29 January 2007 A novel microstructured optical fiber with high birefringence
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Proceedings Volume 6279, 27th International Congress on High-Speed Photography and Photonics; 627976 (2007); doi: 10.1117/12.725900
Event: 27th International congress on High-Speed Photography and Photonics, 2006, Xi'an, China
Abstract
High birefringence optical fibers such as elliptical core fibers and many highly birefringent photonic crystal fibers usually broke the symmetry of circle by introduced C symmetry. In this paper, a novel microstructured high birefringence optical fiber with C symmetry is proposed. Four air holes were introduced into the core of a circular optical fiber, circular symmetry was broken, and the core of this kind of optical fibers only maintained C symmetry. The degeneracy fundamental mode LP01 was split into two modes LPx01, LPy01 because the symmetry of C1v is lower than that of C , the difference between the patterns of the two modes field was larger. Using multipole method, we calculated the propagation constants of modes LPx01 and LPy01, the modal birefringence B is to the magnitude of 10-2 which is almost tenfold greater than that of many highly birefringence photonic crystal fibers. The other advantage of this kind of optical fibers is that the fabrication of fibers with a few air holes is easier than that of photonic crystal fibers with many air holes.
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Bingxin Li, Dongmei Hu, Baorong Zhang, Rongjin Yu, "A novel microstructured optical fiber with high birefringence", Proc. SPIE 6279, 27th International Congress on High-Speed Photography and Photonics, 627976 (29 January 2007); doi: 10.1117/12.725900; https://doi.org/10.1117/12.725900
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KEYWORDS
Birefringence

Optical fibers

Photonic crystal fibers

Structured optical fibers

Numerical simulations

Refractive index

Cladding

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