112 Gbit/s RF-assisted dual carrier DP-16-QAM transmitter using optical phase modulator Olsson, Bengt-Erik ; Djupsjöbacka, Anders ; Mårtensson, Jonas ; Alping, Arne Abstract Publication: Optics Express Pub Date: December 2011 DOI: 10.1364/OE.19.00B784 Bibcode: 2011OExpr..19B.784O