two-dimensional photonic crystal structure
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 ...PC structure mainly depends on the two aspects; one on the selection of ...
7
Omni-Direction Reflection in One Dimensional Photonic Crystal
... Besides two dimensional and three dimensional photonic crystals, the simplest periodic structure both in geometry and manipulating is a one dimensional stack of two types ...
11
Design And Simulation Of Two Dimensional Photonic Crystal Ring Resonator Based Four Port Wavelength Demultiplexer
... Inorder to analyze the dispersion behavior and the transmission spectra of PCs, PWE [37] and FDTD [36] methods are used. The PWE method is useful for analyzing the PC structures, that can be expressed as a superposition ...
7
Nine Channels Wavelength Division Demultiplexer Based Upon Two Dimensional Photonic Crystal
... Number of output channels, transmission efficiency, quality factor, crosstalk and channel spacing are the most crucial characteristics of PhC-based demultiplexers. Recently, many attempts have been focused on improving the ...
8
Optical spectra of two dimensional photonic crystal bars based on macroporous Si
... the photonic crystal structures with a limited number of ...Γ-M photonic crystal directions. A possible model structure consists of a number of periodical layers homogeneous along Z ...
9
Electronic control of coherence in a two-dimensional array of photonic crystal surface emitting lasers
... e-beam lithography and dry etching processes. In this case the photonic crystal consists of a circular hole repeated on a lattice with square symmetry. The lattice period is 295 nm and the hole is 240 nm in ...
6
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 and ...
8
Frequency conversion in two-dimensional photonic structures
... of photonic crystal slabs can be tuned either via tuning the parameters of the structure, or via tuning the angle of ...symmetric photonic crystal structures [98] confirm that this ...
140
Self-Collimation Effect in Two-Dimentional Photonic Crystal Based on Optofludic Technology
... PhC structure with minimal ...a two-dimensional (2D) triangular rod-type photonic crystal lattice waveguide that support self-collimation effect over a large frequency and angle range ...
14
General electromagnetic density of modes for a one dimensional photonic crystal
... one, two, and three dimensions 关 3 兴 have been proposed and fab- ...so-called photonic crystals exhibit photonic band gaps that can be used to modify the ...periodic structure. Ana- lytical ...
5
Tunable microcavity based on macroporous silicon: feasibility of fabrication
... a two-dimensional, photonic crystal slab ...The structure consists of five rows of macro-pores on both sides of a trench-defect, filled with a nematic liquid ...fabricated ...
7
Multichannel Narrowband Tunable Filters Based on Multilayer Structures Made of Yttrium Barium Copper Oxide and Strontium Titanate Layers
... operation range (nearly 201–205 nm) some closely piled peaks are created. Our numerical results show that the peaks are moved to the higher wavelengths as incident angle and thickness of layers increase. The number of ...
8
Band Gap Simulations of 1-Dimensional Photonic Crystal
... One of the possible ways to overcome the problem of plane wave Expansion Method is to apply the FDTD technique. In contrast to PWE method, the FDTD provides possibility of the refractive index variation during the ...
5
Super-Lattice Structure Photonic Crystal Fiber
... novel photonic crystal fibers (PCFs) based on a super-lattice ...super-lattice structure is proposed and investigated, which has similar birefringent and confinement loss characteristics as the ...
12
Photonic crystal interfaces: a design driven approach
... In August 2002, as an exciting beginning to my doctoral studies, I was given the opportunity to travel to the town of Ascona, on the banks of Lago Maggiore in Switzerland, to attend a summer school on two ...
194
Enhancing Accuracy of Photonic Structure of Photonic Crystal Fiber Using ANN
... the photonic band gap variation in 2-d triangular lattice of sio2-air ...the photonic band gap graphs if the region width < ...the photonic structure, the neural network is expected to ...
5
Photonic crystal Bragg lasers : design, fabrication, and characterization
... PC structure fabricated by dry etching technique causes extra losses due to the scattering and surface recombination, which lead to a higher ...PC structure. This is mainly due to the fact that the PC ...
145
PCRR Based Bandpass Filter for C and L+U Bands of ITU T G 694 2 CWDM Systems
... Two Dimensional Photonic Crystals (2DPCs) have ac- quired worldwide fascinating interest in the past two decades due to the existence of band gap and the capabil- ity to control the ...
8
Gas Sensing Using One-Dimensional Photonic Crystal Nanoresonators
... the structure ( J = ...initial structure (replacing the high index layers by the silicon ( H = Si) and the low index layers by the air ( L = air)), where we are able to determine the best width needed to ...
13
Mode structure of coupled L3 photonic crystal cavities
... We have performed numerical simulations of coupled L3 PhC cavities in four different geome- tries, and have found that the 30 ◦ geometry shows the smoothest variation in the energy splitting of the fundamental mode with ...
6