surface photonic band gap
Studies of surface two-dimensional photonic band-gap structures
... In this article, the ‘‘ideal’’ coaxial 2D surface photonic band-gap structure has been theoretically studied. The coupled-wave theory used to describe such a structure has been presented and ...
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DESIGN OF STACKED MICROSTRIP ANTENNA FOR DUAL BAND OPERATION USING PHOTONIC BAND GAP SLOT STRUCTURE
... It has been observed that by introducing the PBG structure the gain and the antenna efficiency can be improved considerably. The PBG structure suppresses the surface waves, which in turn increases the antenna ...
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Fabrication of photonic band gap crystal using microtransfer molded templates
... structure surface of the ...layer-by-layer photonic structure, the second layer is rotated 90° with respect to the first layer; the third layer is parallel to first layer but shifted laterally by half the ...
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Photonic Band Gap Aperture Coupled Fractal Shape Tri-Band Active Antenna
... first band operation) ...to surface current intensity around the rings, the shorting pins’ positions can be optimized to suppress the surface current intensity, surface waves and fringing ...
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Strip-loaded nano-photonics on horizontal slot waveguide
... period surface ( p 2 ) and is not related to the width of the waveguide but only to the feature ...a photonic band gap exist also for ex- treme values of f ...the photonic bandgap and ...
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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 ...three-dimensional photonic crystals have enormous potential in upcoming ...
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Photonic band gap structure for improve the Performance of Band stop filters
... frequencies band for particular response of the ...back surface of the PCBs. Few photonic band gap (PBG) structures have been demonstrated on FR-4 substrate Pcbs with thickness of ...
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Compact Extremely Wideband Antenna with Photonic Crystal Structure Based on MEMS Manufacturing Technology
... wideband photonic crystal antenna is proposed with a very compact size of ...The band gap performance of photonic crystals can decrease electromagnetic wave absorption of silicon substrate, ...
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Coupled-mode theory for photonic band-gap inhibition of spatial instabilities
... a photonic crystal inside a nonlinear optical cavity, ...of photonic crystals for the control of optical spatial structures has been considered [13, 14, ...the photonic band- gap of a ...
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Performance Improvement of Microstrip Antenna Using EBG Structure
... the surface waves which spread along the surface of the substrate can be inhibited by the multiple photonic band-gap structure because of its consequences of forbidden band, that ...
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Design and Development of a Novel EBG Cell
... Electromagnetic band-gap (EBG) structures are artificially engineered materials providing the electromagnetic properties which are not available in natural ...Electromagnetic band gap (EBG) ...
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Numerical Investigation on the Spectral Properties of One-Dimensional Triadic-Cantor Quasi-Periodic Structure
... through Photonic Band Gaps (PBGs) inhibiting the electromagnetic waves propagation in certain directions of ...the photonic crystal interesting for many potential applications in integrated ...
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Tunable photonic structures based on silicon and liquid crystals
... Raman measurements were carried out in backscattering geometry using Renishaw micro-Raman system 1000 with Peltier cooled CCD camera. The polarised 514.5 nm line of an Ar + laser with power of 5 mW focused to a spot size ...
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Highly directional receiver and source antennas using photonic band gap crystals
... with photonic band gap structures has been ...two photonic band gap structures oriented back to back and separated from each other by a distance to form a resonant cavity between ...
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Hidden sector photon and axion searches using photonic band gap structures
... It follows that PBG structures containing a defect in the periodic lattice can behave analogously to a conventional microwave resonant cavity. Wave propagation in this periodic structure is governed by Bloch–Floquet ...
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Optimal Design of Photonic Band-Gap Structure Based on Kriging Surrogate Model
... for photonic band-gap structures in waveguide filter, this paper presents an effective optimization method using Kriging surrogate model combing with semi- analytical spectral element method to ...
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A polariton condensate in a photonic crystal potential landscape
... two-dimensional gap soliton state [22] previously predicted in square lattice potentials [23] and observed in potentials induced by surface acoustic waves ...these gap states are analogous to their ...
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Omnidirectional Reflection from Generalized Kolakoski Multilayers
... omnidirectional band gaps is an attractive topic in the field of PBG structures, because some devices require the use of wideband omnidirectional reflectors for obtaining proper ...aperiodic photonic ...
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Design of One dimensional Photonic Crystals Using Combination of Band Diagram and Photonic Gap Map Approaches
... Microphotonics has been recently recognized as one of the ways to further the development of communication and information technologies. Its hardware component base is rapidly growing. It is recognized that the most ...
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Tunable Reflection Bands and Defect Modes in One Dimensional Tilted Photonic Crystal Structure
... the band gap and hence in the ODR arises due to increase in the effec- tive optical path of the layer by tilting the ...the band gap re- gion have been ...
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