<1-ms highly-repeatable polarization-state generator and analyzer for 40-Gb/s system performance monitoring

We demonstrate a fast (<1 millisecond), all solid-state, highly repeatable (variation <0.7/spl deg/ polarization state generator and analyzer using magneto-optic polarization switches and demonstrate OSNR performance monitoring in a 14/spl times/40-Gb/s WDM system.