N2 metamaterials composed of artificial subwavelength structures exhibit extraordinary properties that cannot be found in nature. As in this code we see that there is some sudden frequency where it can only transmit signal, so that frequency where the both mue and epsilons are. Jeffrey brodie product design and development engineer. A powerful timedomain fdtdspice simulator is implemented and applied to the broadband analysis of metamaterials integrated with active and tunable circuit elements. Here, a class of materials, transferrable hyperbolic metamaterial particles thmmp. Lightmatter interaction lies at the heart of several fundamental phenomena and technological applications ranging from photosynthesis to lasers. This kind of hmm in pc possessing diraclike or semidirac cone exhibits hyperbolic dispersion around these special degeneracy points. My career has allowed me to lead nanomaterial development for novel applications. A powerful timedomain fdtd spice simulator is implemented and applied to the broadband analysis of metamaterials integrated with active and tunable circuit elements.
Oxford, uk, september 4, 2008 vector fields, a part of cobham plc, has released practical design tools to help rf designers exploit the properties of metamaterials, as part of its work for. Manipulating light polarizations with a hyperbolic. Metamaterials and fdtd based numerical modeling studies. Lumericals tools enable the design of photonic components, circuits, and systems. Electromagnetic metamaterials are artificially engineered materials that are designed to interact and control. Negative refraction from a bulk metamaterial simulated in fdtd. Fdtdspice for characterizing metamaterials integrated.
You get indepth coverage of stateoftheart fdtd modeling techniques and applications for electromagnetic. Hyperbolic metamaterials enable nanoscale fingerprinting. One of their special abilities is supporting the propagation of a very narrow light beam. The futures of transformations and metamaterials sciencedirect. Nonlinear processes are at the core of many optical technologies whose further development require optimized materials suitable for nanoscale integration.
Using the finite difference time domain fdtd simulation technique, the absorber was found to exhibit high absorption in the visible and. May 16, 2017 lightmatter interaction lies at the heart of several fundamental phenomena and technological applications ranging from photosynthesis to lasers. Gmes is a free finitedifference timedomain fdtd simulation python package developed at gist to model photonic devices. The commercially available lumerical fdtd software was used for this. Optiwave has been successfully developing fdtd software for over a decade, and would like to show appreciation to the photonics community by distributing its 32bit fdtd product as freeware. Remcoms xfdtd software performs em simulations of devices containing metamaterials with unusual or frequency dependent properties. Design of hyperbolic metamaterialbased absorber comprised of ti. Broadband acoustic hyperbolic metamaterial chen shen,1 yangbo xie,2 ni sui,1 wenqi wang,2 steven a. Optical absorption of hyperbolic metamaterial with. On this page, we show how to set up bulk electric and magnetic properties to have a negative index medium over a range of wavelengths. Plasmonics, engineered photonic materials and metamaterials. Hyperbolic metamaterials can support unique bulk modes, tunable surface plasmon polaritons, and surface hyperbolic states dyakonov plasmons that can be used for a variety of applications.
Metamaterials, metadevices, and metasystems 2016, conference. They are fabricated by the sequential deposition of tio 2 and ag layers. Enter your mobile number or email address below and well send you a link to download the free kindle app. A graphenebased hyperbolic metamaterial has also been proposed for perfect absorption at terahertz frequencies 25. We use lumericals fdtd to solve maxwells equations for light transmission through arrays of subwavelength openings of various shapes.
Summary a method is described for applying fdtd simulation to electromagnetic metamaterial slabs with o. Current approaches to control this interaction such as optical cavities, photonic crystals, and metamaterials either rely on frequency resonance mechanisms which limit the bandwidth or suffer from poor lightcoupling. Finitedifference timedomain simulations of metamaterials. This repo will contain the scripts in matlab using fdtd to calculate the electric field generated by the metamaterial lens done during my phd saulwiggin fdtd simulationsofa metamaterial lens. Fdtd finitedifference timedomain if playback doesnt begin shortly, try.
