Soliton interaction penalty reduction by receiver filtering
- 1 July 1998
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 10 (7) , 1042-1044
- https://doi.org/10.1109/68.681311
Abstract
We present the first detailed numerical study of the impact of receiver low-pass filtering in soliton interaction-limited communication systems. We propagate 40-Gb/s pseudorandom bit sequences (PRBS's) of 2/sup 8/-1 solitons up to one soliton collision distance (z/sub c/) and optimize the filter bandwidth to minimize the interaction induced eye opening penalty. The distance at 0.5-dB penalty is increased over 40% through filtering. The penalty is essentially pulsewidth independent when considering distances normalized by z/sub c/. We also show that PRBS's of at least 2/sup 8/-1 solitons are required to accurately simulate random data.Keywords
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