Presentation Information
[TuB2-4]Low-Noise Forward Pumping with Optimized Longitudinal Modes for Distributed Raman Amplifier in S+C+L-Band Transmission
○Hiroto Kawakami, Fukutaro Hamaoka, Kosuke Kimura, Masanori Nakamura, Takeo Sasai, Takayuki Kobayashi, Yutaka Miyamoto, Etsushi Yamazaki (NTT Corporation)
Keywords:
Transmission impairments and their mitigations
We show the improvement of signal quality in S+C+L-band transmission using a low-beat-noise forward pumping. After 1200-km transmission, the measured signal-to-noise ratios were improved by more than 0.7 dB compared to using a conventional technique.