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Proceedings Paper

40G transmission with spectral efficiency up to 3.2 bits/s/Hz
Author(s): D. Foursa
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Paper 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.

Paper Details

Date Published: 14 December 2011
PDF: 6 pages
Proc. SPIE 8309, Optical Transmission Systems, Subsystems, and Technologies IX, 83091Y (14 December 2011); doi: 10.1117/12.904064
Show Author Affiliations
D. Foursa, Tyco Electronics Subsea Communications (United States)


Published in SPIE Proceedings Vol. 8309:
Optical Transmission Systems, Subsystems, and Technologies IX
Xiang Liu, Editor(s)

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