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All-optical regenerator using wavelength shift induced by cross-phase modulation in highly nonlinear dispersion-shifted fiber

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5 Author(s)
Suzuki, J. ; Res. Center for Adv. Sci. & Technol., Univ. of Tokyo, Japan ; Tanemura, T. ; Taira, K. ; Ozeki, Y.
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We propose and demonstrate a novel fiber-based all-optical regenerator, where the wavelength shift induced by cross-phase modulation is employed for level discrimination. Regeneration of a 10-Gb/s signal using the proposed scheme improves the Q-factor by 1.8 dB. The scheme is stable and robust against changes in environmental conditions.

Published in:

Photonics Technology Letters, IEEE  (Volume:17 ,  Issue: 2 )