W. Yang et A. Gopinath, A BOUNDARY INTEGRAL METHOD FOR PROPAGATION PROBLEMS IN INTEGRATED OPTICAL STRUCTURES, IEEE photonics technology letters, 7(7), 1995, pp. 777-779
A boundary integral method is presented for the study of wave propagat
ions in waveguiding structures that are considered difficult for the b
eam propagation method (BPM). We have demonstrated with 2-D simulation
s, that structures of large angle bends and arbitrary reflections can
be easily modeled without excessive computational demand. This method
provides a powerful tool for analyzing radiation loss, scattering, cro
sstalk and other characteristics in complex integrated photonic device
s.