Table 1 State fidelities after application of the QFT.

The single-qubit state fidelities F1, F2, and F3 are estimated from Ramsey fringes and excitation probabilities after applying the QFT. From correlation measurements, the three-qubit state fidelities F are deduced.

Initial stateF1F2F3F1 × F2 × F3F
|000〉0.74(5)0.88(5)0.82(5)0.53(6)0.59(2)
|001〉0.77(4)0.81(2)0.86(4)0.53(4)0.54(2)
|010〉0.76(7)0.86(4)0.84(4)0.55(4)0.55(2)
|011〉0.77(5)0.84(2)0.83(4)0.54(5)0.54(2)
|100〉0.74(5)0.89(5)0.88(5)0.58(6)0.59(2)
|101〉0.73(4)0.85(2)0.90(4)0.56(4)0.66(2)
|110〉0.70(4)0.78(4)0.90(3)0.49(4)0.57(2)
|111〉0.68(4)0.79(3)0.89(4)0.48(4)0.63(2)
|+00〉0.84(2)0.78(5)0.86(5)0.56(5)0.65(2)
|+01〉0.83(2)0.84(3)0.81(4)0.56(4)
|+10〉0.81(2)0.77(4)0.76(4)0.47(3)
|+11〉0.82(2)0.81(2)0.80(4)0.54(3)
|++0〉0.79(2)0.74(2)0.88(4)0.51(3)
|++1〉0.84(2)0.73(2)0.75(4)0.46(3)
|+++〉0.86(2)0.79(2)0.77(2)0.52(3)0.54(2)