Slot waveguide comsol
How can I approximate the Poynting Vector in a slot waveguide for a TE mode, in COMSOL? The design of an optical slot waveguide typically aims to achieve an intensity of a x-component of the E. Would you suggest Lumerical instead of COMSOL for design of Slot waveguide modulators? Does Lumerical allows for calculation of the field profile for both the optical and the RF electrical fields? Modal Characterization of the Plasmonic Slot Waveguide Using COMSOL Multiphysics F. Frezza1, P. Nocito2, and E. Stoja1 1 Dept. of Information Engineering, Electronics and Telecommunications Sapienza University of Rome, Rome, Italy 2 Communication Department, Istituto Superiore per le Comunicazioni Ministry of Economic Development, Rome, Italy COMSOL Conference Stuttgart .
How can I approximate the Poynting Vector in a slot waveguide for a TE mode, in COMSOL?
Classical Electrodynamics. Slot Waveguide Application ID: Parts of the solution can be excluded based on a user-defined expression. Log Out Log In Contact. Researchers have also discovered the advantages of slot waveguides for optical sensing.
Silicon-on-Insulator Slot Waveguides: Theory and Applications in Electro-Optics and Optical Sensing
Browse all of the Wave Optics Module updates below. Both of the interfaces Electromagnetic Waves, Frequency Domain and Electromagnetic Waves, Beam Envelopes now have physics-controlled meshing enabled by default. The physics-controlled meshing algorithm has been updated to handle general frequency-dependent material properties as well as the Drude-Lorentz, Debye, and Sellmeier dispersion models.
The physics-controlled meshing functionality can also be used for mode analyses. For the Electromagnetic Waves, Beam Envelopes interface, the default setting is to create a swept mesh in 3D and a mapped mesh in 2D, with the additional option of creating a tetrahedral or triangular mesh, respectively. A new Gaussian beam background field implementation is available, where the beam focal plane is approximated using a summation of plane waves that are propagating with wave vectors pointing in a distribution around the main propagation direction.
The advantage of this implementation as compared to the paraxial approximation implementation is that the plane-wave expansion implementation is a true solution to the Helmholtz equation, as each plane wave is a solution to the Helmholtz equation. As the name suggests, the paraxial approximation is only an approximate solution to the Helmholtz equation that should not be used to represent tightly focused Gaussian beams. New postprocessing variables have been introduced to simplify the evaluation of reflectance, transmittance, and absorptance expressions.
For instance, instead of writing abs ewfd. The variables named ewfd. Similarly, when periodic ports and diffraction order ports are used, there are new variables based on the mode number and the mode polarization. For instance, the variable ewfd. In addition, there are summation variables for the total reflectance, total transmittance, total reflectance and transmittance, and the absorptance.
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This model example illustrates applications of this type that would nominally be built using the following products:. Furthermore, this example may also be defined and modeled using components from the following product combinations:.
Particular functionality may be common to several products. To determine the right combination of products for your modeling needs, review the Specification Chart and make use of a free evaluation license.
You can fix this by pressing 'F12' on your keyboard, Selecting 'Document Mode' and choosing 'standards' or the latest version listed if standards is not an option. North America. Log Out Log In Contact.
OK Learn More. Quick Search. Slot Waveguide Application ID: Suggested Products Download the application files This model example illustrates applications of this type that would nominally be built using the following products: Wave Optics Module. Log Out.
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