Grating-assisted optical coupling into long-range modes of strip plasmonic waveguides is analyzed by a 3D numerical simulation with COMSOL Multiphysics. We used the RF Module and its scattering formulation. A comparison with results... COMSOL Conference 2012, Milan G.G. Gentili1 , S. Pietralunga2 , M. Bolzoni1 1 Politecnico di Milano, Dipartimento di Elettronica e Informazione, Milano, Italy 2 INFN-CNR, Istituto di Fotonica e Nanotecnologie, Milano, Italy
Development of very high speed integrated circuits is currently of great interest for today\'s technologies. This paper presents the quasi-TEM approach for the accurate parameters extraction of multiconductor transmission lines... COMSOL Conference 2011, Boston S. Musa1 , M. Sadiku1 , and O. Momoh2 1 Roy G. Perry College of Engineering, Prairie View A&M University, Prairie View, TX 2 Indiana University-Purdue University
We demonstrate the accuracy of the Finite Element Method (FEM) to characterize an arbitrarily shaped crossed-grating in a multilayered stack illuminated by an arbitrarily polarized plane wave under oblique incidence. To our knowledge,... COMSOL Conference 2009, Milan G. Demésy1 , F. Zolla1 , A. Nicolet1 , and M. Commandré1 1 Institut Fresnel, Université Aix-Marseille III, École Centrale de Marseille, France
This paper presents a study on the propagation modes of electromagnetic waves through a step index fiber optics. To analyze the propagation of electromagnetic field, a simulation in Comsol 4.0 has been implemented using two different... COMSOL Conference 2011, Stuttgart I. Avram, and I. Gavril Tarnovan The Technical University of Cluj Napoca Cluj, Romania
‘Metamaterial’ is one of the most recent topic in several areas of science and technology due to its vast potential in various applications. These are artificially fabricated materials which exhibit negative permittivity and/or... COMSOL Conference 2011, Bangalore C. Rajni1 , and A. Marwaha2 1 Shaheed Bhagat Singh College of Engineering And Technology, Ferozepur, Punjab, India 2 Sant Longowal Institute of Engineering And Technology, Sangrur, Punjab, India
Negative Refractive Lens (NRL) has shown that an optical system can produce images with details below the classic Abbe diffraction limit. This optical system transmits the electromagnetic fields, emitted by an object plane, towards an... COMSOL Conference 2012, Milan D. Grabovi?ki?1 , J.C. González1 , P. Benítez1 , J.C. Miñano1 1 Cedint Universidad Politécnica de Madrid, Madrid, Spain
The performance of simplified cylindrical cloaks with various material parameters was investigated. The performance metric was the overall scattering width of the cloak with various objects in the hidden region. COMSOL was used to... COMSOL Conference 2008, Boston J. McGuirk and P. Collins Air Force Institute of Technology, WPAFB, OH, USA
Omnidirectional light propagation in two-dimensional (2D) photonic crystals (PCs) is investigated. An efficient approach to identifying a complete photonic band gap (PBG) in 2D PCs has been developed. The in-plane band structure of 2D... COMSOL Conference 2007, Taipei R. F. Jao1,2, and M.-C. Lin1 1NanoScience Simulation Laboratory, Department of Physics, Fu Jen Catholic University, Taipei County, Taiwan 2Department of Physics, National Cheng Kung University, Tainan, Taiwan
Distributed Feedback Fiber Laser (DFB-FL) sensors are increasingly used in aeronautical applications. One of the newest such applications consists in detecting the “transition” zone between laminar and turbulent air flow upon the... COMSOL Conference 2010, Paris I. Lancranjan1 , C. Gavrila2 , S. Miclos3 , and D. Savastru3 1 Advanced Study Centre - National Institute for Aerospace Research Elie Carafoli, Bucharest, Romania 2 Technical University of Civil Engineering Bucharest, Romania 3 National Institute R&D of Optoelectronics, INOE 2000, Bucharest, Romania
Laser anemometers based on application of Doppler Effect have been developed and are used in-flight, on aircrafts for measurement of air flow parameters, mainly its speed versus the airplane. The air speed measurements are vital for safe... COMSOL Conference 2009, Milan I. Lancranjan1 and C. Gavrila2 1 Advanced Study Centre, National Institute for Aerospace Research “Elie Carafoli”, Bucharest, Romania 2 Technical University of Civil Engineering Bucharest, Bucharest, Romania
