Distributed feedback and photonic crystal structures
Photonic Crystal Laser-Driven Accelerator Structures
... fabricating structures at optical length ...the structures described in ...woodpile-based structures have been explored by the optics community, and great progress has been ...accelerator ...
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Numerical investigations of two-dimensional photonic crystal optical properties, design and analysis of photonic crystal based structures
... two-dimensional photonic crystal has the translation symmetry along the z axis, which leads to the existence of two independent polarizations: TE and ...a photonic crystal slab based on a ...
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Tuning of photonic bandgap in lithium niobate photonic crystal slab structures for wavelength filtering
... paper, photonic bandgap of Lithium Niobate (LiNbO 3 ) based photonic crystal slab with triangular lattice is presented and the tuning of bandgap is discussed as a function of slab’s ...MIT ...
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Band Structure Based Analysis of Certain Photonic Crystal Structures
... On–Shell Band Structure The problem of calculating on–shell band structures is not efficiently solved, yet. There are two main problems: First, the eigenequation with respect to the wave vector is nonlinear and not ...
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Optimization of Optical Nanoantenna Based on Structures Chiral Photonic Crystal
... Abstract: A novel Optical nanoantenna based on chiral photonic crystals is studied via numerical simulation under environment COMSOL Multiphysics 5.0. We have shown new model of optical nanoantenna. Where this ...
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Theoretical studies of the optical properties of photonic crystal and microcavity-based structures
... Introduction A key trend in information technology over the last fifty years has been miniaturisation. The characteristic size of devices has been decreasing constantly as recognized by the famous empirical Moore’s law, ...
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Dynamic bandgap tuning of solid thin film photonic crystal structures
... Different etching techniques, such as wet and dry etching, can be considered depending on different parameters such as etch rate, selectivity and isotropy. Etch rates depend on various factors including the quality of ...
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Local Dispersion of Guiding Modes in Photonic Crystal Waveguide Interfaces and Hetero-Structures
... of photonic crystal waveguides, the PWE method can be applied on a super ...W1 photonic crystal waveguide in hexagonal array of 2DPCs, consisting of the air holes in silicon background with ...
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Optical Absorption Enhancement in Solar Cells via 3D Photonic Crystal Structures
... 4. CONCLUSION We have presented a theoretical analysis for the potential and impact of a 3D PhC intermediate layer in the proposed concentrator system. Our calculation shows that the incorporation of a 3D PhC structure ...
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Spiral photonic crystal fibers
... 4.3 Towards Steiner ES-PCF Fabrication The simulation results of the ES-PCF have been presented in the previous chapters with discussion on the parameters that can be varied to manipulate the design to suit the desired ...
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Slotted photonic crystal sensors
... slotted photonic crystals offer the most compact solution of the optical biosensors ...larger structures can also be ...and photonic crystals in a single ...the photonic crystal allows ...
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Photonic Crystal Waveguide Fabrication
... The PhC waveguiding structure is formed thorugh electron-beam lithog- raphy, and various thicknesses of photoresist are tested and character- ized. Furthermore, various materials were attempted as an etch mask. ...
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Negative Refraction by Photonic Crystal
... While ε could be negative in some materials, no natural materials with negative µ are known. For certain structures, which are called metamaterials, the effective permittivity and permeability, possess negative ...
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New Design Concept and Fabrication Process for Three Dimensional Silicon Photonic Crystal Structures
... large photonic band gap is the alignment between two directional etching ...a photonic band gap, we have calculated the dependence of the photonic band gap on the positional displacement of the two ...
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Analysis, optimization, and characterization of magnetic photonic crystal structures and thin-film material layers
... MPC structures, is expected to be the fitting of actual deposited layer thickness, for thin-film materials with known refractive index dispersion ...quartz crystal microbalances, or reflectometer-type ...
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Photonic Band Structures and Enhancement of Omnidirectional Reflection Bands by Using a Ternary 1D Photonic Crystal Including Left-Handed Materials
... A. Gharaati * and Z. Zare Department of Physics, Payame Noor University, Tehran, I. R. of Iran Abstract—In this paper, we use the Bloch theorem and transfer matrix method to calculate the dispersion relation of a ternary ...
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Band Structures and Abnormal Behavior of One Dimensional Photonic Crystal Containing Negative Index Materials
... band structures and group velocities of the conventional photonic crystal and photonic crystal containing negative index materials with different filling fractions and contrast of ...
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Distributed hydrostatic pressure measurement using phase OTDR in a highly birefringent photonic crystal fiber
... Abstract—Although distributed fiber-optic sensing of axial strain and temperature is a well-established technique, there are almost no demonstrations of distributed hydrostatic pressure ...as ...
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Design And Evaluation Of Distributed Bragg Reflector From 1d Photonic Crystal Using Zemax And Teraplot
... of photonic crystals is presented through the design of "omnidirectional reflector ...one-dimensional photonic crystal. This idea was developed to establish Distributed Bragg ...
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Fabrication of a Silicon Photonic Crystal Biosensor
... The photonic band structure for a silicon slab in air, with relative permittivities as in previous sections, is plotted in figure ...band structures in previous ...
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