Abstract
A new finite-difference BPM method based on the application of the Runge–Kutta (RK) technique altogether with transparent boundary conditions (TBCs) is proposed. Numerical experiments are carried out to verify the compatibility of TBCs with this method, and to compare its performance with the standard Crank–Nicholson scheme when simulating nonlinear optical devices. © 1998 John Wiley & Sons, Inc. Microwave Opt Technol Lett 18: 418–423, 1998.
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