Optics Letters · 1992 · 15 citations · 7 references
ComputingElectrical EngineeringComputational ElectromagneticsOpticsMaxwell's EquationsNumerical AcousticsScattering ProblemsElectromagnetic Field SolverGainHelmholtz Equation
The numerical scheme for solving the Helmholtz equation, based on the Lanczos orthogonalization scheme, is generalized so that it can be applied to media with space-dependent absorption or gain profiles.
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