Table 1 Coefficient of k-th power of indistinguishability.

From: Observation of detection-dependent multi-photon coherence times

N

(N m,m)

c k =0

c k =1

c k =2

2

(2,0)

1/4

1/4

0

 

(1,1)

1/2

−1/2

0

4

(4,0)

1/16

1/4

1/16

 

(3,1)

1/4

0

−1/4

  1. in equation 2 is given for the detection schemes shown in Fig. 1. For k ≥ 3, all coefficients vanish.