Title :
40G transmission with spectral efficiency up to 3.2 bits/s/Hz
Author_Institution :
TE Connectivity SubCom, Eatontown, NJ, USA
Abstract :
An experimental study of the reach of coherent 40 Gb/s PDM RZ QPSK transmission on two different testbeds at several spectral efficiencies is presented. Performance using differential phase detection (DQPSK), differential coding (DCQPSK) and absolute phase detection (QPSK) in digital processing is investigated. The system reach at spectral efficiency of ≥1.2 bits/s/Hz is investigated on a transmission path made up of large effective area fiber with no optical dispersion compensation. Transpacific transmission distance at 3.2 bits/s/Hz and record SE-distance product at 2.4 bits/s/Hz are demonstrated.
Keywords :
optical fibre communication; optical modulation; phase detectors; quadrature phase shift keying; 40G transmission; SE-distance product; absolute phase detection; bit rate 40 Gbit/s; coherent PDM RZ QPSK transmission; differential coding; differential phase detection; digital processing; spectral efficiencies; spectral efficiency; transmission path; transpacific transmission distance; Abstracts; Optical sensors; Silicon; 40 Gb/s; Coherent detection; High spectral efficiency; Offline digital processing; QPSK; Ultra long haul transmission; fiber optics communications;
Conference_Titel :
Communications and Photonics Conference and Exhibition, 2011. ACP. Asia
Conference_Location :
Shanghai
Print_ISBN :
978-0-8194-8961-6
