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Article Dans Une Revue Optics Express Année : 2014

Phase regeneration of DPSK signals in a silicon waveguide with reverse-biased p-i-n junction

Résumé

Phase regeneration of differential phase-shift keying (DPSK) signals is demonstrated using a silicon waveguide as nonlinear medium for the first time. A p-i-n junction across the waveguide enables decreasing the nonlinear losses introduced by free-carrier absorption (FCA), thus allowing phase-sensitive extinction ratios as high as 20 dB to be reached under continuous-wave (CW) pumping operation. Furthermore the regeneration properties are investigated under dynamic operation for a 10-Gb/s DPSK signal degraded by phase noise, showing receiver sensitivity improvements above 14 dB. Different phase noise frequencies and amplitudes are examined, resulting in an improvement of the performance of the regenerated signal in all the considered cases.
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Dates et versions

hal-00952121 , version 1 (26-02-2014)

Identifiants

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Francesco da Ros, Dragana Vukovic, Andrzej Gajda, Kjeld Dalgaard, Lars Zimmermann, et al.. Phase regeneration of DPSK signals in a silicon waveguide with reverse-biased p-i-n junction. Optics Express, 2014, 22 (5), pp.5029-5036. ⟨10.1364/OE.22.005029⟩. ⟨hal-00952121⟩
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