May 18, 2016 a graphenebased hyperbolic metamaterial has also been proposed for perfect absorption at terahertz frequencies 25. Numerical fdtd simulation 33,34 has also been applied to. The idea was to simulate a lens based on transformation optics which would have the same ray propagation characteristics as a cooke triplet and therefore in theory the same improved. Includes frequency selective surfaces, ferrite materials and more. Large spontaneous emission rate enhancement in grating. How to simulate layered hyperbolic metamaterials lumerical. Schurign,y department of ece, duke university, box 90291, durham, nc 27708, u. As in this code we see that there is some sudden frequency where it can only transmit signal, so that frequency where the both mue and epsilons. Here, we demonstrate the large spontaneous emission rate enhancement of an organic dye placed in a grating coupled hyperbolic metamaterial gchmm. It is also possible to find the relation between material a b c fig. Hyperbolic metamaterial devices for wavefront manipulation. A twodimensional structure, based on, was simulated using the 2d fetd engine and the complex coefficients of reflection and transmission r and t were measured. Cummer,2 and yun jing1, 1department of mechanical and aerospace engineering, north carolina state university, raleigh, north carolina 27695, usa. Although hmms are designed by interlocking low loss dielectric materials and highly reflective noble metals, the strong absorption of light is realized via the indefinite dispersion of such metastructures.
As in this code we see that there is some sudden frequency where it can only transmit signal, so that frequency where the both mue and epsilons are negative. Developed by active researchers and authors of a number of fdtd methodologies. First, the fdtd spice modeling theory is studied and details of interprocess communication and hybridization of the two techniques are discussed. Metamaterials are nanoengineered media with designed properties beyond those available in nature with applications in all aspects of materials science. Modeling of metamaterial structures using an extended. Although hmms are designed by interlocking low loss dielectric materials and.
The extended fdtd method was successfully employed for the modeling of metamaterial structures that have been recently presented in the literature. Lumericals tools have been designed to tackle the most challenging photonic design problems across fields including integrated optics, metamaterials, cmos imaging, and more. Angora is a free, opensource software package that computes numerical solutions to electromagnetic radiation and scattering problems. Here we demonstrate the emergence of a strong bulk secondorder nonlinear response in a plasmonic nanorod composite comprised of centrosymmetric materials. Yee, born 1934 is a numerical analysis technique used for modeling computational electrodynamics finding approximate solutions to the associated system of differential equations. Osa structural secondorder nonlinearity in plasmonic.
Scattered field, transmitted field, diffracted field are all exist, which demand more advanced simulation tools for highly accurate results. To verify the model, some simple cases are simulated with results in both time. Author links open overlay panel subir majumder a shyamal kumar bhadra a b. A twodimensional 2d silver diffraction grating coupled with an agal 2 o 3 hmm shows 18fold spontaneous emission decay rate enhancement of dye molecules with respect to the same hmm without grating. Issues of incommensurate spatial periods and interpolation of irregularly spaced data are discussed. Electromagnetic metamaterial simulations using a gpu. Fdtd simulation software with omnisim part of our stateoftheart fdtd and fetd timedomain toolkit. Metamaterial 1d simulation using fdtd method file exchange. Github saulwigginfdtdsimulationsofametamateriallens. Concurrent computing with lumerical fdtd solutions. Numerous materials exist that have unusual or frequency dependent properties. While all the above media have specific domains of application, hyperbolic metamaterials are a multifunctional platform to realize waveguiding, imaging, sensing, quantum and thermal engineering beyond conventional devices 18.
To verify the model, some simple cases are simulated with. Modeling of metamaterial structures using an extended finite. Numerical solutions to maxwells equations in 3d, 2d, or 1d. And now, modeling their unique characteristics and behaviors in electromagnetic systems just got easier. This practical resource comes complete with sample fdtd scripts to help you pave the way to new metamaterial applications and advances in antenna, microwave, and optics engineering. Integrations with popular eda and optical design tools, python, and other. Optical grating simulations using optifdtd optiwave. Indium tin oxide nanowires as hyperbolic metamaterials for nearfield radiative heat transfer juiyung chang, soumyadipta basu,a and liping wangb school for engineering of matter, transport, and energy, arizona state university, tempe, arizona 85287. Optical simulation and optimization of light extraction. This means that additional featuresmodifications are easy to implement, making it suitable for. Current approaches to control this interaction such as optical cavities, photonic crystals, and metamaterials either rely on frequency resonance mechanisms which limit the bandwidth or suffer from poor lightcoupling issues. Lumericals device suite of componentlevel simulation products use multiphysicsstyle simulation workflows to model optical, electrical and thermal effects at the physical level. The unit cell of twodimensional metamaterial tl structure a.
