Figure 5From: Quantum-enhanced receiver for quadrature phase shift keying using conjugated homodyne detectionFor time-bin separations (a) \(M=4\), (b) \(M=8\) and (c) \(M=12\), the average error probability of the CHD quantum-enhanced receiver (\(\tau = 0.05, 0.1\text{ and }0.3\)) and conventional quantum-enhanced receivers with SNSPDs under different detection efficiency against average photon numberBack to article page