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Optical 2R regeneration using cascaded fiber four-wave mixing with suppressed spectral spread

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2 Author(s)
Yamashita, S. ; Dept. of Electron. Eng., Univ. of Tokyo, Japan ; Shahed, M.

A fiber four-wave mixing (FWM)-based all-optical reshaping and reamplifying (2R) regeneration technique with near-ideal step-like transfer function and suppressed spectral spread is proposed. By setting proper phase modulation conditions and wavelength relations in a two-stage cascaded FWM approach, we succeeded in nearly spectral-spread free 2R regeneration, and demonstration of improved performance for 10-Gb/s nonreturn-to-zero pseudorandom binary sequence data transmission.

Published in:

Photonics Technology Letters, IEEE  (Volume:18 ,  Issue: 9 )