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We present 18 months of field observations on the state-of-polarization (SOP) and polarization-mode dispersion (PMD) on three routes monitored using deployed coherent 40 Gb/s transponders. Two fiber paths were monitored on each of three different routes, ranging from 30 km with one amplified span to 273 km with seven amplified spans. In general, the changes in SOP and PMD were slow, with the autocorrelation...
We will present state of the art performance of monolithically integrated 500 Gb/sec and 1 Tb/s coherent transmitter and receiver PICs with integrated multi-channel tunable laser arrays optimized for coherent transmission.
We present field observations on the state of polarization, polarization-mode-dispersion and polarization-dependent loss of three routes (6 fibers) monitored using coherent transponders. We observed that one fiber had a significantly more active state of polarization.
We review progress in the area of InP large scale photonic integrated circuits (LS-PICs). We will review transmitter and receiver PICs for digital optical networking.
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