Optical

Optical Device Simulation Plasmonics and Nanophotonics

Optical Device Simulation Plasmonics and Nanophotonics Document type
Optical devices are already key components in many areas, such as communications, remote sensing, or medical applications, and their role will only increase in the future. Simulating such devices helps in optimizing their efficiency and in reducing cost of design and development. With its powerful solvers and user-friendly interface, CST® STUDIO SUITE® offers a unique platform for handling such challenges. Read full article..

Modeling and Simulation of Metamaterial-Based Devices for Industrial Applications

Modeling and Simulation of Metamaterial-Based Devices for Industrial Applications Document type
Metamaterials o er great potential for the development of new technologies and to make existing devices smaller, faster and more efficient. Metamaterials produce electromagnetic phenomena that are not seen in natural materials, and come in a wide variety of types. When developing a new metamaterial, simulation can be used both to analyze both the bulk property of the material and individual element. This article will show how CST STUDIO SUITE can be used to simulate and design metamaterials through the entire workfl ow, from the design of the resonator to the implementation in a full device. Read full article..

Efficient and Accurate Simulation of Optical Devices using CST STUDIO SUITE

Efficient and Accurate Simulation of Optical Devices using CST STUDIO SUITE
This webinar will demonstrate how CST STUDIO SUITE has been used to analyze a number of essential optical devices, such as silicon-on-insulator (SOI) waveguides, photonic crystals (PC), plasmonic nanoantennas, and optical gratings. Read full article..

Modeling Metamaterials - Metamaterial Development using Electromagnetic Simulation

Modeling Metamaterials - Metamaterial Development using Electromagnetic Simulation
Metamaterials are a subject of great interest for both academia and industry, offering the ability to produce electromagnetic phenomena that are not seen in natural materials. These offer potential for new technologies and for existing devices to be made smaller, faster and more efficient. When developing a new metamaterial, simulations can be used both to analyze the bulk effects of the material and to design the individual unit cell. Read full article..

Non-Linear Simulation of a Photonic Amplifier

Non-Linear Simulation of a Photonic Amplifier
This article demonstrates the modeling of a third-order non-linear silicon-on-insulator waveguide at optical frequencies, using time-domain simulation in CST MICROWAVE STUDIO®. The non-linearity gives rise to degenerate four-wave mixing, allowing the waveguide to be used as a photonic amplifier. Read full article..

Plasmonic Nano Antennas Simulation with CST MICROWAVE STUDIO®

Plasmonic Nano Antennas Simulation with CST MICROWAVE STUDIO®
This paper is based on: "Comparison of electromagnetic field solvers for the 3D analysis of plasmonic nano antennas" by Johannes Hoffmann, Christian Hafner, Patrick Leidenberger, Jan Hesselbarth, Sven Burger, Proc. SPIE Vol. 7390, pp. 73900J-73900J-11. The Field Distribution inside a 1 nm wide gap between two 80 nm diameter Gold spheres is calculated and compared to a semi analytical reference solution published in the paper. Both general purpose solvers of CST MICROWAVE STUDIO® are used. The simulation results agree closely with the reference solution. Read full article..

Investigating the Principles of a Dielectric Laser Accelerator

Investigating the Principles of a Dielectric Laser Accelerator
This article presents a principle investigation on dielectric laser accelerators via simulation. Read full article..

Nanophotonics and integrated optics - Photonic Crystal Cavities

Nanophotonics and integrated optics - Photonic Crystal Cavities Document type
This whitepaper gives a general overview on different concepts of photonic crystal cavities. Important figures such as the transmission, the mode volume and the quality factor are discussed. The presented information will help the reader to decide which type of photonic crystal cavities will be most suited for the application in view. A design example for a WDM channel filter is given in order to illustrate the design process for a photonic crystal cavity. Furthermore two experimental examples from recent research are shown to demonstrate the wide range of applications in which photonic crystal cavities could be used. Read full article..

Simulation of Photonic Crystal Cavities

Simulation of Photonic Crystal Cavities
This article demonstrates how properties of the resonant modes of photonic crystal (PhC) point defect cavities are obtained from transient solver simulations using CST MICROWAVE STUDIO®. In this example a single point defect in a triangular lattice of air holes in a high refractive index slab is used. Properties of particular interest are: the resonance frequency, intrinsic Q factor and field distribution of the resonant modes. The cavity is excited using discrete ports, and the spectral features are recorded with point probes. The Q factor is determined from the energy decay rate and using auto regressive filtering. 2D and 3D field monitors record the field distributions. Read full article..

