An Improved Spectral Numerical Mode Matching Method for Simulating Fiber Bragg Gratings

An improved spectral numerical mode matching (SNMM) method is applied for the first time to simulate fiber Bragg gratings (FBGs). Based on using the relative permittivity perturbation as the source, the new SNMM is constructed to correlate the total electromagnetic (EM) field with the excitation (ex...

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Veröffentlicht in:	IEEE transactions on microwave theory and techniques 2024-06, Vol.72 (6), p.3334-3344
Hauptverfasser:	Wu, Xue Liang, Liu, Jie, Chen, Jin-Hui, Liu, Qing Huo
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorbing boundary condition (ABC) Bragg gratings Coupled modes Eigenvalues Excitation fiber Bragg gratings (FBGs) Fiber gratings Matching Mathematical analysis Mathematical models Matrix methods Maxwell's equations Optical fiber theory Permittivity Perturbation Perturbation methods Reflection Refractive index Runge-Kutta method Spectral element method spectral numerical mode matching (SNMM) Thermal expansion Transfer matrices Wave propagation
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