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Spectrally-efficient 168 Gb/s/λ WDM 64-QAM single-sideband Nyquist-subcarrier modulation with Kramers-Kronig direct-detection receivers
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Liu, Zhe , Erkılınç , M. Sezer , Shi, Kai, Sillekens, Eric, Galdino, Lidia, Xu, Tianhua, Thomsen, Benn C., Bayvel, Polina and Killey, Robert I. (2018) Spectrally-efficient 168 Gb/s/λ WDM 64-QAM single-sideband Nyquist-subcarrier modulation with Kramers-Kronig direct-detection receivers. IEEE Journal of Lightwave Technology, 36 (6). pp. 1340-1346. doi:10.1109/JLT.2017.2785858 ISSN 0733-8724.
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WRAP-spectrally-efficient-modulation-Kramers-Kronig-direct-receivers -Xu-2018.pdf - Accepted Version - Requires a PDF viewer. Download (1678Kb) | Preview |
Official URL: http://doi.org/10.1109/JLT.2017.2785858
Abstract
Due to their simple and cost-effective transceiver architecture, single-polarization and single-photodiode based direct-detection (DD) systems offer advantages for metropolitan area network and data-center interconnect applications. Single-sideband subcarrier modulation (SSB SCM) signaling with direct detection has the potential to achieve high information spectral density (ISD) but its performance can be significantly degraded by signal-signal beat interference (SSBI). The recently proposed Kramers-Kronig (KK) digital signal processing (DSP) scheme is effective in eliminating the SSBI penalty. Through the use of the KK scheme, we achieved 4 × 168 Gb/s wavelength division multiplexing DD SSB 64-QAM Nyquist-SCM signal transmission over 80 km of uncompensated standard single-mode fiber at a net ISD of up to 4.61 (b/s)/Hz. The joint optimization of the optical carrier-to-signal power ratio (CSPR) and the KK algorithm sampling rate is described.
| Item Type: | Journal Article | ||||||||
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| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||
| Library of Congress Subject Headings (LCSH): | Signal processing -- Digital techniques, Wavelength division multiplexing | ||||||||
| Journal or Publication Title: | IEEE Journal of Lightwave Technology | ||||||||
| Publisher: | IEEE | ||||||||
| ISSN: | 0733-8724 | ||||||||
| Official Date: | 15 March 2018 | ||||||||
| Dates: |
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| Volume: | 36 | ||||||||
| Number: | 6 | ||||||||
| Page Range: | pp. 1340-1346 | ||||||||
| DOI: | 10.1109/JLT.2017.2785858 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||
| Date of first compliant deposit: | 4 January 2018 | ||||||||
| Date of first compliant Open Access: | 4 January 2018 | ||||||||
| RIOXX Funder/Project Grant: |
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