Photonics

Photonics

How to calculate S-parameter?

    • Guanhui Wang
      Ansys Employee
      I want to know how to calculate S-parameter.nI mean to say, I would like to find out whether S-parameter is calculated in Voltage[V] or Power[W].nI would like to appreciate it if you let me know as soon as possible.nThanks.n
    • Guanhui Wang
      Ansys Employee
      The S-parameter measures the ?transmission? and ?reflection? percentage, so it doesn?t come with a unit itself. The actually output unit depends on the input as well as the definition of the S-parameter. If the S-parameter defines the complex transmission, then the output could be complex transmission as well, the unit would be in ?amplitude? unit (like V). If the S-parameter defines the power transmission, then the output unit would be a power unit (like W).nYou may also find the following pages very helpful:nhttps://kb.lumerical.com/en/index.html?metamaterials_s_parameters.html 211nhttps://kb.lumerical.com/en/index.html?pic_passive_getting_started_ring_resonator_mode2.html 144n
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