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Photonics 2014, 1(2), 154-161; doi:10.3390/photonics1020154
Article

Polarization-Independent All-Optical Regenerator for DPSK Data

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Received: 30 January 2014 / Revised: 4 May 2014 / Accepted: 5 May 2014 / Published: 27 May 2014
(This article belongs to the Special Issue All Optical Networks for Communications)
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Abstract

We demonstrate polarization-independent simultaneous all-optical phase-preserving amplitude regeneration and wavelength conversion of NRZ differential phase shift keying (DPSK) data by four-wave mixing (FWM) in a semiconductor optical amplifier (SOA). The dependence upon polarization state of the signals is eliminated by using a co-polarized dual-pump architecture. Investigation on the regenerative capability vs. pumps detuning shows significant BER threshold margin improvement over 6 nm conversion range.
Keywords: semiconductor optical amplifiers; signal regeneration; DPSK modulation format; four-wave mixing semiconductor optical amplifiers; signal regeneration; DPSK modulation format; four-wave mixing
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Vercesi, V.; Porzi, C.; Contestabile, G.; Bogoni, A. Polarization-Independent All-Optical Regenerator for DPSK Data. Photonics 2014, 1, 154-161.

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