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Field trial over 820km installed SSMF and its potential Terabit/s superchannel application with up to 57.5-Gbaud DP-QPSK transmission
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Xu, Tianhua, Li, Jie, Jacobsen, Gunnar, Popov, Sergei, Djupsjöbacka, Anders, Schatz, Richard, Zhang, Yimo and Bayvel, Polina (2015) Field trial over 820km installed SSMF and its potential Terabit/s superchannel application with up to 57.5-Gbaud DP-QPSK transmission. Optics Communications, 353 . pp. 133-138. doi:10.1016/j.optcom.2015.05.029
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Official URL: http://dx.doi.org/10.1016/j.optcom.2015.05.029
Abstract
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.
| Item Type: | Journal Article | ||||||||||||
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| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||||||||||
| Divisions: | Faculty of Science > Engineering | ||||||||||||
| Library of Congress Subject Headings (LCSH): | Phase shift keying, Fiber optics, Wavelength division multiplexing | ||||||||||||
| Journal or Publication Title: | Optics Communications | ||||||||||||
| Publisher: | Elsevier BV * North Holland | ||||||||||||
| ISSN: | 0030-4018 | ||||||||||||
| Official Date: | 16 May 2015 | ||||||||||||
| Dates: |
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| Volume: | 353 | ||||||||||||
| Page Range: | pp. 133-138 | ||||||||||||
| DOI: | 10.1016/j.optcom.2015.05.029 | ||||||||||||
| Status: | Peer Reviewed | ||||||||||||
| Publication Status: | Published | ||||||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||||||
| Funder: | Knut och Alice Wallenbergs Stiftelse (Sweden), Engineering and Physical Sciences Research Council (EPSRC), Seventh Framework Programme (European Commission) (FP7) | ||||||||||||
| Grant number: | EP/J017582/1 (EPSRC), GRIFFON, No. 324391 (FP7) | ||||||||||||
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