Numerical analysis of planar optical waveguides using matrix approach
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Cites background or methods from "Numerical analysis of planar optica..."
...It is expected that for waveguide modes with a large imaginary part, the Lorentzian function representation of a single waveguide mode fails (see, e.g., [ 6 ], [26])....
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...One candidate method is the extremely popular local-excitationefficiency method [ 6 ], which detects guided and leaky modes in lossy and lossless waveguides....
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...For structures involving nonidentical guiding regions the method of [ 6 ] must be applied times....
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...Both methods described in [ 6 ], [8] are included within these generalized classes....
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...In addition RPM does not need the addition of a fictitious high index layer as does the method in [ 6 ] which alters the character and the propagation constants of the waveguide modes....
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