Fourier operator is used in the vectorial Helmholtz’s equation for the calculation of layer modes in a 2d slice of a photonic device. The slice modes are then propagated throughout the device via scattering matrices.
© 2008 Optical Society of America
V. Krishnamurthy, M. Messer, J. Allen, and B. Klein, "Matrix-Free Plane Wave Modal Expansion Approach for Robust Design of Photonic Structures," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2008), paper JThA95.
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