QPSK phase-regeneration in a silicon waveguide using phase-sensitive processing

Sackey, I.I.SackeyLiebig, E.E.LiebigRichter, T.T.RichterGajda, A.A.GajdaZimmermann, L.L.ZimmermannPetermann, K.K.PetermannSchubert, C.C.Schubert2022-03-132022-03-132016https://publica.fraunhofer.de/handle/publica/4008532-s2.0-85018957772We present an in-line 4-level phase-regenerator which utilizes phase-sensitive amplification in a silicon waveguide with reverse-biased p-i-n junction. Phase noise reduction is investigated for a QPSK signal in a 1,040-km dispersion-managed link.en621QPSK phase-regeneration in a silicon waveguide using phase-sensitive processingconference paper