Finite-difference beam-propagation method for anisotropic waveguides with torsional birefringence

Optics Express
Xiuquan MaAlmants Galvanauskas

Abstract

A new three-dimensional finite-difference (FD)-based beam propagation method (BPM) is proposed for simulating optical propagation in weakly guiding waveguides with torsional birefringence, which cannot be simulated by existing FD-BPM algorithms. We also demonstrate that this new BPM algorithm is capable of obtaining eigenmode solutions in a helically-symmetric z-dependent waveguide structure with torsional birefringence.

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May 3, 2014·Optics Express·Xiuquan MaAlmantas Galvanauskas

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