Performance comparison of single carrier and OFDM in coherent optical long-haul communication systems

Adriana Lobato; Maxim Kuschnerov; Alberto Diaz; Antonio Napoli; Bernhard Spinnler; Berthold Lankl

doi:10.1117/12.904219

9 December 2011 Performance comparison of single carrier and OFDM in coherent optical long-haul communication systems

Adriana Lobato, Maxim Kuschnerov, Alberto Diaz, Antonio Napoli, Bernhard Spinnler, Berthold Lankl

Proceedings Volume 8309, Optical Transmission Systems, Subsystems, and Technologies IX; 83090B (2011) https://doi.org/10.1117/12.904219
Event: SPIE/OSA/IEEE Asia Communications and Photonics, 2011, Shanghai, China

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.

Citation Download Citation

Adriana Lobato, Maxim Kuschnerov, Alberto Diaz, Antonio Napoli, Bernhard Spinnler, and Berthold Lankl "Performance comparison of single carrier and OFDM in coherent optical long-haul communication systems", Proc. SPIE 8309, Optical Transmission Systems, Subsystems, and Technologies IX, 83090B (9 December 2011); https://doi.org/10.1117/12.904219

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