Two and three dimensional photonic crystal structures
Numerical investigations of two-dimensional photonic crystal optical properties, design and analysis of photonic crystal based structures
... ideal two-dimensional photonic crystal has the translation symmetry along the z axis, which leads to the existence of two independent polarizations: TE and ...the ...
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Waveguides in three-dimensional photonic bandgap structures
... Next, the distance from the waveguide axis to the surface of the crystal was varied from zero to eight layers in nine steps by removing layers of rods from the crystal's surface, a[r] ...
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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 ...between two directional etching processes to generate a photonic band gap, we have calculated the dependence of the ...
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Frequency conversion in two-dimensional photonic structures
... the photonic crystal is treated as a resonance, and the SH signal in transmission depends on how efficiently the fields at the fundamental and the second harmonic frequency couple in or out of these ...
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Optimization of two dimensional chiral photonic crystal nanostructures
... Chiral Photonic Crystals, Optical Nanostructure, COMSOL Multiphysics ...heterogeneous structures, through the use of space mesh and a 3D visualization of the phenomenon can be ...
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The crystal structures of three pyrazine 2,5 dicarboxamides: three dimensional supramolecular structures
... the crystal of (I), molecules are linked by N—H N hydrogen bonds, forming layers lying parallel to the bc ...a three-dimensional supra- molecular structure. In the crystal of (II), molecules ...
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Studies of surface two-dimensional photonic band-gap structures
... periodic structures has led to many technological break- throughs in conventional optics and vacuum ...one- dimensional shallow corrugation 共 1D Bragg corrugation 兲 on the wall of a waveguide to obtain mode ...
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Design of Photonic Crystals by FDTD Method and Fabrication of High-Q Three-Dimensional Photonic Crystal Nanocavities
... all structures increase exponentially with the number of the stacked layers until their saturations determined by power losses into the in- plane direction limited by the small number of the in-plane ...
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Characteristics of Two-Dimensional Triangular and Three-Dimensional Face-Centered-Cubic Photonic Crystals
... stage. Two different FDTD types of software were evaluated and compared in this ...the two-dimensional triangular PhC ...a three- dimensional FDTD solve; however, it is not a true ...
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Optical spectra of two dimensional photonic crystal bars based on macroporous Si
... The scattering matrix formalism 21, 22 is a powerful tool for investigation of the eigenmodes of thin one- and two dimensionally periodic photonic crystal slabs. 24–27 The main idea of this method is ...
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Thermal Expansion of Photonic Band Gap for One Dimensional Photonic Crystal
... one-dimensional photonic crystal structure, as shown in Figure 1, that is periodic along z-direction, with lattice constant d = d 1 + d 2 being the corresponding spatial ...the two slabs of ...
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Photonic Crystal Laser-Driven Accelerator Structures
... fabricating structures at optical length ...possible three-dimensional PBG lattices in that the meth- ods of fabricating the lattice and defects within the lattice are relatively ...the ...
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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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Electronic control of coherence in a two-dimensional array of photonic crystal surface emitting lasers
... lattice photonic crystal is of specific interest here because it can couple light between the two orthogo- nal in-plane directions and importantly, also couple light to a surface emitting ...the ...
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Nine Channels Wavelength Division Demultiplexer Based Upon Two Dimensional Photonic Crystal
... upon Two Dimensional Photonic Crystal Sanaa Ghezali 1 , Fatima Tayeboun 1, * , and Kada ...a two- dimensional photonic crystal ...
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Band Gap Simulations of 1-Dimensional Photonic Crystal
... 1 DIMENSIONAL PHOTONIC CRYSTAL USING FDTD METHOD One of the possible ways to overcome the problem of plane wave Expansion Method is to apply the FDTD ...
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Omni-Direction Reflection in One Dimensional Photonic Crystal
... to photonic crystals (PCs) as a new kind of optical materials ...of photonic crystals is that they can prohibit the propagation of electromagnetic waves within a certain frequency range called ...
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Dirac Dispersion and Zero-Index in Two Dimensional and Three Dimensional Photonic and Phononic Systems (Invited Paper)
... realizable structures to obtain 3D ADIDP in both photonic and phononic ...3D photonic systems is a six-fold degenerate state, formed by the accidental degeneracy of electric and magnetic dipoles ...
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Engineering photonic environments for two-dimensional materials
... fascinating photonic platform with a small device scale, fast operating speed, as well as low energy consumption is two-dimensional (2D) materials, thanks to their in-plane crystalline ...
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Tuning of photonic bandgap in lithium niobate photonic crystal slab structures for wavelength filtering
... In the present work, tuning of PBG is presented for wavelength filtering applications. The RI of the slab material is considered as varying by adopting thermo-optic effect 24 . This can be realized by creating localized ...
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