Reduction of XPM penalty by sub-bit delay demodulation of DQPSK

Reduction of XPM penalty by sub-bit delay demodulation of DQPSK

We show that using a shortened delay in the demodulator for DQPSK channels can significantly reduce the XPM penalties caused by transmitting 40 Gb/s DQPSK channels alongside 10 Gb/s OOK channels.

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Bibliographische Detailangaben
Hauptverfasser: Govan, D S, Garrett, B, Doran, N J
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Bandwidth
Delay
Demodulation
Differential quadrature phase shift keying
Filtering
Filters
Phase modulation
Phase noise
Polarization mode dispersion
Transmitters
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Beschreibung
Zusammenfassung:We show that using a shortened delay in the demodulator for DQPSK channels can significantly reduce the XPM penalties caused by transmitting 40 Gb/s DQPSK channels alongside 10 Gb/s OOK channels.
DOI:10.1364/OFC.2010.OThE4