Table 1 Truth table of half-adder operations consisting of combinations of XOR and AND operations in the proposed device.

From: Plasmonic-multimode-interference-based logic circuit with simple phase adjustment

Input Power

Logical Output

Numerical Output

Experimental Output

A

B

Ref.

XOR

AND

XOR

AND

XOR

AND

0

0

0.25

0

0

0.00

0.12

0.02 ± 0.02

0.24 ± 0.04

0

1

0.25

1

0

0.72

0.13

0.72 ± 0.03

0.27 ± 0.05

1

0

0.25

1

0

0.71

0.11

0.99 ± 0.09

0.16 ± 0.05

1

1

0.25

0

1

0.01

1.00

0.09 ± 0.02

1.00 ± 0.09

  1. Numerical and experimental outputs are normalized with respect to the maximum value of AND “11” output.