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Photonics

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  3. Problem with simulation of directional coupler

Problem with simulation of directional coupler

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    • December 20, 2023 at 11:50 am
      mukundsingh
      Subscriber

      When simulating Directional coupler in EME solver for longer coupler lengths, Transmission exceeds 1, which should not happen. For longer coupling lengths the Transmission exceeds 1waveguide dimension (0.8um thick, 1um wide Silicon Nitride WG at 1550nm)

    • December 20, 2023 at 12:04 pm
      mukundsingh
      Subscriber

      This is a Silicon nitride waveguide with 0.8um thickness and 1um width, simulated at 1550nm. 

    • December 20, 2023 at 12:06 pm
      mukundsingh
      Subscriber

      Green curve = Abs(s31)^2  : Through

      Red Curve= Abs(s21)^2 : Cross

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