Table 1 Average gate fidelities of one-, two- and three-qubit gates implemented by Ascella evaluated based on K expectation values obtained from M measurement configurations

From: A versatile single-photon-based quantum computing platform

Qubits, n

Gate, U

Success probability

Favg (U) (%)

M

K

24n

1

T

1

99.6 ± 0.1

4

4

16

2

CNOT

1/9

93.8 ± 0.6

36

58

256

3

Toffoli

≈1/57

86 ± 1.2

340

593

4,096

  1. The success probability of the CNOT62 and Toffoli67 gates are indicated.