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Reshaping capability of cross-gain compression in semiconductor amplifiers

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4 Author(s)
Contestabile, G. ; Scuola Superiore Sant''Anna, Pisa, Italy ; Proietti, R. ; Calabretta, N. ; Ciaramella, E.

We introduce and experimentally demonstrate a novel scheme for all-optical regeneration. We exploit the reshaping properties of cross-gain compression between two logically inverted signals in a gain-saturated semiconductor optical amplifier. This technique performs wavelength-preserving signal reshaping and produces, as an additional output, a wavelength-converted copy of the input signal. We report experimental results showing apparent improvement of the eye diagrams and of the bit-error rate for degraded 10-Gb/s signals.

Published in:

Photonics Technology Letters, IEEE  (Volume:17 ,  Issue: 12 )