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    420 Gbit/s (42 x 10 Gbit/s) WDM Transmission Over 4000 km of UltraWave Fiber with 100 km Dispersion-Managed Spans and Distributed Raman Amplification

420 Gbit/s (42 x 10 Gbit/s) WDM Transmission Over 4000 km of UltraWave Fiber with 100 km Dispersion-Managed Spans and Distributed Raman Amplification

01 January 2001

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42 x 10 Gbit/s wavelength division multiplexed transmission of 4000 km of UltraWave fiber with 100 km dispersion-managed spans and 50 GHz channel spacing is demonstrated. A new dispersion map and all-Raman distributed amplification are employed to obtain error-free transmission of all 42 channels without the use of forward error correction.