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Proceedings Paper

Performance comparison of single carrier and OFDM in coherent optical long-haul communication systems
Author(s): Adriana Lobato; Maxim Kuschnerov; Alberto Diaz; Antonio Napoli; Bernhard Spinnler; Berthold Lankl
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Paper Abstract

We investigate the nonlinear tolerance of coherent detected 50 Gbit/s dual-polarization binary-phase-shift-keying (DPBPSK), 100 Gbit/s dual-polarization quaternary-phase-shift-keying (DP-QPSK), and 200 Gbit/s dual-polarization 16-ary quadrature amplitude modulation (DP-16-QAM) for single carrier with pulse shaping and orthogonal frequency division multiplexing (OFDM). The performance of these systems is compared and tested in two different scenarios: dispersion managed and unmanaged links. The results show that employing return-to-zero with 50 % of duty cycle (RZ50) as pulse shaping has a superior performance, especially in dispersion unmanaged links.

Paper Details

Date Published: 9 December 2011
PDF: 6 pages
Proc. SPIE 8309, Optical Transmission Systems, Subsystems, and Technologies IX, 83090B (9 December 2011); doi: 10.1117/12.904219
Show Author Affiliations
Adriana Lobato, Federal Armed Forces Univ. Munich (Germany)
Maxim Kuschnerov, Nokia Siemens Networks (Germany)
Alberto Diaz, Polytechnic Univ. of Catalonia (Spain)
Antonio Napoli, Nokia Siemens Networks (Germany)
Bernhard Spinnler, Nokia Siemens Networks (Germany)
Berthold Lankl, Federal Armed Forces Univ. Munich (Germany)

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

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