Title :
8-Gb/s-130 km transmission experiment using Er-doped fiber preamplifier and optical dispersion equalization
Author :
Gnauck, A.H. ; Giles, C.R. ; Cimini, L.J., Jr. ; Stone, J. ; Stulz, L.W. ; Korotky, S.K. ; Veselka, J.J.
Author_Institution :
AT&T Bell Labs., Holmdel, NJ, USA
Abstract :
The authors report an 8-Gb/s lightwave transmission system operating at 1.53- mu m wavelength through 130 km of single-mode fiber having a chromatic dispersion of zero at 1.3- mu m wavelength. A receiver sensitivity of -34.2 dBm (365 photons/bit) was achieved using an erbium-doped fiber preamplifier pumped at 980-nm wavelength. A sensitivity of -31.9 dBm (620 photons/bit) was reached by a preamplifier pumped at a 1480-nm wavelength. By employing a Ti:LiNbO/sub 3/ external modulator and a fiber Gires-Tournois interferometer to equalize fiber chromatic dispersion, the penalty for 130 km transmission was held to only 0.9 dB.<>
Keywords :
erbium; fibre lasers; optical communication equipment; optical dispersion; optical links; 1.3 micron; 1.53 micron; 130 km; 8 Gbit/s; 980 nm; Er-doped fiber preamplifier; LiNbO/sub 3/:Ti; chromatic dispersion; external modulator; fiber Gires-Tournois interferometer; optical dispersion equalization; optical pumping; receiver sensitivity; single-mode fiber; transmission experiment; Chromatic dispersion; Optical fiber devices; Optical fiber losses; Optical interferometry; Optical losses; Optical modulation; Optical pumping; Optical receivers; Optical sensors; Preamplifiers;
Journal_Title :
Photonics Technology Letters, IEEE
