50-Gb/s 16 QAM by a quad-parallel Mach-Zehnder modulator
Conference: ECOC 2007 - 33rd European Conference and Exhibition of Optical Communication - Post-Deadline Papers
09/16/2007 - 09/20/2007 at Berlin, Germany
Proceedings: ECOC 2007
Pages: 2Language: englishTyp: PDFPersonal VDE Members are entitled to a 10% discount on this title
Sakamoto, Takahide; Chiba, Akito; Kawanishi, Tetsuya (National Institute of Information and Communications Technology, 4-2-1 Nukui-Kita, Koganei, Tokyo 184-8795, Japan)
We fabricated a high-speed quad-parallel Mach-Zehnder LiNbO3 modulator. 12.5-Gbaud (50-Gb/s), 16 QAM was demonstrated, where four binary data streams were electro-optically 16-QAM mapped over a single optical carrier by the superposition of two QPSKs.