Determination of modes of elliptical waveguides with ellipse transformation perturbation theory | Zendy

Aku Antikainen | Zendy; René-Jean Essiambre | Zendy; Govind P. Agrawal | Zendy

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Determination of modes of elliptical waveguides with ellipse transformation perturbation theory

Author(s) -

Aku Antikainen,

René-Jean Essiambre,

Govind P. Agrawal

Publication year - 2017

Publication title -

optica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.074

H-Index - 107

ISSN - 2334-2536

DOI - 10.1364/optica.4.001510

Subject(s) - ellipse , modal , mathieu function , multi mode optical fiber , birefringence , optics , transformation optics , single mode optical fiber , transformation (genetics) , fabrication , physics , optical fiber , mathematical analysis , materials science , mathematics , geometry , metamaterial , biochemistry , chemistry , gene , medicine , alternative medicine , pathology , polymer chemistry

All optical fibers, including single-mode, multimode, and multicore fibers, exhibit some degree of birefringence, either purposely, such as in polarization-maintaining fibers, or inadvertently due to material or fabrication imperfections. Finding a low-complexity method to accurately calculate the modal characteristics of elliptical fibers has been a long-standing problem. We present a novel accurate perturbative method that avoids the difficulties associated with the traditional Mathieu function treatment. The method is also applicable to a broader class of oscillating systems with elliptical geometry.

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