D photonic crystals. This means that the ...

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Effect of Temperature on Nanocomposite of Metal Nanoparticles in Photonic Crystals

Effect of Temperature on Nanocomposite of Metal Nanoparticles in Photonic Crystals

... Photonic crystals (PCs) have attracted a lot of attention in the field of optics since ...the photonic band gap (PBG), in which the existence of light is forbidden within a certain range of optical ...

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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

... called photonic crystals (PCs), and can generate spectral regions named photonic band gaps (PBGs), which is similar to the electronic band gaps in a ...

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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

... which scales as the inverse of the temperature, has three main regimes. These are the weak, intermediate, and strong segregation limits. In strong segregation, the two blocks are strongly segregated and the blocks are ...

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Monitoring of degradation of porous silicon photonic crystals using digital photography

Monitoring of degradation of porous silicon photonic crystals using digital photography

... We report the monitoring of porous silicon (pSi) degradation in aqueous solutions using a consumer-grade digital camera. To facilitate optical monitoring, the pSi samples were prepared as one-dimensional photonic ...

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Large scale calculations of the propagation of light in 3D
photonic crystals with disorder

Large scale calculations of the propagation of light in 3D photonic crystals with disorder

... of crystals all with there own prop- erties and ...all photonic crystals and some are specic to the type of photonic crys- ...A photonic crystal is usually composed out of two materials ...

8

Spontaneous emission
spectra of organic molecules in synthetic opal photonic crystals

Spontaneous emission spectra of organic molecules in synthetic opal photonic crystals

... of photonic crystal. The defects of structure of the synthetic opal photonic crystals are crucial for redistribution of the photon DOS in the region of photonic stop band and for understanding ...

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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

... one-dimensional photonic crystals and the analysis of their optical properties have been performed using band diagram and forbidden gap map ...of photonic crystals with small, medium, and high ...

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Fabrication of 2-D photonic crystals using azo polymers

Fabrication of 2-D photonic crystals using azo polymers

... Photonic Crystals (PCs) are optical structures with periodic changes in dielectric constant with a periodicity of the scale of the optical ...of photonic band gaps which prevents light waves ...

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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

... 1D photonic crystals, and as waveguides for controlling light within an integrated ...1D photonic crystals with vertical walls and a large aspect ratio between the depth and width of the ...

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