two-dimensional photonic band-gap
Studies of surface two-dimensional photonic band-gap structures
... one- dimensional shallow corrugation 共 1D Bragg corrugation 兲 on the wall of a waveguide to obtain mode transformation in the microwave frequency range and in 1977, Yariv and Naka- mura considered the use of a 1D ...
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Two-dimensional deterministic photonic band gap structures based on the quasi- periodic sequences at millimeter wave frequencies
... of band gap and her characteristics is associated to the value of iteration from quasi-periodic system and the geometries of ...aperiodic photonic structure in microwave domain is that can ...
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Enhanced Temperature Sensing by Using One-Dimensional Ternary Photonic Band Gap Structures
... binary photonic band gap (PBG) structures [1, 2] have been the subject of interest in recent ...of photonic band gaps or stop bands, in which propagation of electromagnetic waves of ...
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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 crystals are ...
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Photonic Band Gap Aperture Coupled Fractal Shape Tri-Band Active Antenna
... of two variables, namely impedance (Z ) and electrical length ...Afterward, two different algorithms are used to optimize the obtained values of the transmission line transformer ...problem, two M by ...
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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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Omnidirectional Photonic Band Gap Expansion In Graphene Based One Dimensional Photonic Crystals
... the two important factor because of them there is no absolute photonic band gap (PBG) but it does not mean that there is no Omni-directional ...
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Design of a Tunable Optical Filter by Using a One-Dimensional Ternary Photonic Band Gap Material
... Abstract—A band pass filter with a linearly periodic refractive index profile is discussed in analogy with Kroning Penney model in band theory of ...has two more controlling parameters relative to ...
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Band Gap Simulations of 1-Dimensional Photonic Crystal
... 1D Photonic crystal is Bragg grating, which is widely used as a distributed reflector in vertical cavity surface emitting ...However, two and three-dimensional photonic crystals have enormous ...
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Tunable Reflection Bands and Defect Modes in One Dimensional Tilted Photonic Crystal Structure
... Broad band Omnidirectional reflection (ODR) region with high reflec- tivity of PC structure mainly depends on the two aspects; one on the selection of materials with high refractive index contrast and other ...
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Defect Mode Tuning in Two-Dimensional Band-Gap Wire Structure in the Millimeter Waveband
... as the spacing between the centers of the wires in rows 4 and 5. The wires 0 . 315 mm in diameter are located periodically in Ox and Oy directions with the periods ( a = b ) . Thus, the unit cell of such PC has the form ...
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Multi Photonic Band Gap Silica Gallium Nonlinear Omnideirectional 1 D Photonic Crystal
... A photonic crystal is a periodic optical nanostructure that affects the motion of photons in much the same way that ionic lattices affect electrons in ...solids. Photonic crystals occur in nature in the ...
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Boron Monochalcogenides; Stable and Strong Two-Dimensional Wide Band-Gap Semiconductors
... materials. Two different atomic lattices for BS, BSe, and BTe monolayers with stacking sequences of ABBA and ABBC were ...Electronic band structures confirm that all predicted single-layer boron ...
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The Study of Quantum Interference in Metallic Photonic Crystals Doped with Four Level Quantum Dots
... tronic band gap and near a photonic band edge, respec- tively, where a PC functions as a reservoir for an exited light emitter or active medium such as an atom, a molecule or a quantum dot ...
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Band Structure and Dispersion Properties of Photonic Quasicrystals
... Quasicrystals have inherent potentials that have been subject of important theoretical developments in both solid-state physics and photonics engineering [1–5]. Quasicrystals were discovered in nature first in AlMn ...
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Strip-loaded nano-photonics on horizontal slot waveguide
... a photonic band gap in the transmission spectrum of the waveguide in which it is engraved and the width of this band gap depends directly on the refractive ...
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Enhancement of Omnidirectional Reflection in Photonic Crystal Heterostructures
... Large band gap is one aim in the study of photonic ...wide band gap. Disordered 1D photonic crystal has been studied for band gap extension [34, ...of two or ...
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A new compact circular shape photonic band gap filter
... line band pass filters ...Wideband band stop filters are important components in microwave ...Complete band gap can be achieved by extending the perforations in three dimensions for PBG ...
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Coupled-mode theory for photonic band-gap inhibition of spatial instabilities
... and photonic crystal parameters are obtained via a coupled- mode ...between two spatially shifted ...the two solutions are formed and we provide analytical expressions for their ...
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Band Gap Effects in a Two Dimensional Regular Polygonal Graphene Like Structure
... the band gap effects generated by its natural ...the band gap ...the band gap changes under natural vibration for de- signing an optimal AWD; the studied 2D polygonal models were ...
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