Polymode is a package for the modal analysis of optical fibers, particularly microstructured optical fiber (MOF) or photonic crystal fibers (PCF) with silica or polymer construction.
The performance of such fibres can be calculated from a knowledge of the effective indices and losses of all or at least a sufficient number of the modes, to give, for example, local density of states, numerical aperture, bandwidth or mixing behaviour under various perturbations.
The Polymode software is currently the only open source platform for MOF modal analysis. It allows easy construction of arbitrary waveguide structures using simple geometric shapes as well as imported and resampled images and utilizes the full rotational symmetry of the waveguide structure.
It aims to:
- Be flexible, easy and intuitive to use
- Include multiple modal solvers and modal analysis algorithm
- Provide a flexible and extensible library for modal calculations
- Provide a number of tools to optimize and analyze MOF structures
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