In particular, metamaterials have shown promise for next generation optical materials with electromagnetic responses that cannot be obtained from conventional media. Mar, 2012 metamaterial is a double negative material where the effective permeability and permittivity are negative. Enhancement of spontaneous emission induced by alldielectric. Negative refraction from a bulk metamaterial simulated in fdtd lumerical inc. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Reinert ohio aerospace institute brook park, ohio 445 jeffrey d. Using remcoms xfdtd software, simulations of devices containing these special materials may be performed. Enhanced spontaneous emission inside hyperbolic metamaterials. One can consider the hyperbolic metamaterial as a polaritonic crystal where the coupled states of light and matter give rise to a larger bulk density of electromagnetic states 21, 22. A hyperbolic metamaterial with a simultaneous type itype. Optical grating simulations using optifdtd optical gratings are basically periodic layouts that may contain chirp or apodization. Shalaev,1 and evgenii narimanov1, 1school of electrical and computer engineering and bi rck nanotechnology center, purdue university, west lafayette, indiana 47907, usa.
Manipulating electromagnetic em waves with controllable amplitude, phase, and polarization is always the theme in photonics research. Metamaterial is a double negative material where the effective permeability and permittivity are negative. We have used mpb software for all pwe calculations and meep for fdtd calculations. Manipulating light polarizations with a hyperbolic metamaterial waveguide hua zhu,1 xiang yin,1 lin chen,1,zhongshu zhu,1 and xun li2 1wuhan national laboratory for optoelectronics, huazhong university of science and technology, wuhan 430074, china 2department of electrical and computer engineering, mcmaster university, 1280 main street. Our primary focus is on the basic physics of the light transmission and what parameters are critical to light transmission optimization and suppression, but we also have interest in studying radiation pressure and electromagnetic momentum transfer in metamaterials and bowtie antennas. In particular, a twodimensional 2d mtm fdtd algorithm is developed for this purpose and the. Since it is a timedomain method, fdtd solutions can cover a wide. Efficient and accurate dispersive mtm fdtd algorithms have been developed and used to investigate electromagnetic wave interaction with mtms. Twodimensional simulation of lefthanded metamaterial. Optical absorption of hyperbolic metamaterial with stochastic surfaces jingjing liu,1 gururaj v.
What thoughtprovoking systems might we make with hyperbolic systems. First, the fdtdspice modeling theory is studied and details of interprocess communication and hybridization of the two techniques are discussed. Together with our partners we offer a complete solution. T1 electromagnetic metamaterial simulations using a gpuaccelerated fdtd method. Hyperbolic metamaterials are artificially made structures that can be formed by depositing alternating thin layers of a conductor such as silver or graphene onto a substrate. A hyperbolic metamaterial with a simultaneous type itype ii behaviour in the visible range. With photonic crystal structures, a maximum of 30% extraction efficiency is achieved. In this paper, we present grating coupledhyperbolic metamaterials. Come view the posters, enjoy light refreshments, ask questions, and network with colleagues in your field. I attahed my fdtd file to check with you some stuff. Enhancement of spontaneous emission induced by alldielectric hyperbolic metamaterial at quasidirac points. Fdtd includes a magnetic and electric lorentz medium.
Fdtdsimulationsofametamateriallens this repo contains the matlab scripts for finite difference time domain simulations for a metamaterial cooke triplet. Hyperbolic metamaterial nanostructures to tune chargetransfer dynamics conference presentation paper 99184 authors. At mesh time the software will base the target mesh size for this material on the background material which defaults. This figure is generated using a timedomain fdtd simulation 29 run until it.
