{
  "scope": "T139: finite quantum sensing instruments, inaccessible memory, approximate QEC.\n\nOwn finite models, NOT a rerun of an experimental data set or the PRX SDP code.\nUnits: hbar=1; omega is an angular-frequency parameter. QFI/FI refer to local\nestimation at omega0. All syndrome outcomes are kept. Control latency switches\nthe signal off while the specified probe/environment noise continues; ideal\ninstantaneous syndrome/recovery and a noiseless auxiliary are still assumptions.\nThe final readout is an explicitly constructed local SLD projective measurement\nwith symmetric binary readout flips. Intermediate syndromes are ideal.\n",
  "opening": [
    {
      "CQFI": 3.7305180834317895,
      "record_FI": 0.0,
      "record_ignored_QFI": 3.7173630511820432,
      "actual_local_readout_FI": 3.7305180834317935,
      "environment_exposed_QFI_bound": 3.7305180834317895,
      "mass": 0.9999999999999999,
      "branches": 32,
      "read_flip": 0.0,
      "signal": "X",
      "omega": 0.4,
      "gamma": 0.2,
      "delta": 0.2,
      "cycles": 5,
      "sensing_time": 1.0,
      "latency_per_cycle": 0.0,
      "control_time": 0.0,
      "preparation_readout_time": 0.1,
      "wall_time": 1.1,
      "nu": null,
      "initial_environment": null,
      "count_aggregation": false,
      "noisy_probes": 1,
      "noiseless_auxiliaries": 1,
      "ideal_syndrome_measurements": 5,
      "actual_FI_rate": 3.391380075847085
    },
    {
      "CQFI": 0.10209417240834132,
      "record_FI": 0.10209417240834132,
      "record_ignored_QFI": 8.632699189473033e-36,
      "actual_local_readout_FI": 0.10209417240834132,
      "environment_exposed_QFI_bound": 0.10209417240834132,
      "mass": 1.0,
      "branches": 32,
      "read_flip": 0.0,
      "signal": "Z",
      "omega": 0.4,
      "gamma": 0.2,
      "delta": 0.2,
      "cycles": 5,
      "sensing_time": 1.0,
      "latency_per_cycle": 0.0,
      "control_time": 0.0,
      "preparation_readout_time": 0.1,
      "wall_time": 1.1,
      "nu": null,
      "initial_environment": null,
      "count_aggregation": false,
      "noisy_probes": 1,
      "noiseless_auxiliaries": 1,
      "ideal_syndrome_measurements": 5,
      "actual_FI_rate": 0.092812884007583
    }
  ],
  "experiment_printed_parameter_recalculation": {
    "source": "2509.26042v1 SM IV B S30-S32, printed rounded A/B and times only",
    "rows": [
      {
        "label": "corrected_Fock14",
        "A_rounded": 0.296,
        "B_rounded": 0.516,
        "gap": 3,
        "cycles": 3,
        "sensing_us": 450.0,
        "wall_us": 464.2099999999999,
        "quadrature_FI_rate_kHz_inverse": 1.3773407732901441,
        "exact_phase_max_FI_rate_kHz_inverse": 1.378104826520263,
        "optimal_cos_phase": 0.0292364584513312,
        "max_vs_quadrature_relative": 0.0005547307136588575
      },
      {
        "label": "uncorrected_Fock14",
        "A_rounded": 0.246,
        "B_rounded": 0.482,
        "gap": 3,
        "cycles": 2,
        "sensing_us": 300.0,
        "wall_us": 306.08,
        "quadrature_FI_rate_kHz_inverse": 0.6414214547092234,
        "exact_phase_max_FI_rate_kHz_inverse": 0.6416880001234012,
        "optimal_cos_phase": -0.023421596384213768,
        "max_vs_quadrature_relative": 0.0004155542541037782
      },
      {
