Concepedia

240-Gb/s polarization-multiplexed 64-QAM modulation and blind detection using PLC-LN hybrid integrated modulator and digital coherent receiver

Akihide Sano, Takayuki Kobayashi, Koichi Ishihara, Hiroji Masuda, Shuto Yamamoto, Kunihiko Mori, Etsushi Yamazaki, Eiji Yoshida, Yutaka Miyamoto, Takashi Yamada,

European Conference on Optical Communication · 2009 · 71 citations · 0 references

Concepts

EngineeringCommunicationElectrical EngineeringDigital CommunicationMicroelectronicsPhotonicsDigital Signal ProcessingModulationOptical ModulationOptical ModulatorsCoherent CommunicationCoherent DetectionIntegrated Optical ModulatorsModulation FormatsModulator DesignPhase ModulatorsQuadrature ModulatorsReceiver Design

Abstract

We demonstrate 240-Gb/s 64-QAM signal modulation and detection. 20-Gbaud 64-QAM signals are generated employing hybrid integration of silica PLCs and LiNbO 3 phase modulators, and demodulated with a digital coherent receiver without using any pilot signals.