Optimized Operator-Splitting Methods in Numerical Integration of Maxwell's Equations

Table 1

CFLmax and accuracy for different methods.

Method	CFLmax		Accuracy
	D = 2	D = 3
(4, 2)	1.05	0.86	𝑂(Δ𝑡^4)+𝑂(Δ𝜍^2)
(4, 4)	0.90	0.73	𝑂(Δ𝑡^4)+𝑂(Δ𝜍^4)
(4, 6)	0.85	0.69	𝑂(Δ𝑡^4)+𝑂(Δ𝜍^6)
FDTD(2, 2)	0.71	0.58	𝑂(Δ𝑡^2)+𝑂(Δ𝜍^2)