Harutjunian, Z.E. and Grudinin, A.B.
Eigenstates of polarization of elliptical single-mode fibers
IEEE Journal of Lightwave Technology, 11, (12), . (doi:10.1109/50.257955).
The degree of polarization of radiation in an elliptical polarization-maintaining fiber and the polarization states of eigenpolarization modes of such fibers have been experimentally investigated in a wide spectral range. It has been shown that the elliptical fibers are uniform, homogeneously twisted fibers with elliptically polarized eigenpolarization modes. The ellipticity of the eigenpolarization mode is independent of fiber length and increases with wavelength, while the azimuth of the eigenpolarization mode is spectrally independent.
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