        "label": "uncorrected_Fock01",
        "A_rounded": 0.261,
        "B_rounded": 0.525,
        "gap": 1,
        "cycles": 8,
        "sensing_us": 1200.0,
        "wall_us": 1205.08,
        "quadrature_FI_rate_kHz_inverse": 0.32641846259356694,
        "exact_phase_max_FI_rate_kHz_inverse": 0.3267266174056748,
        "optimal_cos_phase": 0.03604598035561482,
        "max_vs_quadrature_relative": 0.0009440483533296185
      }
    ],
    "same_pair_gain_dB": 3.318979216368211,
    "different_pair_gain_dB": 6.252666890964348,
    "raw_experimental_data_refitted": false
  },
  "hidden_example": {
    "CQFI": 2.2312411310332987,
    "record_FI": 0.0,
    "record_ignored_QFI": 2.222552574346498,
    "actual_local_readout_FI": 2.055243750888378,
    "environment_exposed_QFI_bound": 2.2887609331388754,
    "mass": 0.9999999999999998,
    "branches": 16,
    "read_flip": 0.02,
    "signal": "X",
    "omega": 0.4,
    "gamma": 0.2,
    "delta": 0.23,
    "cycles": 4,
    "sensing_time": 0.92,
    "latency_per_cycle": 0.02,
    "control_time": 0.08,
    "preparation_readout_time": 0.1,
    "wall_time": 1.1,
    "nu": 0.2,
    "initial_environment": [
      0.5,
      0.5
    ],
    "count_aggregation": false,
    "noisy_probes": 1,
    "noiseless_auxiliaries": 1,
    "ideal_syndrome_measurements": 4,
    "actual_FI_rate": 1.8684034098985254
  },
  "markov_rows": 174,
  "bare_rows": 168,
  "hidden_rows": 54,
  "fock_rows": 70,
  "fock_time_optima": [
    {
      "t": 0.6195995177399956,
      "repair_over_kappa": 0.0,
      "kappa": 1.0,
      "omega": 0.4,
      "pair": [
        1,
        4
      ],
      "QFI": 1.5294452485104975,
      "code_only_Ramsey_FI": 0.3739709024796141,
      "all_pairs_Ramsey_FI": 1.5294452485104972,
      "initial_mean_photons": 2.5,
      "final_mean_photons": 1.3453997948598693,
      "code_probability": 0.41704563635379976,
      "lost_photons": 1.15460020514013,
      "pump_photons": 0.0,
      "wall_time": 0.7195995177399955,
      "FI_rate": 2.1254117197214604
    },
    {
      "t": 0.6379330532755718,
      "repair_over_kappa": 1.0,
      "kappa": 1.0,
      "omega": 0.4,
      "pair": [
        1,
        4
      ],
      "QFI": 1.5931045578953176,
      "code_only_Ramsey_FI": 0.6211545478801187,
      "all_pairs_Ramsey_FI": 1.5931045578953171,
      "initial_mean_photons": 2.5,
      "final_mean_photons": 1.4534029578772607,
      "code_probability": 0.5003075930537645,
      "lost_photons": 1.2179383139015274,
      "pump_photons": 0.1713412717787884,
      "wall_time": 0.7379330532755718,
      "FI_rate": 2.1588741022288818
    },
    {
      "t": 0.6996851642037127,
      "repair_over_kappa": 3.0,
      "kappa": 1.0,
      "omega": 0.4,
      "pair": [
        1,
        4
      ],
      "QFI": 1.8142780936051737,
      "code_only_Ramsey_FI": 1.0550471693770513,
      "all_pairs_Ramsey_FI": 1.8142780936051741,
      "initial_mean_photons": 2.5,
      "final_mean_photons": 1.5835131351483351,
      "code_probability": 0.6132666709349381,
      "lost_photons": 1.3762450033188423,
      "pump_photons": 0.45975813846717783,
      "wall_time": 0.7996851642037127,
      "FI_rate": 2.2687404678961913
    },
    {
      "t": 0.8510117753773342,
      "repair_over_kappa": 10.0,
      "kappa": 1.0,
      "omega": 0.4,
      "pair": [
        1,
