Microstructured fiber with high-birefringence and low mode field non-circularity

Alexander N. Denisov; Andrey E. Levchenko; Sergei L. Semjonov; Evgeniy M. Dianov

doi:10.1117/12.874619

10 February 2011 Microstructured fiber with high-birefringence and low mode field non-circularity

Alexander N. Denisov, Andrey E. Levchenko, Sergei L. Semjonov, Evgeniy M. Dianov

Proceedings Volume 7914, Fiber Lasers VIII: Technology, Systems, and Applications; 79142G (2011) https://doi.org/10.1117/12.874619
Event: SPIE LASE, 2011, San Francisco, California, United States

Abstract

A novel design of polarization-maintaining microstructured fiber is presented. A solid core is surrounded by two or more concentric rings of holes of constant diameter. The distance between adjacent holes in the first ring is constant except for one or two pairs of holes, for which the spacing is increased. It is found that the fiber of such a design can demonstrate high birefringence (up to 5x10^-3) and simultaneously low azimuthal asymmetry of the mode shape. An experimental sample was fabricated. The measured value of birefringence is in excellent agreement with the calculated one. The results of the h-parameter measurement demonstrate the capability of the novel fiber to maintain the polarization state of the guided light along the fiber length.

Citation Download Citation

Alexander N. Denisov, Andrey E. Levchenko, Sergei L. Semjonov, and Evgeniy M. Dianov "Microstructured fiber with high-birefringence and low mode field non-circularity", Proc. SPIE 7914, Fiber Lasers VIII: Technology, Systems, and Applications, 79142G (10 February 2011); https://doi.org/10.1117/12.874619

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