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Field Verification of 40g Dpsk Upgrade in a Legacy 10g Network

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Abstract

We report verification of 1,200 km field upgrade of 10G NRZ wavelengths with 40G DPSK channels. Non symmetric dispersion map results in pronounced intra-channel nonlinear effect, which could be significantly reduced by dispersion pre-compensation.

© 2010 IEEE Communications Society, IEEE Photonics Society, OSA, Telcordia

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