Abstract

By transmitting 2¹³ bit pseudorandom word trains in a recirculating loop, we have demonstrated error-free (BER < 10^-10) soliton transmission over more than 15,000 km in a single channel at 5 Gbit/s and over more than 12,000 km at 10 Gbit/s in a two channel WDM.¹ These results were achieved with the use, in the loop, of a narrow-band, frequency guiding filter,^2,3 which serves to reduce both jitter in soliton pulse arrival times and soliton amplitude jitter. We have also performed careful measurements of the timing jitter itself, i.e., measurements that allow the jitter to be separated completely from the effects of energy errors. We see firm evidence that the jitter is caused in part by an acoustic interaction,⁴ in addition to the better known Gordon-Haus effect.

© 1992 Optical Society of America