16-QAM Transmitter using Monolithically Integrated Quad Mach-Zehnder IQ Modulator
FREE-DOWNLOAD GW Lu, T Sakamoto, A Chiba… – … and exhibition on …, 2010
Multi-level or multi-carrier modulation formats such as quadrature amplitude modulation
(QAM) and orthogonal frequency division multiplexing (OFDM) are becoming promising technology
to support high capacity and high spectral efficiency in future optical transmission