Figure 7

The detected normalized intensity for logic 0. The stable intensities at D1 (solid line) and D2 (dashed line) when locking the phase differences of two big MZIs to be φ 1 = φ 2 = 0, giving the result I(D1)/I 0 = 36% and I(D2)/I 0 = 13%.

The detected normalized intensity for logic 0. The stable intensities at D1 (solid line) and D2 (dashed line) when locking the phase differences of two big MZIs to be φ 1 = φ 2 = 0, giving the result I(D1)/I 0 = 36% and I(D2)/I 0 = 13%.