Title :
Spectrally efficient QPSK homodyne detection using a pilot carrier beyond 1 bit/s/Hz
Author :
Miyazaki, Tetsuya
Author_Institution :
National Inst. of Information & Commun. Technol., Tokyo, Japan
Abstract :
Spectrally efficient QPSK self-homodyne detection using a pilot-carrier at 20 Gbit/s was successfully demonstrated. Error-free operation (log(BER) < -9) was confirmed at a spectral efficiency beyond 1 bit/s/Hz without using an optical phase-locked loop.
Keywords :
error statistics; homodyne detection; optical fibre communication; optical modulation; quadrature phase shift keying; 20 Gbit/s; BER; QPSK self-homodyne detection; spectral efficiency;
Conference_Titel :
Optical Communication, 2005. ECOC 2005. 31st European Conference on
Conference_Location :
IET
Print_ISBN :
0-86341-543-1