This onestop resource gives engineers powerful finitedifference timedomain fdtd techniques for modeling metamaterials, complete with applications and timesaving sample fdtd scripts. Sign up no description, website, or topics provided. Metamaterials include such items as negative index materials, electronic band gap structures and frequency selective surfaces. Metamaterials and plasmonics remain two of the most active areas of academic research in photonics, owing to the interesting optical effects that can be generated in these materials. Hyperbolic metamaterial devices for wavefront manipulation yin. Some of the applications of hyperbolic metamaterials include negative refraction 23, 24, subdiffraction imaging 3, 25, sub. Bulk metamaterials based on magnetic and electric lorentz. Finitedifference timedomain or yees method named after the chinese american applied mathematician kane s. Cummer,2 and yun jing1, 1department of mechanical and aerospace engineering, north carolina state university, raleigh, north carolina 27695, usa 2department of electrical and computer engineering, duke university, durham, north carolina 27708, usa received 28. Naik,1,2 satoshi ishii,1,3 clayton devault,4 alexandra boltasseva,1,5 vladimir m. Despite its simplicity, this approach provides an accurate and e. The omnisim and crystalwave frameworks includes a highly efficient fdtd finite difference time domain engine to simulate the propagation of light through your designs.
Nearperfect broadband absorption from hyperbolic metamaterial. Hmms, showing, once again, the predicted pe far exceeding the observed values. Hyperbolic metamaterials can enhance spontaneous emission. We develop an effectivemedium description of the underlying physics, compare its. Fabryperot resonance cavity and hyperbolic metamaterials were numerically simulated and theoretically investigated. From these, the complex effective refractive index of the metamaterial layer was retrieved using the formula. Optical absorption of hyperbolic metamaterial with stochastic. Its features include simulation in 1d, 2d, and 3d cartesian coordinates, distributed memory parallelism on any system supporting the mpi standard, portable to any unixlike system, variuos dispersive. Hyperbolic metamaterials can support unique bulk modes, tunable surface plasmon polaritons, and surface hyperbolic states dyakonov plasmons that can be. The hyperbolic metastructures comprise a 12 alternating layers of silver ag and titanium dioxide tio 2 thin films and b 16 alternating layers of gold au and aluminum dioxide al 2 o 3 thin films. A multiband perfect absorber based on hyperbolic metamaterials. Pwe calculations are made within the first brillouin zone only. As the leading photonic simulator deployed for these applications, fdtd offers all the capabilities you need to get accurate answers quickly and easily in these.
So if we hit any gaussian wave on the surface of dng material then some part is reflected and some are transmitted. Special materials include frequency dependent models, anisotropic and ferrite materials, and computational extensions to the fdtd method such as subcellular thin wires and timedependent switches. Highperformance photonic simulation software lumerical. Manipulating light polarizations with a hyperbolic metamaterial waveguide hua zhu,1 xiang yin,1 lin chen,1,zhongshu zhu,1 and xun li2 1wuhan national laboratory for optoelectronics, huazhong university of science and technology, wuhan 430074, china. Finitedifference timedomain simulations of metamaterials a dissertation presented by zhengwei hao to the electrical and computer engineering department in partial fulfillment of the requirements for the degree of doctor of philosophy in the field of electrical engineering northeastern university boston, massachusetts december, 2012. Indium tin oxide nanowires as hyperbolic metamaterials for. Shalaev,1 and evgenii narimanov1, 1school of electrical and computer engineering and bi rck nanotechnology center, purdue university, west lafayette, indiana 47907, usa 2department of materials. Fdtd simulation software with omnisim part of our stateoftheart fdtd and fetd timedomain toolkit the omnisim and crystalwave frameworks includes a highly efficient fdtd finite difference time domain engine to simulate the propagation of light through your designs. Applications of hyperbolic metamaterial substrates yu guo, ward newman, cristian l. Fdtdspice for characterizing metamaterials integrated with. Hyperbolic metamaterials realized with twodimensional. I am an engineer with 2 years of professional experience and a masters degree in chemical engineering.
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