df_to_sdict#

df_to_sdict(df: pandas.core.frame.DataFrame) → Tuple[jax.Array, Dict[Tuple[str, str], jaxtyping.Complex[Array, '...']]][source]#

Create an s-dictionary from a dataframe of s-parameters.

Parameters

df (pandas.DataFrame) – A dataframe of s-parameters. Usually the output of load_sparams. Expected columns are ‘port_in’, ‘port_out’, ‘mode_in’, ‘mode_out’, ‘freq’ (in Hz), ‘mag’, and ‘phase’.

Returns

  • f (numpy.ndarray) – Array of frequencies (in Hz).

  • sdict (sax.SDict) – Dictionary of scattering parameters.

See also

load_sparams

Load s-parameters from a Lumerical .sparam file.