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Marked increase in the power margin through the use of a dispersion-allocated soliton

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4 Author(s)
Nakazawa, M. ; NTT Access Network Syst. Labs., Ibaraki, Japan ; Kubota, H. ; Sahara, A. ; Tamura, K.

It is shown for the first time that a dispersion-allocated soliton has a much larger power margin than an ordinary soliton with a uniform dispersion. When a soliton transmission line is dispersion-allocated, it is difficult for a high intensity pulse to evolve into a high-order soliton because of the phase mismatching. Thus, the high intensity soliton retains its waveform with its rather simple profile, and it is confirmed that even N=2-3 soliton power is applicable for communication use which means a power margin increase of 6-9.5 dB from the N=1 average soliton.

Published in:

Photonics Technology Letters, IEEE  (Volume:8 ,  Issue: 8 )