[TuB2] Ultra-Wideband Transmission

12:00 PM - 12:15 PM JST(3:00 AM - 3:15 AM UTC)

[TuB2-4] Low-Noise Forward Pumping with Optimized Longitudinal Modes for Distributed Raman Amplifier in S+C+L-Band Transmission

○Hiroto Kawakami¹, Fukutaro Hamaoka¹, Kosuke Kimura¹, Masanori Nakamura¹, Takeo Sasai¹, Takayuki Kobayashi¹, Yutaka Miyamoto¹, Etsushi Yamazaki¹ (1.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.