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

被引：3
|
作者：
Lobato, Adriana [1 ]
Kuschnerov, Maxim [2 ]
Diaz, Alberto [3 ]
Napoli, Antonio [2 ]
Spinnler, Bernhard [2 ]
Lankl, Berthold [1 ]
机构：
[1] Fed Armed Forces Univ Munich, D-85577 Neubiberg, Germany
[2] Nokia Siemens Networks, D-81541 Munich, Germany
[3] Univ Politecn Cataluna, Barcelona 08034, Spain
来源：
2011 ASIA COMMUNICATIONS AND PHOTONICS CONFERENCE AND EXHIBITION (ACP) | 2012年
关键词：
Coherent detection; Return-to-zero with 50 % of duty cycle (RZ50); non-return-to-zero (NRZ); root raised-cosine filter (RRC); orthogonal frequency division multiplexing (OFDM); wavelength division multiplexing (WDM); CHROMATIC DISPERSION;
D O I：
10.1117/12.904219
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We investigate the nonlinear tolerance of coherent detected 50 Gbit/s dual-polarization binary-phase-shift-keying (DP-BPSK), 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.
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收藏
页数：6
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