Coverage for jaxquantum/circuits/library/sbs/parameters.py: 100%

1"""Named parameter sets for reproducible sBs simulations.""" 

2 

3from math import pi 

4 

5__all__ = ("GKP_JULY30", "PARAMETER_SETS") 

6 

7 

8GKP_JULY30 = { 

9 "device": { 

10 "storage_t1": 90.96363465452683e-6, 

11 "storage_tphi": 1.080e-3, 

12 "storage_nbar": 0.0, 

13 "qubit_t1": 438.2766324140162e-6, 

14 "qubit_t1_cd": 56.38e-6, 

15 "qubit_tphi": 1 / (1 / 51.56110574223823e-6 - 1 / (2 * 438.2766324140162e-6)), 

16 "qubit_excited_population": 0.0, 

17 "qubit_cd_excited_population": 0.5, 

18 "cd_durations": (416e-9, 2.504e-6, 536e-9), 

19 "rotation_durations": (144e-9,) * 4, 

20 "reset_duration": 324e-9, 

21 "reset_error": 0.01, 

22 }, 

23 "control": { 

24 "state_delta": 0.438, 

25 "delta": 0.42, 

26 "small_ratio": 1.3, 

27 "small_displacement_scales": ( 

28 0.868641814887524, 

29 1.1443416709546, 

30 ), 

31 "big_displacement": 2.5062270435214, 

32 "epsilon_model": "quadratic", 

33 "final_storage_rotation": 2 * pi * (-1.66112496703863 / 360), 

34 "alternate_cd_direction": True, 

35 "max_alpha": 7.7, 

36 }, 

37 "timing": { 

38 "cd_delay_ns": (40, 1084, 100), 

39 "storage_displacement_pulse_ns": 40, 

40 "cd_pi_padding_ns": 16, 

41 "qubit_pi_pulse_ns": 144, 

42 "reset_components_ns": (176, 48, 100), 

43 "stabilizer_us": 4.356, 

44 "four_way_round_us": 17.424, 

45 }, 

46 "provenance": { 

47 "coherence": ( 

48 "July 30 device snapshot; storage Tphi=1.08 ms was fixed because " 

49 "the fresh fit was unresolved" 

50 ), 

51 "control": "run_gkp_lifetime_measurement BEST_GKP_LIFETIME_CONTROL", 

52 "timing": "gkp.py formulas with the July 30/31 D9 pulse snapshot", 

53 "qubit_t1_cd": ( 

54 "56.38 +/- 1.43 us population-contrast lifetime measured at the " 

55 "big-CD operating point; applied to all three CDs" 

56 ), 

57 "qubit_cd_excited_population": ( 

58 "repeated-ECD steady state was approximately one half" 

59 ), 

60 "reset_error": "1% sensitivity assumption; reset duration is measured", 

61 }, 

62} 

63 

64 

65PARAMETER_SETS = {"gkp_july30": GKP_JULY30}