On the use of DFB lasers for coherent PON

On the use of DFB lasers for coherent PON

Some of the proposed NG-PON2 architectures encompass coherent receivers. In this scenario, we investigate the use of commercial DFB lasers, rather than more expensive ECL, showing negligible penalty for 40 Gbps PM-QPSK.

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Bibliographische Detailangaben
Hauptverfasser: Gaudino, R., Curri, V., Bosco, G., Rizzelli, G., Nespola, A., Zeolla, D., Straullu, S., Capriata, S., Solina, P.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Digital signal processing
Laser noise
Lasers
Optical polarization
Optical receivers
Phase noise
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Beschreibung
Zusammenfassung:Some of the proposed NG-PON2 architectures encompass coherent receivers. In this scenario, we investigate the use of commercial DFB lasers, rather than more expensive ECL, showing negligible penalty for 40 Gbps PM-QPSK.
DOI:10.1364/ofc.2012.oth4g.1