Title :
512 QAM (54 Gbit/s) coherent optical transmission over 150 km with an optical bandwidth of 4.1 GHz
Author :
Okamoto, Seiji ; Toyoda, Kazushi ; Omiya, Tatsunori ; Kasai, Keisuke ; Yoshida, Masato ; Nakazawa, Masataka
Author_Institution :
Res. Inst. of Electr. Commun., Tohoku Univ., Sendai, Japan
Abstract :
We report the first demonstration of 512 QAM coherent optical transmission by using an optical PLL. A polarisation-multiplexed 54 Gbit/s data signal was successfully transmitted at 3 Gsymbol/s with an optical bandwidth of 4.1 GHz including a tone signal.
Keywords :
multiplexing; optical fibre polarisation; optical phase locked loops; quadrature amplitude modulation; QAM coherent optical transmission; bandwidth 4.1 GHz; bit rate 54 Gbit/s; optical PLL; optical bandwidth; polarisation-multiplexed data signal; tone signal; Optical amplifiers; Optical fibers; Optical filters; Optical polarization; Optical receivers; Quadrature amplitude modulation;
Conference_Titel :
Optical Communication (ECOC), 2010 36th European Conference and Exhibition on
Conference_Location :
Torino
Print_ISBN :
978-1-4244-8536-9
Electronic_ISBN :
978-1-4244-8534-5
DOI :
10.1109/ECOC.2010.5621378
