Table 4 The QBER value for the 3-user and 4-user network experiment with a fixed 100ps bin in the correlation histogram

From: Coexistence of entanglement-based quantum channels with DWDM classical channels over hollow core fibre in a four node quantum communication network

 

Background included

Background subtracted

Link

Visibility

QBER

Visibility

QBER

3-user demonstration

Alice*-Bob

92.3%

3.9%

95.5%

2.3%

Alice*-Chloe

90.6%

4.7%

94.8%

2.6%

Bob-Chloe

91.9%

4.1%

95.1%

2.4%

4-user demonstration

Alice*-Bob

86.4%

6.8%

92.8%

3.6%

Alice*-Chloe

82.7%

8.6%

92.2%

3.9%

Alice*-Dave

79.7%

10.1%

87.6%

6.2%

Bob-Chloe

90.3%

4.9%

95.5%

2.2%

Bob-Dave

87.7%

6.1%

91.9%

4.1%

Chloe-Dave

86.8%

6.6%

90.4%

4.8%

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