Abstract
The BPM is the technique used mostly for the simulation of integrated-optical waveguides and components. It is based on a propagation term, relating the field at (z + Δz) to the field at z as: with the differential operator The various BPM techniques, as proposed so far,1-3 mainly differ in the evaluation of the exponential operator in Eq. (1).
© 1991 Optical Society of America
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