Evaluation of polarization mode coupling coefficient from measurement of polarization mode dispersion

Polarization mode coupling coefficient is evaluated from the measurement of polarization mode dispersion as a function of fiber length in a single-mode fiber having an elliptical-core with 10-percent ellipticity. The modal dispersion measurement are carried out by the improved spatial technique based on an optical heterodyne detection at the wavelengths of 0.85 and 1.3 μm. The coupling coefficients are evaluated from the measurements to be 3.4 \times 10^{-3} and 4.6 \times 10^{-3} m-1for modal-birefringence magnitudes of 8 \times 10^{-6} and 3 \times 10^{-6} , respectively. The coupling coefficients obtained from the dispersion measurement are coincident with those evaluated from the extinction-ratio measurements. In addition, dependence of the coupling coefficient on propagation constant difference between the two orthogonally polarized HE 11 modes is investigated based on Lorentzian power spectrum model.

[1]  Yoshihisa Yamamoto,et al.  Coherent optical fiber transmission systems , 1981 .

[2]  T. Katsuyama,et al.  Low-loss single-polarisation fibres , 1981 .

[3]  N. Shibata,et al.  Spatial technique for measuring modal delay differences in a dual-mode optical fiber. , 1980, Applied optics.

[4]  A. Simon,et al.  Evolution of polarization along a single‐mode fiber , 1977 .

[5]  J. Midwinter,et al.  Progress in monomode transmission techniques in the United Kingdom , 1983 .

[6]  S. Rashleigh.  Origins and control of polarization effects in single-mode fibers (A) , 1982 .

[7]  R. G. Priest,et al.  Optical fiber sensor technology , 1982, 1985 International Electron Devices Meeting.

[8]  L. Cohen,et al.  Minimum-dispersion spectra of single-mode fibres measured with subpicosecond resolution by white-light crosscorrelation , 1982 .

[9]  Klaus Petermann,et al.  Low-drift fibre gyro using a superluminescent diode , 1981 .

[10]  R Ulrich,et al.  Fiber-ring interferometer: polarization analysis. , 1979, Optics letters.

[11]  Shojiro Kawakami,et al.  Transmission characteristics of a two-mode optical waveguide , 1978 .

[12]  Y. Sasaki,et al.  Low-loss single polarisation fibres with asymmetrical strain birefringence , 1981 .

[13]  Polarization-holding single-mode optical-fiber cables , 1983 .

[14]  Ivan P. Kaminow,et al.  Polarization in optical fibers , 1981 .

[15]  N. Shibata,et al.  Measurements of polarisation mode dispersion by optical heterodyne detection , 1984 .

[16]  R Ulrich,et al.  Polarization holding in birefringent single-mode fibers. , 1982, Optics letters.

[17]  Chin-Lin Chen,et al.  Fiber-optic gyroscopes with broad-band sources , 1983 .