Title :
In-band FSK supervisory signaling between adaptive optical transceivers employing digital signal processing
Author :
Tanimura, Takahito ; Hoshida, Takeshi ; Nakashima, Hisao ; Akiyama, Yuichi ; Yan, Meng ; Tao, Zhenning ; Rasmussen, Jens C.
Author_Institution :
Fujitsu Labs. Ltd., Kawasaki, Japan
Abstract :
Digital-domain modulation and demodulation of FSK supervisory signal are demonstrated on 28 Gbaud 16QAM/QPSK adaptive transceivers. Unlike conventional AM pilot-tone approach, it requires no additional hardware and is immune to cross-gain modulation.
Keywords :
digital signal processing chips; frequency shift keying; optical transceivers; quadrature amplitude modulation; quadrature phase shift keying; 16QAM7QPSK adaptive optical transceiver; AM pilot-tone approach; cross-gain modulation; digital signal processing; digital-domain demodulation; digital-domain modulation; in-band FSK supervisory signaling; Channel capacity; Frequency shift keying; Optical transmitters; Phase shift keying; Transceivers;
Conference_Titel :
Optical Communication (ECOC), 2011 37th European Conference and Exhibition on
Conference_Location :
Geneva
Print_ISBN :
978-1-4577-1918-9
