Synchronous QPSK transmission at 1.6 Gbit/s with standard DFB lasers and real-time digital receiver

• DOI: 10.1049/el:20062108
• Publication Date: 2006-09-29T22:44:15Z
• Authors: T. Pfau; S. Hoffmann; R. Peveling; S. Ibrahim; O. Adamczyk; M. Porrmann; S. Bhandare; R. Noé; Y. Achiam
• Keywords: 0202 electrical engineering, electronic engineering, information engineering; 02 engineering and technology

In a coherent and synchronous QPSK system with real-time data recovery and standard DFB lasers a data throughput of 1.6 Gbit/s is achieved, faster than ever reported. After 63 km of fibre the BER is well below the FEC threshold.