Pulse shaping for 112 Gbit/s polarization multiplexed 16-QAM signals using a 21 GSa/s DAC

John C Cartledge; John D Downie; Jason E Hurley; Abdullah S Karar; Ying Jiang; Kim Roberts

doi:10.1364/OE.19.00B628

Pulse shaping for 112 Gbit/s polarization multiplexed 16-QAM signals using a 21 GSa/s DAC

Opt Express. 2011 Dec 12;19(26):B628-35. doi: 10.1364/OE.19.00B628.

Authors

John C Cartledge¹, John D Downie, Jason E Hurley, Abdullah S Karar, Ying Jiang, Kim Roberts

Affiliation

¹ Department of Electrical and Computer Engineering, Queen's University, Kingston, ON, K7L 3N6 Canada. john.cartledge@queensu.ca

PMID: 22274080
DOI: 10.1364/OE.19.00B628

Abstract

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.