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Optics & Photonics

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COMSOL simulates processors for fiber optics communicationCOMSOL simulates processors for fiber optics communication

Enablence Technologies Inc., Ottawa, ON, Canada
Required for simulating optical systems is the capacity to handle arbitrary geometries, individual and coupled processes, user-defined governing equations,...

Modeling Metamaterials Leads to Major BreakthroughModeling Metamaterials Leads to Major Breakthrough

Duke University, Durham, NC
In their efforts to use metamaterials to construct the world´s first working prototype of an invisibility cloak, researchers relied on modeling to lead them...

Example Models

Photonic CrystalPhotonic Crystal

Photonic crystal devices are periodic structures of alternating layers of materials with different refractive indices. Waveguides that are confined inside of a photonic crystal can have very sharp low-loss bends, which may enable an...

Photonic Micro PrismPhotonic Micro Prism

To reduce radiative losses in photonic waveguide bends, a microprism can be used. If a microprism is placed between two waveguides forming a sharp bend, light will be guided between the waveguides, through the prism. This model...

Step Index FiberStep Index Fiber

The transmission speed of optical waveguides is superior to microwave waveguides, because optical devices have a much higher operating frequency than microwaves, enabling a far higher bandwidth. One of the winning devices has been the...

Stress-Optical Effects in WaveguideStress-Optical Effects in Waveguide

Planar photonic waveguides in silica (SiO2) have a great potential for use in wavelength routing applications. The major problem with these kinds of waveguides is birefringence. Anisotropic refractive indices result in fundamental mode...

Band Gap Analysis of a Photonic CrystalBand Gap Analysis of a Photonic Crystal

This model investigates the wave propagation in a photonic crystal that consists of GaAs pillars placed equidistant from each other. The distance between the pillars determines a relationship between the wave number and the frequency...

Second Harmonic Generation of a Gaussian BeamSecond Harmonic Generation of a Gaussian Beam

Laser systems are an important application area in modern electronics. With nonlinear materials it is possible to generate harmonics that are an even multiple of the frequency of the laser light. This model shows how a second harmonic...