Digital Preemphasis in Optical Communication Systems: On the DAC Requirements for Terabit Transmission Applications

Next-generation coherent optical systems are geared to employ high-speed digital-to-analog converters (DAC), allowing for digital preprocessing of the signal and flexible optical transport networks. However, one of the major obstacles in such architectures is the limited resolution (less than 5.5 ef...

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Veröffentlicht in:	Journal of lightwave technology 2014-10, Vol.32 (19), p.3247-3256
Hauptverfasser:	Rafique, Danish, Napoli, Antonio, Calabro, Stefano, Spinnler, Bernhard
Format:	Artikel
Sprache:	eng
Schlagworte:	Bandwidth Noise Q-factor Quadrature amplitude modulation Receivers Transfer functions
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