Index A | B | C | D | E | F | G | H | I | L | M | N | O | P | R | S | T | V | X | Z A adaptive FEM leaky modes adaptive loop Solve-Estimate-Mark-Refine ansatz time-harmonic waveguide mode, [1] antiresonant fiber ARF hollow-core fiber keyword arguments ARROW guidance azimuthal mode number, [1] B beta conversion boundary condition at infinity Bragg adaptive computation class constructor parameters, [1] Bragg fiber numerical transfer matrix BraggExactScalar class example BraggExactVector class example C characteristic equation vector characteristic equation for X custom parameters override fiber_dicts D dual-weighted residual error estimator DWR error estimator E eigensolver polynomial eigenvalue problem vector eigenvalue search FEAST electric field transverse error eigenvalue error estimator F FEAST algorithm fiber_dicts override fine-scale oscillations G guided modes numerical guidedvecmodes method guidedvecmodes method H Hausdorff distance HE11 mode Bragg fiber, [1] Helmholtz equation scalar holey fiber I index well nondimensionalized L leaky modes Bragg fiber eigenproblems leakymode ARF method PBG scalar leakyvecmodes method, [1] NANF leakyvecmodes_adapt_gen method loss confinement loss formula db/m from propagation constant M maxhs mesh parameter Maxwell equations curl-curl form vector mesh Bragg fiber modes comparison with exact EH, [1] evanescent exact stepindex expressions guided mode equation HE, [1], [2] hybrid leaky radiation TE, [1] TM, [1] N NANF near-degenerate adjusting eta_tol eigenvectors nested antiresonant fiber nondimensional root nondimensionalization Bragg fiber Nufern Yb fiber O oscillations outgoing boundary condition P pattern custom PBG PBG air outer region custom pattern rod lattice vs PCF PCF index-guided example perfectly matched layer frequency-dependent perturbation index phi scaled longitudinal component photonic bandgap fiber photonic crystal fiber PML frequency-dependent R ripples rotate PBG fiber S scalar leaky mode Bragg fiber search center principled guess when n0 not clad sqrZfrom outer region mismatch Step index class step-index fiber vector modes StepIndexExact vec_propagation_constants T thermal perturbation transfer matrix method V V-number, [1] vector modes Bragg fiber X X X and propagation constant, [1] Z Z and X Z conversion Z-plane Z squared eigenvalue
