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

Xiuquan Ma | Zendy; Shicheng Zhu | Zendy; Li Li | Zendy; Jinyan Li | Zendy; Xinyu Shao | Zendy; Almants Galvanauskas | Zendy

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

Author(s) -

Xiuquan Ma,

Shicheng Zhu,

Li Li,

Jinyan Li,

Xinyu Shao,

Almants Galvanauskas

Publication year - 2018

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.26.003995

Subject(s) - beam propagation method , birefringence , optics , waveguide , anisotropy , beam (structure) , finite difference , finite difference method , physics , wave propagation , refractive index , materials science , mathematical analysis , mathematics , thermodynamics

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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