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  • Optical Fiber Communication Conference and Exposition and The National Fiber Optic Engineers Conference
  • Technical Digest (CD) (Optica Publishing Group, 2006),
  • paper PDP33

Improved Margin in Long-Haul 40 Gb/s Systems Using Bit-Synchronously Modulated RZ-DQPSK

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Abstract

We demonstrated a substantial improvement in FEC margin at 40 Gb/s using bit- synchronously modulated RZ-DQPSK. We transmitted 28⨉40 Gb/s CRZ-DQPSK channels over 6,550 km with ~2 dB of actual FEC margin, without any PMD compensation.

© 2006 Optical Society of America

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