Plane wave expansion method (PWE) refers to a computational technique in electromagnetics to solve the Maxwell's equations by formulating an eigenvalue problem out of the equation. This method is popular among the photonic crystal community as a method of solving for the band structure (dispersion relation) of specific photonic crystal geometries. PWE is traceable to the analytical formulations, and is useful in calculating modal solutions of Maxwell's equations over an inhomogeneous or periodic geometry. It is specifically tuned to solve problems in a time-harmonic forms, with non-dispersive media (a reformulation of the method named Inverse dispersion allows frequency-dependent refractive indices[1]).
^Rybin, Mikhail; Limonov, Mikhail (2016). "Inverse dispersion method for calculation of complex photonic band diagram and PT symmetry". Physical Review B. 93 (16): 165132. arXiv:1707.02870. doi:10.1103/PhysRevB.93.165132.
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Planewaveexpansionmethod (PWE) refers to a computational technique in electromagnetics to solve the Maxwell's equations by formulating an eigenvalue...
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sinusoidal planewave is a special case of planewave: a field whose value varies as a sinusoidal function of time and of the distance from some fixed plane. It...
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the Stokes expansion – obtained approximate solutions for nonlinear wave motion. Stokes's wave theory is of direct practical use for waves on intermediate...
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expansion, also known as the Weyl identity or angular spectrum expansion, expresses an outgoing spherical wave as a linear combination of planewaves...
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