Basic Principles for Standard Photonic Crystals
Localization in photonic crystals
... In this chapter we will not consider the peculiar nature of highly correlated sys- tems such as NiO, where band structure theory breaks down; NiO is obviously an insulator, whereas the band structure predicts that the ...
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Photonic crystals in planar waveguides
... 3.4.1 Photoresist Spinning For a grating of reasonable strength we need only etch about 20nm into the surface of the waveguide. To achieve this it is essential that the photoresist mask is fully developed, leaving the ...
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2D Highly sensitive plasmonic "label-free" nanobiosensors based on Photonic Crystals and Photonic Quasi-Crystals
... a standard Scanning Electron Microscope (SEM) column and accelerated to tens of keV, can efficiently expose specialized electron beam resist, with a great advantage over light: they don’t suffer from optical thin-film ...
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Stochastic Modeling of 2D Photonic Crystals
... 8 clearly by increasing these uncertainties as shown in Figure 4-b. The probability distribution function (PDF) of the normalized band gap for different tolerances are plotted in Figure 5(a) while the PDF of the ...
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Photonic crystals as functional mirrors for semiconductor lasers
... 3.7 Photonic Crystal Defects The true meaning of a band-gap is that the wave-vector in such a region is complex and that the field decays ...two crystals close together, we arrive at a similar situation to ...
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Two-dimensional Photonic Crystals Fabricated by Nanoimprint Lithography
... 2-D photonic crystal patterns are designed for the enhancement of light extraction in light-emitting ...The basic idea is to put the photonic crystals around the electrode, which can ...
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Tunable photonic structures based on silicon and liquid crystals
... tunable photonic devices based on grooved silicon, serving as one-dimensional (1D) photonic ...these photonic structures are as follows: the large refractive index contrast, in-plane moulding of the ...
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Doubly-Periodic Photonic Crystals: Spectral Problems Analysis
... the standard approach to the solution of spectral problems for the 2-D photonic ...the standard computational schemes are not correct enough and should be ...
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Sculpturing of photonic crystals by ion beam lithography: towards complete photonic bandgap at visible wavelengths
... complete photonic bandgap (PBG) at visible wavelengths (namely, a period of 250 nm with 70-nm-wide titania rods) using layer-by-layer fabrication with electron beam lithography (EBL), deposition, and plasma ...
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Tunable Photonic Crystals Based on Electrochemically Etched Porous Silicon
... n 1 20 51 n 2 120 21 Normal incidence reflectance spectroscopy was done to obtain the reflectance of all the samples from 400nm to 1100nm. A 100W tungsten halogen lamp was used as the light source of a SPEX 100M single ...
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Colloidal crystals as photonic crystals
... developed techniques to modify the face centred cubic lattice topology. A non-close packed FCC colloidal crystal can be attained combining colloidal self-assembly, thermal sintering and etching techniques. It results in ...
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Slow light in photonic crystals
... In next-generation information networks, path switching of optical packets at network nodes will become very important and solutions that can perform the task with a high data rate, high throughput, and low power ...
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Electromagnetic wave chaos in photonic crystals
... 1.5 The Kronig-Penney model The Kronig-Penney model describes the effect that the potential created by a lattice of atoms has on an electron by considering the potential to be an array of square potential wells. Although ...
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Chaotic behaviour of photonic crystals resonators
... Keywords: Chaotic resonators, Photonic Crystals, Optical resonators 1. INTRODUCTION The efficiency of an optical resonator, also known as quality factor (Q), is determined by the ratio of the stored ...
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Polymer and metallodielectric based photonic crystals
... possess photonic stop- bands which arise by virtue of their dielectric ...formed, photonic crystals can control the propagation of rele- vant ...the photonic stop-band ...
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Design of 1D composite photonic crystals with an extended photonic band gap
... 1D PC for f = 0.226 was ⌬共 A / 兲 = 0.44− 0.2= 0.24, the width of the EPBG is ⌬共 A / 兲 = 0.73− 0.16= 0.57, i.e., a factor of 2 wider. Now, let us design a composite photonic crystal 共 CPC 兲 based on PC1 and PC2 ...
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Liquid crystals in woodpile photonic crystals : fabrication, numerical calculation and measurement
... liquid crystals are generally further distinguished with respect to the molecular shape of the constituent molecules, being called calamitic for rod- like, discotic for disk-like, and sanidic for brick- or ...
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Structural characterization of thin film photonic crystals
... of photonic crystals composed of a wide variety of materials and possessing interesting struc- tural ...the photonic prop- ...of photonic crystals which can, in principle, be applied to ...
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Nanophotonic Devices Based on Planar Photonic Crystals
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Topological photonic crystals: physics, designs and applications
... in photonic systems, sometimes we will advisedly increase the loss to actively control the optical ...the photonic bandgap ...the photonic bandgap and the topological edge ...
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