Title :
Generation of a digitally shaped 55-GBd 64-QAM single-carrier signal using novel high-speed DACs
Author :
Randel, S. ; Corteselli, S. ; Winzer, P.J. ; Adamiecki, A. ; Gnauck, Alan ; Chandrasekhar, S. ; Bielik, A. ; Altenhain, L. ; Ellermeyer, T. ; Dumler, U. ; Langenhagen, H. ; Schmid, R.
Author_Institution :
Bell Labs., Alcatel-Lucent, Holmdel, NJ, USA
Abstract :
We present a novel 2-channel arbitrary waveform generator (AWG) prototype, generating complex signal constellations with 6-bit digital-to-analog conversion (DAC) of up to 72 GS/s at a 6-dB bandwidth of 23 GHz. We generate a 55-GBd root-raised cosine shaped single-carrier 64-QAM signal.
Keywords :
digital-analogue conversion; function generators; optical communication; optical harmonic generation; quadrature amplitude modulation; 2-channel arbitrary waveform generator prototype; 64-QAM single-carrier signal; AWG; DAC; digital-to-analog conversion; frequency 23 GHz; word length 6 bit; Bandwidth; Optical noise; Optical pulse shaping; Optical signal processing; Optical variables measurement; Signal to noise ratio; Synchronization;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2014
Conference_Location :
San Francisco, CA
Print_ISBN :
978-1-5575-2994-7
DOI :
10.1364/OFC.2014.M2A.3
