Planar Waveguides
As photonics technology continues to evolve, planar waveguides are likely to remain a key component, driving innovations in optical communications, sensing, and
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Planar waveguides are optical waveguides with a planar geometry that confine light propagation to a single dimension. They are often fabricated in the form of a thin transparent film with increased refractive index on some substrate, or possibly embedded between two substrate layers. FIMMPROP is probably the most widely used propagation tool for the modelling of silicon photonics: rigorous (no slowly varying approximation), fully vectorial, offering wide angle capability and very high design flexibility.
