device-config.jsonc

{
    // The location of the python binary
    "python_bin": "~/anaconda/pameep/bin/python",
    // Directory where the code is located
    "code_dir": "/users/jlizaraz/CEM/wavesight/",
    // Whether to use parallel MEEP
    "parallel_MEEP": true,
    // depth of emitter in crystal host
    "emDepth": 25,
    // these two following parameters determine the size of the box where Eh5 is calculated
    // uncertainty in depth
    "emDepth_Δz": 1.6,
    // transverse uncertainty in position
    "emDepth_Δxy": 1.5, 
    // if zmin is not provided here, then it is calculated from emDepth and emDepth_Δz
    // if zmin is provided here, then zmax also need to be provided
    // and these two together then determine the axial range of the box where Eh5 is calculated
    // both zmin and zmax assume a coordinate system where the origin is at
    // the base of the pillars that create the metasurface
    "zmin": 24,
    "zmax": 32,
    // similarly xymin and xymax determine the transverse range of the box where Eh5 is calculated
    // if provided they override the values that are calculated from emDepth_Δxy
    "xymin": -3.0,
    "xymax":  3.0,
    // refractive index of crystal host
    "nHost": 2.41,
    // free-space wavelength of monochromatic field
    "λFree": 0.532,
    // ref index space between waveguide and ML
    "nBetween": 1.0, 

    // waveguide parameters
    // the radius of the waveguide core
    "coreRadius": 2.0,
    // ref index of core
    "nCore": 1.4607, 
    // ref index of cladding
    "nCladding": 1.4573, 
    // number of pixels per um
    "MEEP_resolution": 20,

    // params for metasurface design
        // metalens aperture
        "mlDiameter": 8.0,
        // the height of the cylindrical posts for ML
        "post_height":0.8, 
        // lattice constant of hexagonal lattice
        "lattice_const": 0.25, 
        // number of basis vectors for RCWA
        "numG" : 70,
        // this is how many post widths are considered for the phase/geometry calculation
        "num_post_widths": 30,
        // the direction of the linear polarization of the incident field
        "linear_polarization_direction": 0.0,
        // the minimum diameter of ML cylindrical posts
        "MIN_FEATURE_SIZE": 0.05,

    // This controls if the launching simulations are automatically scheduled
    "autorun": true,

    // The amount of memory alloted for the requirement run
    "req_run_mem_in_GB": 64,

    // Whether to post the progress to Slack
    "send_to_slack": true,
    "slack_channel": "nvs_and_metalenses",
    "show_plot": false
}