Title :
1-Tb/s (100 x 10 Gb/s) super-dense WDM transmission with 25-GHz channel spacing in the zero-dispersion region employing distributed Raman amplification technology
Author :
Suzuki, Hiro ; Kani, Jun-Ichi ; Masuda, Hiroji ; Takachio, Noboru ; Iwatsuki, Katsumi ; Tada, Yasuhiko ; Sumida, Masatoyo
Author_Institution :
NTT Network Innovation Lab., Kanagawa, Japan
fDate :
7/1/2000 12:00:00 AM
Abstract :
We achieve 1 Tb/s (100/spl times/10 Gb/s) super-dense WDM (super DWDM) transmission with 25-GHz channel spacing (0.4 bit/s/Hz spectral efficiency) in the zero-dispersion region over a 4/spl times/80 km dispersion-shifted fiber by employing backward pumped distributed Raman amplification and forward error correction. By adopting bi-directional pumping, we present experimental results showing that the transmission distance is extended approximately threefold to 1040 km.
Keywords :
Raman lasers; forward error correction; optical fibre amplifiers; optical fibre communication; optical pumping; telecommunication channels; wavelength division multiplexing; 1 Tbit/s; 10 Gbit/s; 1040 km; 80 km; GHz channel spacing; backward pumped distributed Raman amplification; bi-directional pumping; dispersion-shifted fiber; distributed Raman amplification technology; forward error correction; spectral efficiency; super-dense WDM; super-dense WDM transmission; transmission distance; zero-dispersion region; Arrayed waveguide gratings; Channel spacing; Forward error correction; Optical fiber communication; Optical fiber dispersion; Optical fiber polarization; Optical filters; Optical receivers; Stimulated emission; Wavelength division multiplexing;
Journal_Title :
Photonics Technology Letters, IEEE
