66.8 Tb/s Real-Time C+L Unrepeatered Transmission over 301 km using Forward and Backward Raman Amplification

Ivan Fernandez De Jauregui Ruiz, Nurmemet Abdukerim, John Van Weerdenburg,Thomas Gerard, F. J. Vaquero Caballero, Jonathan M. Buset,Lidia Galdino

2024 Optical Fiber Communications Conference and Exhibition (OFC)（2024）

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Abstract

We demonstrate record real-time 66.8 Tb/s over 301 km unrepeatered fiber transmission based on commercial 100.4 GBaud PCS-64QAM digital subcarrier-based transponders and commercial 9.6 THz multi-band C+L line system employing forward and backward Raman amplification.

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Key words

Raman Amplification,Signal-to-noise,Optical Fiber,Optical Amplifier,Forward Error Correction,Total Throughput,Group Of Channels,Amplified Spontaneous Emission,Variable Optical Attenuator,Stimulated Raman Scattering

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