A novel microstructured optical fiber with high birefringence

Bingxin Li; Dongmei Hu; Baorong Zhang; Rongjin Yu

doi:10.1117/12.725900

29 January 2007 A novel microstructured optical fiber with high birefringence

Bingxin Li, Dongmei Hu, Baorong Zhang, Rongjin Yu

Proceedings Volume 6279, 27th International Congress on High-Speed Photography and Photonics; 627976 (2007) https://doi.org/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_2ν symmetry. In this paper, a novel microstructured high birefringence optical fiber with C_1ν 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_1ν symmetry. The degeneracy fundamental mode LP₀₁ was split into two modes LP^x₀₁, LP^y₀₁ because the symmetry of C_1v is lower than that of C_2ν , the difference between the patterns of the two modes field was larger. Using multipole method, we calculated the propagation constants of modes LP^x₀₁ and LP^y₀₁, 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.

Citation Download Citation

Bingxin Li, Dongmei Hu, Baorong Zhang, and 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); https://doi.org/10.1117/12.725900

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