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Receiver implemented RF pilot tone phase noise mitigation in coherent optical nPSK and nQAM systems
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Jacobsen, Gunnar, Xu, Tianhua, Popov, Sergei, Li, Jie, Friberg, Ari T. and Zhang, Yimo (2011) Receiver implemented RF pilot tone phase noise mitigation in coherent optical nPSK and nQAM systems. Optics Express, 19 (15). pp. 14487-14494. doi:10.1364/OE.19.014487
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Official URL: http://dx.doi.org/10.1364/OE.19.014487
Abstract
In this paper, a novel method for extracting an RF pilot carrier signal in the coherent receiver is presented. The RF carrier is used to mitigate the phase noise influence in n-level PSK and QAM systems. The performance is compared to the use of an (ideal) optically transmitted RF pilot tone. As expected an electronically generated RF carrier provides less efficient phase noise mitigation than the optical RF. However, the electronically generated RF carrier still improves the phase noise tolerance by about one order of magnitude in bit error rate (BER) compared to using no RF pilot tone. It is also found, as a novel study result, that equalization enhanced phase noise - which appears as correlated pure phase noise, amplitude noise and time jitter - cannot be efficiently mitigated by the use of an (optically or electrically generated) RF pilot tone.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||
| Divisions: | Faculty of Science > Engineering | ||||
| Library of Congress Subject Headings (LCSH): | Phase shift keying, Amplitude modulation, Optical fiber communication | ||||
| Journal or Publication Title: | Optics Express | ||||
| Publisher: | Optical Society of America | ||||
| ISSN: | 1094-4087 | ||||
| Official Date: | 2011 | ||||
| Dates: |
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| Date of first compliant deposit: | 17 November 2017 | ||||
| Volume: | 19 | ||||
| Number: | 15 | ||||
| Page Range: | pp. 14487-14494 | ||||
| DOI: | 10.1364/OE.19.014487 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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