A simple and rigorous verification technique for nonlinear fdtd algorithms by optical parametric four‐wave mixing

A rigorous quantitative verification technique is presented for nonlinear finite-difference time-domain (FDTD) algorithms by analyzing parametric four-wave mixing (FWM) in an optical Kerr medium without involving other numerical techniques. This technique allows quick and reliable verification of complicated nonlinear FDTD algorithms, hence enhancing the application of nonlinear FDTD analysis to more realistic optical problems. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 48: 88–91, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21270

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