Table 1 Summary table of the demonstrated and required gate values and bit precision for each operation in the CVQNN

From: Hybrid quantum-classical photonic neural networks

Gate

Value

ENOB

 

Req.

Demonstrated

Req.

Achievable

Displacement Amp.

0.483

1

3.5

8(*)

Squeeze Amp.

0.441

17

3.5

3.3(*)

Kerr Phase

~π

π/6435

6.0

N/A

Interferometer Phase

2π

2π

5.0

16.018

  1. (*) Value was derived using additional analysis.
  2. Further details are found in the supplementary information for the displacement, squeezing, Kerr, and interferometer operations (Supplementary Note Implementation of Quantum Gates)