Abstract
A necessary condition to guarantee the existence of the principal state of polarization is experimentally examined. The parameter, which is defined as the product of the differential group delay and the bandwidth of the principal state of polarization, is measured. The parameter of long single-mode fibers is assessed. Average values of 0.26 for dispersion-shifted fiber and 0.45 for conventional single-mode fiber were obtained. Combining these results with published results, one finds that is not determined solely from the state of the polarization-mode coupling.
© 1998 Optical Society of America
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