two-dimensional photonic band structure
Two-dimensional deterministic photonic band gap structures based on the quasi- periodic sequences at millimeter wave frequencies
... reconfigurable two dimensional PBG Thue Morse structure chow a various application so a resonator has been designed for the second Thue Morse order, and stop band filter is established for the ...
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Tunable Reflection Bands and Defect Modes in One Dimensional Tilted Photonic Crystal Structure
... electric structure have high reflectivity over a certain range of wavelengths but it is very sensitive to the incident ...Broad band Omnidirectional reflection (ODR) region with high reflec- tivity of PC ...
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Band Structure, Reflection Properties and Abnormal Behaviour of One-Dimensional Plasma Photonic Crystals
... Thus, if we decrease the thickness of plasma layers of PPCs, the magnitude of group velocity increases. Thus, the plasma width is the controlling parameter of group velocity. The negative group velocity (V g < 0) of ...
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Investigation of Ultra-Wide Reflection Bands in UV Region by Using One-Dimensional Multi Quantum Well Photonic Crystal
... years photonic crystals (PCs), which are structured materials with periodically modulated dielectric function and showing photonic band gap (PBG), have attracted considerable interest of scientists ...
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A New Approach to Enhance Incidence Angle Based Spectrum Tuning Capability of One-Dimensional Ternary Photonic Band Gap Structure
... PBG structure contains three layers in a ...ternary structure can be fabricated by depositing a thin layer of a third material between the two layers of the binary structure ...every ...
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Germanium Based Two-Dimensional Photonic Crystals with Square Lattice
... a two-dimensional (2D) photonic crystal with square lattice of Ge rods in air as well as air holes in Ge has been ...The photonic band structure calculation was performed using ...
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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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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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Theoretical Investigation of Transmission and Dispersion Properties of One Dimensional Photonic Crystal
... The photonic band gap is also same for both the TE and TM ...wider band gap than the figures ...new structure which can have adjustable gap ...the two sets of results are below ...The ...
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Characterization of Defect Modes in Onedimensional Ternary Metallo-Dielectric Nanolayered Photonic Crystal
... metallo-dielectric photonic crystal (1DTSMDPC) band-gap ...the photonic crystal (PC) with defect layer, made of two dielectrics and one metallic material, leads to different band-gap ...
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Omnidirectional Photonic Band Gap Expansion In Graphene Based One Dimensional Photonic Crystals
... GSPC structure In The edges of PBG will shift towards the higher frequency side as we increase the angle of incidence and at brewester angle TM mode do not ...the two important factor because of them there ...
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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-structure effects in the reflectivity of periodically patterned waveguides
... tonic band structure of these leaky modes. The measured waveguide band structure shows many similarities to the the- oretical predictions for an ideal two dimensional ~2D! trian- ...
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Extremal transmission at the Dirac point of a photonic band structure
... studied two- dimensional photonic crystals with a honeycomb or triangu- lar lattice, the emphasis has been on the frequency range where the band structure has a true gap, rather than on ...
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Properties of Omnidirectional Photonic Band Gaps in Fibonacci Quasi-Periodic One-Dimensional Superconductor Photonic Crystals
... of photonic band structure of Fibonacci quasi- periodic 1D SDPCs on the incident angle and angular frequency for both polarizations is plotted in ...between two white lines is the total ...
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Studies of surface two-dimensional photonic band-gap structures
... 2D structure with an azimuthal index m is reflected into a wave with the same azimuthal index m and the frequency locations of the maxima of the reflection co- efficients for the modes with different spatial ...
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Enlarged Photonic Band Gaps in One-Dimensional Magnetic Star Wave Guide Structure
... MSWG structure shows the appreciable number of band gaps though the number of forbidden bands and bandwidth is ...of photonic band gaps in magnetic SWG structure, which is unlike the ...
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Enhanced Temperature Sensing by Using One-Dimensional Ternary Photonic Band Gap Structures
... PBG structure is used. The approach is simple; the binary structure can be modified to form a ternary structure by sandwiching a thin layer of a third material between the two layers of the ...
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Electromagnetic waves in left-handed metamaterials
... of two-dimensional PC was demonstrated numeri- cally [97] using the modified transfer matrix ...a structure is always positive at the corresponding ...the photonic effective mass d2u / dkidkj ...
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DESIGN OF STACKED MICROSTRIP ANTENNA FOR DUAL BAND OPERATION USING PHOTONIC BAND GAP SLOT STRUCTURE
... modified structure of the antenna is shown in ...three dimensional view of the structure is shown in the ...PBG structure is elimination of surface wave currents which are responsible for low ...
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