Hybrid Trefftz Finite-Element Method for Analyzing the Eigenmodes of Optical Fibers - Sato, Shingo; Hasegawa, Koji; Mizukami, Naoya; Tsushima, Yasuo (Journal of lightwave technology, 2019)
Keywords: Boundary conditions; Eigenvalues; Fiber nonlinear optics; Finite element analysis; Finite element method; Hybrid Trefftz finite-element method; nonlinear eigenvalue problem; Nonlinear programming; Numerical methods; optical fiber; Optical fibers; Sakurai–Sugiura method; Waveguides