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Field trial over 820km installed SSMF its potential Terabit/s super channel application with up to 57.5-Gbaud DP-QPSK transmission
Tianjin University, China; University College London, UK; KTH Royal Institute of Technology, Sweden.
RISE., Swedish ICT, Acreo.
RISE., Swedish ICT, Acreo. KTH Royal Institute of Technology, Sweden.
KTH Royal Institute of Technology, Sweden.
Vise andre og tillknytning
2015 (engelsk)Inngår i: Optics Communications, ISSN 0030-4018, E-ISSN 1873-0310, Vol. 353, s. 133-138Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

In this paper, we report the result of a field trial of 56-Gbaud (224-Gbit/s) and 57.5-Gbaud (230-Gbit/s) dual-polarization quadrature phase shift keying (DP-QPSK) coherent optical transmission over 820 km installed standard single mode fiber (SSMF). Offline digital signal processing (DSP) was applied for signal recovery and bit-error-rate (BER) counting in our field trial experiments, and BER performance well below the 7% overhead hard-decision forward error correction (FEC) error-free threshold (4.5×10−3) at 231-1 pseudo random bit sequence (PRBS) pattern length has been achieved, with the best achievable BERs of 2×10−4 (56-Gbaud) and 3×10−4 (57.5-Gbaud), respectively. In parallel a 1.15-Tbit/s (5×230-Gbit/s) quasi-Nyquist spaced wavelength division multiplexing (WDM) superchannel transmission over the same 820 km optical field link (FL) was also investigated through numerical simulations based on the same 57.5-Gbaud DP-QPSK signal using 1% roll-off Nyquist pulse shaping with 60-GHz channel spacing, and the results indicate that the BER performance well below the 7% overhead hard-decision FEC error-free threshold (4.5×10−3) for the 1.15-Tbit/s DP-QPSK superchannel transmission can be achieved.

sted, utgiver, år, opplag, sider
2015. Vol. 353, s. 133-138
Emneord [en]
Coherent optical transmission, Digital signal processing, Field trial, Optical fiber communication, Quadrature phase shift keying
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Identifikatorer
URN: urn:nbn:se:ri:diva-31906DOI: 10.1016/j.optcom.2015.05.029Scopus ID: 2-s2.0-84929997146OAI: oai:DiVA.org:ri-31906DiVA, id: diva2:1151764
Tilgjengelig fra: 2017-10-24 Laget: 2017-10-24 Sist oppdatert: 2023-05-09bibliografisk kontrollert

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