Slot Waveguide Comsol

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Simulation

The model analyses the mode propagation within a nano slot waveguide. In a slot waveguide configuration, two high refractive index slabs (~3.48) are placed adjacent to the low refractive index slot (~1.44). Mode analysis was performed on a 2D cross section of a slot waveguide for an operating wavelength of 1.55[um]. Further analysis was carried out to optimize the width of the slot to deliver maximum optical power and optical intensity through the slot area.

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Waveguide

Silicon Slot Waveguide

This model example illustrates applications of this type that would nominally be built using the following products:

however, additional products may be required to completely define and model it. Furthermore, this example may also be defined and modeled using components from the following product combinations:

  • COMSOL Multiphysics®und

The combination of COMSOL® products required to model your application depends on several factors and may include boundary conditions, material properties, physics interfaces, and part libraries. Particular functionality may be common to several products. To determine the right combination of products for your modeling needs, review the Spezifikationstabelle and make use of a free evaluation license. The COMSOL Sales and Support teams are available for answering any questions you may have regarding this.

In this archived webinar, learn how to use the beam envelope method in COMSOL Multiphysics® to solve nonlinear optics problems. We go over the benefits of this method and advanced examples.

Learn more about the specialized features for waveguide simulation in the Wave Optics Module here.

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Comsol Waveguide Simulation

SimulationSlotComsol waveguide simulation
Introduction (0:00) Outline (2:38) Optical Waveguides (3:22) Special Waveguides (4:34) Properties of Waveguides (5:31) GUI (8:20) Theory (11:04) Wave Optics Module (11:19) Beam Envelopes Interface (12:20) Modeling (14:13) Model Settings (14:23) Demo (15:41) Settings for k1 (24:17) Propagation Constants (24:41) Number of Waves (26:40) Phase Function (27:20) FAQ (29:31) Advanced Examples (31:21) Directional Coupler - One Mesh Simulation (31:34) Ring Resonator - Field Continuity (33:56) Tapered Waveguide - Single Port Simulation (35:00) Tapered Waveguide - Mode Conversion (37:02) Waverguides Under Stress - Multiphysics Simulation (37:39) Curved Waveguide - Multiphysics Simulation (38:26) Bonus Topics (39:19) Out Coupling (39:37) In/Out Coupling (41:43) Summary (42:36) Q&A (43:29) Contact Us (52:53)