        4
      ],
      "QFI": 2.4450912665322466,
      "code_only_Ramsey_FI": 2.0146995046647183,
      "all_pairs_Ramsey_FI": 2.4450912665322453,
      "initial_mean_photons": 2.5,
      "final_mean_photons": 1.8179697742566074,
      "code_probability": 0.7740952492840594,
      "lost_photons": 1.7879378269387818,
      "pump_photons": 1.10590760119539,
      "wall_time": 0.9510117753773342,
      "FI_rate": 2.5710420520945756
    },
    {
      "t": 0.9792992200953679,
      "repair_over_kappa": 30.0,
      "kappa": 1.0,
      "omega": 0.4,
      "pair": [
        1,
        4
      ],
      "QFI": 3.0636689970141298,
      "code_only_Ramsey_FI": 2.88139044380818,
      "all_pairs_Ramsey_FI": 3.0636689970141306,
      "initial_mean_photons": 2.5,
      "final_mean_photons": 2.0971511750351306,
      "code_probability": 0.8845343131062064,
      "lost_photons": 2.2247460773498604,
      "pump_photons": 1.8218972523849937,
      "wall_time": 1.079299220095368,
      "FI_rate": 2.838572418076445
    },
    {
      "t": 1.0505257459131334,
      "repair_over_kappa": 100.0,
      "kappa": 1.0,
      "omega": 0.4,
      "pair": [
        1,
        4
      ],
      "QFI": 3.415334848412337,
      "code_only_Ramsey_FI": 3.357911499173713,
      "all_pairs_Ramsey_FI": 3.415334848412337,
      "initial_mean_photons": 2.5,
      "final_mean_photons": 2.3353608965558634,
      "code_probability": 0.9553372313447075,
      "lost_photons": 2.5310270804909925,
      "pump_photons": 2.3663879770468585,
      "wall_time": 1.1505257459131335,
      "FI_rate": 2.9684992800414918
    },
    {
      "t": 1.0810628544818208,
      "repair_over_kappa": 1000.0,
      "kappa": 1.0,
      "omega": 0.4,
      "pair": [
        1,
        4
      ],
      "QFI": 3.5624638004190077,
      "code_only_Ramsey_FI": 3.556730637238608,
      "all_pairs_Ramsey_FI": 3.562463800419008,
      "initial_mean_photons": 2.5,
      "final_mean_photons": 2.4809665026787666,
      "code_probability": 0.994922880927761,
      "lost_photons": 2.691493698621761,
      "pump_photons": 2.672460201300528,
      "wall_time": 1.181062854481821,
      "FI_rate": 3.0163202465477603
    },
    {
      "t": 1.0844287392013676,
      "repair_over_kappa": 0.0,
      "kappa": 1.0,
      "omega": 0.4,
      "pair": [
        0,
        1
      ],
      "QFI": 0.3975947303950256,
      "code_only_Ramsey_FI": 0.3975947303950256,
      "all_pairs_Ramsey_FI": null,
      "initial_mean_photons": 0.5,
      "final_mean_photons": 0.1690474355422657,
      "code_probability": 0.9999999999999998,
      "lost_photons": 0.3309525644577342,
      "pump_photons": 0.0,
      "wall_time": 1.1844287392013677,
      "FI_rate": 0.3356848050336184
    }
  ],
  "assumptions": [
    "local omega0=.4, angular-frequency convention",
    "ideal noiseless ancilla and intermediate syndrome/recovery",
    "signal off during correction latency; noise and hidden hopping continue",
    "all records retained; no postselection or invisible-environment reset",
    "final projective SLD readout depends on a local prior, binary flip .02",
    "bare family optimizes pure input, final projective readout, scanned times",
    "Fock continuous shared-pump model is not the pulsed cavity experiment",
    "resource ledgers are not a whole-device energy budget"
  ]
}