Open AccessPulse shaping for 112 Gbit/s polarization multiplexed 16-QAM signals using a 21 GSa/s DAC
Author(s) -
J.C. Cartledge,
John D. Downie,
Jason Hurley,
Abdullah S. Karar,
Ying Jiang,
Kim Roberts
Publication year - 2011
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.19.00b628
Subject(s) - gigabit , optics , quadrature amplitude modulation , multiplexing , symbol rate , polarization division multiplexing , qam , pulse shaping , polarization (electrochemistry) , physics , bit error rate , computer science , electronic engineering , telecommunications , wavelength division multiplexing , laser , engineering , chemistry , decoding methods , wavelength
The implications of increasing the symbol rate for a given digital-to-analog converter (DAC) sampling rate are investigated by considering the generation of 112 Gbit/s PM 16-QAM signals (14 Gsym/s) using a 21 GSa/s DAC with 6-bit resolution.