Title :
Pump-linewidth-tolerant optical data exchange between 16QAM and QPSK with 50-GHz channel-spacing using coherent DFB pump
Author :
Guo-Wei Lu ; Albuquerque, Andre ; Puttnam, B.J. ; Sakamoto, Takanori ; Drummond, Miguel ; Nogueira, Rogerio ; Kanno, Atsushi ; Shinada, S. ; Wada, N. ; Kawanishi, Tetsuyas
Author_Institution :
Nat. Inst. of Inf. & Commun. Technol. (NICT), Tokyo, Japan
Abstract :
We propose and experimentally demonstrate optical data exchange scheme between 16QAM and QPSK with narrow spacing of 50GHz. The use of coherent pump makes it free of phase noise from pumps, and enables the use of low-cost DFB as pump source.
Keywords :
distributed feedback lasers; optical information processing; optical pumping; quadrature amplitude modulation; quadrature phase shift keying; 16QAM; QPSK; channel spacing; coherent DFB pump; pump-linewidth-tolerant optical data exchange; Optical pumping; Optical signal processing; Optical wavelength conversion; Phase noise; Phase shift keying; Pump lasers;
Conference_Titel :
Optical Communication (ECOC), 2014 European Conference on
Conference_Location :
Cannes
DOI :
10.1109/ECOC.2014.6964158