Fiber optic sensors can measure a large range of physical, chemical and environmental variables such as temperature, pressure, shape, position, chemical concentration, moisture, etc. Fiber optic sensors provide measurements in... COMSOL Conference 2009, Milan C. Gavrila1 and I. Lancranjan2 1 Technical University of Civil Engineering Bucharest, Bucharest, Romania 2 Advanced Study Centre, National Institute for Aerospace Research “Elie Carafoli”, Bucharest, Romania
As interest in the electromagnetic spectrum expands towards the infrared and terahertz range, the distinct advantages of using semiconductors instead of metals for plasmonic applications must be understood. Plasmonic resonances in gold... COMSOL Conference 2012, Bangalore A. Shetty1 , K. J. Vinoy1 , S. B. Krupanidhi2 1 Electrical Communication Engineering, Indian Institute of Science, Bangalore, India 2 Materials Research Centre, Indian Institute of Science, Bangalore, India
Here we calculate opto-mechanically induced Surface Acoustic Waves upon a silica microresonator using COMSOL. Using conservation of momentum, we show both analytically and numerically that the photonphonon interaction within the resonator... COMSOL Conference 2011, Boston J. Zehnpfennig Photonics Research Center United States Military Academy West Point, NY
In thin-film solar cells (a-Si:H, µc-Si:H, CIGS, etc.) scattering of light is very important to increase absorption of light in the active layers of solar cells. Today the most efficient thin-film solar cells are designed or deposited on... COMSOL Conference 2012, Milan A. ?ampa1 , M. Topi?1 1 University of Ljubljana, Faculty of Electrical Engineering, Ljubljana, Slovenia
We present a Finite Element Method (FEM) to calculate the complex valued k(?) dispersion curves of a photonic crystal slab in presence of both dispersive and lossy materials. In particular the method can be exploited to study plasmonic... COMSOL Conference 2012, Milan G. Parisi1 , P. Zilio1 , F. Romanato1 1 University of Padova, Padova, Italy
Recently it has been proved theoretically (Miñano et al, 2011) that the super-resolution up to ? /500 can be achieved using an ideal metallic Spherical Geodesic Waveguide (SGW). This SGW is as a theoretical design, in which the... COMSOL Conference 2012, Milan H. Ahmadpanahi1 , D. Grabovi?ki?1 , J.C. González1 , P. Benítez1 , J.C. Miñano1 1 Cedint Universidad Politécnica de Madrid, Madrid, Spain
In order to provide swift and precise diagnostics, physicians and medical doctors require an adequate amount of information about the patient\'s condition. An integrated SPR (surface plasmon resonance) biosensing platform is currently... COMSOL Conference 2010, Boston D. Carrier, and J.J. Dubowski Université de Sherbrooke, Sherbrooke, QC, Canada
Recently, the concepts of fractal geometry have been introduced into electromagnetic and plasmonic metamaterials. With their self-similarity, structures based on fractal geometry should exhibit multi-band character with high Q factors due... COMSOL Conference 2011, Boston S. Ni, C. Yang Koh, S. Kooi, and E. Thomas Institute for Soldier Nanotechnologies Dept. of Materials Science and Eng. MIT Cambridge, MA
The subject of this work is the design of a LiNbO3 electro-optic tuned Bragg filter to be used as an amplitude modulator. We analyze in detail the realized waveguide and simulate the grating, developing a fabrication methodology for... COMSOL Conference 2006, Milan A. Secchi1 , V. Foglietti1 , E. Cianci1 , L. Pierno2 , and M. Dispenza2 1 CNR-IFN, Italy 2 SELEX-SI, Italy
Currently there is much interest in electromagnetic metamaterials [1-9]. In our work we have focused on design of tunable metamaterial which can be made within available technology. In proposed design we use metallic split-ring resonators... COMSOL Conference 2012, Milan K. Tarnowski1 , W. Salejda1 1 Institute of Physics, Wroclaw University of Technology, Wroclaw, Poland
