Highly birefringent photonic crystal fibers with a square lattice

Ryszard R. Buczynski; Przemyslaw Szarniak; Dariusz Pysz; Ryszard Stepien; Tomasz Szoplik

doi:10.1117/12.581622

8 September 2004 Highly birefringent photonic crystal fibers with a square lattice

Ryszard R. Buczynski, Przemyslaw Szarniak, Dariusz Pysz, Ryszard Stepien, Tomasz Szoplik

Proceedings Volume 5576, Lightguides and their Applications II; (2004) https://doi.org/10.1117/12.581622
Event: Lightguides and their Applications II, 2003, Krasnobrod, Poland

Abstract

We present the results of modeling of photonic crystal fibers with a square lattice and square holes. In photonic fibers having an order m = 2 symmetry the degeneracy of the fundamental mode that is a combination of the polarization modes HE₁₁^x and HE₁₁^y disappears. The advantage of the square structure is that the photonic crystal fiber becomes very sensitive to deformations caused by external factors yet it remains highly birefringent. The propagation constants of both modes were calculated using the vector method of biorthonormal bases. The use of a square lattice in a photonic crystal fiber makes possible to achieve birefringence of the order of 10^-2. We have examined the dependence of birefringence on the geometrical parameters of the fiber's structure.

Citation Download Citation

Ryszard R. Buczynski, Przemyslaw Szarniak, Dariusz Pysz, Ryszard Stepien, and Tomasz Szoplik "Highly birefringent photonic crystal fibers with a square lattice", Proc. SPIE 5576, Lightguides and their Applications II, (8 September 2004); https://doi.org/10.1117/12.581622

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