TY - JOUR
T1 - A mode-preserving perfectly matched layer for optical waveguides
AU - Ho, Pui Lin
AU - Lu, Ya Yan
PY - 2003/9
Y1 - 2003/9
N2 - For numerical simulation of wave propagation in optical waveguides, we develop a mode-preserving boundary condition for the popular perfectly matched layer, which truncates the unbounded transverse plane. The method is particularly useful for single-mode longitudinally varying wave-guiding structures and it is easy to use for step-index planar waveguides. With this boundary condition, accurate numerical solutions can be obtained in a much smaller computational window. Numerical results based on the beam propagation method for a tapered waveguide are used to demonstrate the capacity of this boundary condition.
AB - For numerical simulation of wave propagation in optical waveguides, we develop a mode-preserving boundary condition for the popular perfectly matched layer, which truncates the unbounded transverse plane. The method is particularly useful for single-mode longitudinally varying wave-guiding structures and it is easy to use for step-index planar waveguides. With this boundary condition, accurate numerical solutions can be obtained in a much smaller computational window. Numerical results based on the beam propagation method for a tapered waveguide are used to demonstrate the capacity of this boundary condition.
KW - Approximation methods
KW - Beam propagation method (BPM)
KW - Optical propagation
KW - Optical waveguides
KW - Perfectly matched layer (PML)
UR - http://www.scopus.com/inward/record.url?scp=0141674872&partnerID=8YFLogxK
UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-0141674872&origin=recordpage
U2 - 10.1109/LPT.2003.816124
DO - 10.1109/LPT.2003.816124
M3 - RGC 21 - Publication in refereed journal
SN - 1041-1135
VL - 15
SP - 1234
EP - 1236
JO - IEEE Photonics Technology Letters
JF - IEEE Photonics Technology Letters
IS - 9
ER -