Alternative Approach of Developing Optical Binary Adder Using Reversible Peres Gates

Table 2

Truth table of frequency encoded Peres gate.

Frequency of the input beam			Frequency of the; output beam
A	B	C	P	Q	R
ν1	ν1	ν1	ν1	ν1	ν1
ν1	ν1	ν2	ν1	ν1	ν2
ν1	ν2	ν1	ν1	ν2	ν1
ν1	ν2	ν2	ν1	ν2	ν2
ν2	ν1	ν1	ν2	ν2	ν1
ν2	ν1	ν2	ν2	ν2	ν2
ν2	ν2	ν1	ν2	ν1	ν2
ν2	ν2	ν2	ν2	ν1	ν1