Experimental Verification of 400G 64QAM Using 4 Bits DACs Enabled by Digital Resolution Enhancer

Ginni Khanna,Yaron Yoffe,Erik De Man,Eyal Wohlgemuth,Bernhard Spinnler,Stefano Calabro,Antonio Napoli,Norbert Hanik,Dan Sadot

Experimental Verification of 400G 64QAM Using 4 Bits DACs Enabled by Digital Resolution Enhancer

2018

Ginni Khanna
Yaron Yoffe
Erik De Man
Eyal Wohlgemuth
Bernhard Spinnler
Stefano Calabro
Antonio Napoli
Norbert Hanik
Dan Sadot

Employing DACs with low resolution plays a significant role in reducing the transponder power consumption. We experimentally verified the benefit of a digital resolution enhancer by transmitting WDM 400G-64QAM using a 4 physical bits DAC over DCI distances.

Keywords:

Quadrature amplitude modulation
Transponder (aeronautics)
Electronic engineering
Engineering
Enhancer
Wavelength-division multiplexing
digital resolution
power consumption
low resolution

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