Three Dimensional Photonic Crystals
Enhanced the Complete Photonic Band Gaps for Three-Dimensional Photonic Crystals Consisting of Epsilon-Negative Materials in Pyrochlore Arrangement
... of photonic band gaps (PBGs) for three-dimensional (3D) photonic crystals (PCs) composed of isotropic positive-index materials and epsilon-negative materials with pyrochlore lattices ...
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Highly enhanced luminescence performance of LEDs via controllable layerstructured. three-dimensional photonic crystals and PC beads
... 3D photonic crystal films are used as back reflectors to study the influence of the number of the layers on the enhancement of the efficiency of light emission from LEDs and the quantum ...
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Three-Dimensional Self-Assembly of Brush Block Copolymers to Photonic Crystals
... characterized by Ultraviolet-Visible spectroscopy to suggest where the peaks of reflection in the sample would be. In future work, a more advanced imaging or scattering technique such as Atomic Force Microscopy, Small ...
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Design of Photonic Crystals by FDTD Method and Fabrication of High-Q Three-Dimensional Photonic Crystal Nanocavities
... Abstract Photonic crystal with a defect as a nanocavity has been attracting much interest as a promising platform to manipulate light and light-matter interaction on wavelength-sized length scale due to existence ...
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Photonic crystals in planar waveguides
... 1.5 Three-dimensional Photonic Crystals The first 3D PC possessing a complete PBG was fabricated by Yablonovitch et al 3 at microwave frequencies and is known as ...through three times ...
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Structural color three-dimensional printing by shrinking photonic crystals
... patterning photonic crystal structures with the requisite ~300 nm lattice constant to achieve photonic stopbands/ bandgaps in the visible spectrum and generate ...3D-printed photonic crystals ...
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Characteristics of Two-Dimensional Triangular and Three-Dimensional Face-Centered-Cubic Photonic Crystals
... 3.2 Conclusion The tools used to model any PhC design should be validated against test results. Once proper validation is concluded, the use of these tools will be extremely powerful for experimentation in different ...
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Three-dimensional metallic photonic crystals fabricated by soft lithography for midinfrared applications
... of photonic crystals, which can prohibit the propagation of light in all directions at a certain range of frequencies 2,3 called a photonic band gap 共PBG兲, researchers have intensively investigated ...
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Colloidal co-crystallization: A new route for production of three-dimensional metallodielectric photonic crystals
... Photonic crystals are periodic dielectric structure that arrange in periodic fashion to form a ...transmit photonic crystals appears to be major concern among researchers for several ...
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Broadening of Omnidirectional Photonic Band Gap in Si-Based One Dimensional Photonic Crystals
... In the present communication, we propose a simple design of a broadband reflector using a one-dimensional gradual stacked photonic crystal comprising three stacks of periodic multilayer, each stack ...
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Fabrication of one dimensional photonic crystals by photoelectrochemical etching of silicon
... In Fig. 6, we show the topography of the relief of the walls formed at different current densities of PECE. The arrays of data forming the image were pro cessed with a gradient filter, which made it possible to clearly ...
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Design of three component one dimensional photonic crystals for alteration of optical contrast and omni directional reflection
... Liquid Crystals (LCs), which enables tuning of the optical contrast due to reorientation of the LC molecules 4 ...liquid crystals used for device applications have refractive indices in the range ...
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The Dispersion Characteristics of the Three-Dimensional Function Photonic Crystals with Woodpile Lattices Composed of Plasma and Magnetized Plasma Elements
... the three-dimensional anisotropic dispersive photonic crystals consisting of the magnetized plasma and uniaxial material as the Faraday effects considered,” ...the ...
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Localization in photonic crystals
... ∂H y ∂z = −ε ∂E x ∂t + σE x , (4.17) Although the fields ~ E and ~ H retain their vector character in 3 dimensions, the problem is now effectively one-dimensional, because the fields can only vary in time, and in ...
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Design of One dimensional Photonic Crystals Using Combination of Band Diagram and Photonic Gap Map Approaches
... of photonic crystals ...one- dimensional 共1D兲 PCs, thanks to certain advantages of these devices over two- and three-dimensional 共3D兲 ...
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MAXIMIZING BAND GAPS IN TWO-DIMENSIONAL PHOTONIC CRYSTALS STEVEN J. COX AND DAVID C. DOBSON y Abstract. Photonic crystals are periodic structures comp
... in fact it is desirable to design structures which exhibit band gaps in both E - and H - polarization modes. The full three-dimensional problem, in which the vector Maxwell equations must be retained, is of ...
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Surface states in optical spectra of two dimensional photonic crystals with various surface terminations
... Let us investigate the influence of the interface on the reflection spectra. For this, we fixed the radius of the cylinders at 0.45a and varied the parameter w in the range 0–1.5a. The results of these calculations with a ...
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Band Structure, Reflection Properties and Abnormal Behaviour of One-Dimensional Plasma Photonic Crystals
... has three distinct states with two critical values of normalized frequency where change of states takes place; it may be used in the design of double layer memory devices in optical ...
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Two-dimensional Photonic Crystals Fabricated by Nanoimprint Lithography
... Passive photonic devices especially polymer photonic crystals has been successfully fabricated by NIL [12-14] ...2-D photonic crystals using NIL is ...2-D photonic crystal ...
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Omnidirectional Photonic Band Gap Expansion In Graphene Based One Dimensional Photonic Crystals
... To summarize, we have investigated theoretically the ODR range of one-dimensional GSPC structure. It is found that the ODR range of GSPC structure can be enhanced by changing the material si by Graphene with ...
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