Investigation of Backward Wave Propagation on LHM Split Ring Resonators (SRRs)

Investigation of Backward Wave Propagation on LHM Split Ring Resonators (SRRs)
This article demonstrates that a dense array of Split Ring Resonator (SRR) can be considered as a gyrotropic bianisotropic media with magneto-electric coupling effects. The simulation of such SRRs with CST MICROWAVE STUDIO® demonstrates the propagation of a backward wave component in a certain frequency range where the structure behaves as a medium with a negative refractive index. Read full article..

Characterization of Photonic Structures with CST MICROWAVE STUDIO

Characterization of Photonic Structures with CST MICROWAVE STUDIO Document type
Stefan Prorok, Hamburg University of Technology We present an overview of our current research activities in silicon photonics and thermal barrier coatings. Doing so, we will comment on how CST Microwave Studio can be used to design strip waveguides, micro ring resonators, as well as 2-D and 3-D photonic crystal structures. Particularly we will concentrate on the discussion of photonic crystal micro cavities which can be used as electro-optic modulators. It will be shown that MWS provides all the functionality to optimize and characterize optical micro cavities. The appearance of resonant modes is adjusted through eigenmode calculation of the photonic crystal waveguide modes. Time domain simulation with discrete port excitation is applied to calculate the intrinsic Q-factor of the cavity. Waveguide ports are used to model experimental conditions of excitation with strip waveguide modes. Field monitors help to understand the mechanism of energy loss from the cavity. The simulation results are compared to measurements on fabricated structures. As possible application we will show a hybrid silicon organic hetero structure cavity for GHz electro-optic modulation. Read full article..

Modeling Double Negative Materials with CST DESIGN STUDIO™

Modeling Double Negative Materials with CST DESIGN STUDIO™
This paper describes how Double Negative Materials (DNG) material can be simulated in CST MICROWAVE STUDIO® (CST MWS) by using dispersive materials. Read full article..

Photonic Crystal Simulation

Photonic Crystal Simulation
The paper demonstrates the possibilitiy to model photonic cyrystals using CST MICROWAVE STUDIO®. A one dimensional periodic band-gap structure is simulated using the Transient Solver. Read full article..

Electromagnetic Field Simulation of Nanometric Optical Tweezers.

Electromagnetic Field Simulation of Nanometric Optical Tweezers.
This paper shows how the frequency domain solver of CST MICROWAVE STUDIO® (CST MWS) can be used to calculate the near field distribution of metallic and dielectric objects at optical frequencies. This web paper is based on the publication “Theory of Nanometric Optical Tweezers” by Lukas Novotny, Randy X. Bian, and X. Sunney Xie, Physical Review Letters, Volume 79, No. 4, 28 July 1997. Read full article..

Optical Ring-Coupler Simulation using CST MICROWAVE STUDIO®

Optical Ring-Coupler Simulation using CST MICROWAVE STUDIO®
CST MICROWAVE STUDIO® can be succesfully applied to optical problems as shown in this example of an optical ring coupler solved up to 250 THz. Read full article..

Dichroic Filter

Dichroic Filter
The dichroic filter is an example for setting up simulations of frequency selective surfaces. The simulation is performed with CST MICROWAVE STUDIO® and compared to measurements. Read full article..

Plane Wave Interactions with a Dielectric Half-Space at 60 THz

Plane Wave Interactions with a Dielectric Half-Space at 60 THz
In this article, CST MICROWAVE STUDIO® is used to illuminate an infinite dielectric half-space with a uniform plane wave and the reflection and transmission quantities are obtained. This problem has an analytical solution which serves to validate the simulation. The same procedure is then applied to a more generalized geometry which lacks a known analytical solution. Read full article..

Light Trapping in Thin-Film Silicon Solar Cells with periodic Nano-Structures

Light Trapping in Thin-Film Silicon Solar Cells with periodic Nano-Structures
This article summarises the simulation study conducted with CST MICROWAVE STUDIO® (CST MWS) of thin-film silicon solar cells with nano-structured interfaces. The good agreement between the experimental data and solar cell simulations shows the reliability and versatility of the performed FIT simulations to investigate nano-optics of thin-film solar cell devices in 3 dimensions. This article is presented with the courtesy and permission of Hasse, C. and Stiebig, H. , Forschungszentrum Juelich who gave a presentation of their work at the CST European User group Meeting at Boppard, Germany, 9-10th March 2006. Read full article..

Terahertz broadband metal-dielectric near-field antenna

Terahertz broadband metal-dielectric near-field antenna
The article presents an antenna-based approach to near-field imaging and spectroscopy, which can be used for both continuous-wave and pulsed broadband electromagnetic radiation from microwave to terahertz frequencies. CST MICROWAVE STUDIO® (CST MWS) was used to perform the simulations. Read full article..

Your session has expired. Redirecting you to the login page...