1580-nm band, equally spaced 8 x 10 Gb/s WDM channel transmission over 360 km (3 x 120 km) of dispersion-shifted fiber avoiding FWM impairment

Author

Jinno, Masahiko ; Sakamoto, Tadashi ; Kani, Jun-Ich ; Aisawa, Sigeki ; Oda, Kazuhiro ; Fukui, Masaki ; Ono, Hirotaka ; Yamada, Makoto ; Oguchi, Kimio

Author_Institution

NTT Opt. Network Syst. Labs., Yokosuka, Japan

Volume

10

Issue

3

fYear

1998

fDate

3/1/1998 12:00:00 AM

Firstpage

454

Lastpage

456

Abstract

Optically repeated wavelength-division multiplexed (WDM) transmission over dispersion-shifted fibers (DSF´s) in the novel 1580-nm wavelength band is reported. WDM systems operating on DSFs are severely impaired by nonlinear crosstalk caused by four-wave mixing (FWM). We avoid this impairment by using novel 1580-nm band instead of the conventional 1550-nm band. Newly developed erbium-doped fiber amplifiers (EDFAs) for 1570-1600-nm wavelength band (gain-shifted EDFAs) are used as pre- and post amplifiers as well as in-line amplifiers. We demonstrate, for the first time, that long in-line amplifier span (120 km, span loss /spl sim/30 dB), high-bit rate (10 Gb/s), optically repeated WDM transmission over a 360 km (3/spl times/120 km) DSF is possible by using 1580-nm band channels without FWM impairment.

Keywords

fibre lasers; multiwave mixing; optical crosstalk; optical fibre communication; optical fibre dispersion; wavelength division multiplexing; 10 Gbit/s; 120 km; 1580 nm; 360 km; 80 Gbit/s; FWM impairment; band channels; dispersion-shifted fiber; equally spaced 8/spl times/10 Gb/s WDM channel transmission; erbium-doped fiber amplifiers; four-wave mixing; gain-shifted EDFA; high-bit rate; in-line amplifier span; nonlinear crosstalk; optically repeated WDM transmission; span loss; wavelength band; wavelength-division multiplexed; Erbium-doped fiber amplifier; Fiber nonlinear optics; Four-wave mixing; Optical amplifiers; Optical crosstalk; Optical fiber amplifiers; Optical losses; Optical mixing; Semiconductor optical amplifiers; Wavelength division multiplexing;

fLanguage

English

Journal_Title

Photonics Technology Letters, IEEE

Publisher

ieee

ISSN

1041-1135

Type

jour

DOI

10.1109/68.661441

Filename

661441