The optical frequency resolution Stokes's vector measurement means which select

摘要

PROBLEM TO BE SOLVED: To measure optical frequency resolution stokes vectors in a short time with high accuracy.;SOLUTION: A device for monitoring optical signal quality includes an optical frequency resolution stokes vector measuring means, an optical frequency average stokes vector measuring means, a polarized state fluctuation determining means for determining the occurrence of polarized state fluctuation from a measurement result obtained by the average stokes vector measuring means, and an optical frequency resolution stokes vector reliability determining means for determining the reliability of a measurement result obtained by the resolution stokes vector measuring means correspondent to the occurrence of the state fluctuation detected by the polarized state fluctuation determining means.;COPYRIGHT: (C)2010,JPO&INPIT