Title :
1 Gsymbol/s, 64 QAM coherent optical transmission over 150 km with a spectral efficiency of 3 bit/s/Hz
Author :
Hongou, Jumpei ; Kasai, Keisuke ; Yoshida, Masato ; Nakazawa, Masataka
Author_Institution :
Tohoku Univ., Sendai
Abstract :
A 1 Gsymbol/s, 64 QAM coherent signal was successfully transmitted over 150 k m using heterodyne detection with a frequency-stabilized fiber laser and an optical phase-locked-loop technique. The spectral efficiency reached as high as 3 bit/s/Hz.
Keywords :
fibre lasers; heterodyne detection; light transmission; optical fibre communication; optical phase locked loops; quadrature amplitude modulation; QAM coherent optical transmission; frequency-stabilized fiber laser; heterodyne detection; optical phase-locked-loop technique; spectral efficiency; Frequency; Optical attenuators; Optical feedback; Optical fiber polarization; Optical filters; Optical mixing; Optical modulation; Optical transmitters; Phase locked loops; Quadrature amplitude modulation;
Conference_Titel :
Optical Fiber Communication and the National Fiber Optic Engineers Conference, 2007. OFC/NFOEC 2007. Conference on
Conference_Location :
Anaheim, CA
Print_ISBN :
1-55752-831-4
DOI :
10.1109/OFC.2007.4348615
