Patent ID: 7050658
Filing Date: 2006-05-23
Classification: H04B

Abstract:
1. A method for reducing system deterioration caused by polarization effects when an optical signal is transmitted to a destination using an optical transmission system having an optical path comprised of fast and slow polarization axes, comprising the steps of: a) controlling a transmission end to divide the optical signal into two polarization components orthogonal to each other within one bit before transmitting the optical signal so that a PMD (Polarization Mode Dispersion) can be compensated in the optical path; and b) applying one polarization component of the two orthogonal polarization components to the fast polarization axis of the optical path, applying the other polarization component of the two orthogonal polarization components to the slow polarization axis of the optical path, and reducing the influence of the PMD using a predetermined effect indicative of a pulse width reduction caused by the PMD.