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Phase noise cancellation in coherent communication systems using a radio frequency pilot tone
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Xu, Tianhua, Jin, Cenqin, Zhang, Shuqing, Jacobsen, Gunnar, Popov, Sergei, Leeson, Mark S. and Liu, Tiegen (2019) Phase noise cancellation in coherent communication systems using a radio frequency pilot tone. Applied Sciences, 9 (21). 4717. doi:10.3390/app9214717
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WRAP-phase-noise-cancellation-coherent-communication-systems-using-radio-frequency-pilot-tone-Xu-2019.pdf - Published Version - Requires a PDF viewer. Available under License Creative Commons Attribution 4.0. Download (901Kb) | Preview |
Official URL: http://dx.doi.org/10.3390/app9214717
Abstract
Long-haul optical fiber communication employing digital signal processing (DSP)-based dispersion compensation can be distorted by the phenomenon of equalization-enhanced phase noise (EEPN), due to the reciprocities between the dispersion compensation unit and the local oscillator (LO) laser phase noise (LPN). The impact of EEPN scales increases with the increase of the fiber dispersion, laser linewidths, symbol rates, signal bandwidths, and the order of modulation formats. In this work, the phase noise cancellation (PNC) employing a radio frequency (RF) pilot tone in coherent optical transmission systems has been investigated. A 28-Gsym/s QPSK optical transmission system with a significant EEPN has been implemented, where the carrier phase recovery (CPR) was realized using the one-tap normalized least-mean-square (NLMS) estimation and the differential phase detection (DPD), respectively. It is shown that the RF pilot tone can entirely eliminate the LPN and efficiently suppress the EEPN when it is applied prior to the CPR.
| Item Type: | Journal Article | |||||||||
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| Subjects: | T Technology > TD Environmental technology. Sanitary engineering T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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| Divisions: | Faculty of Science > Engineering | |||||||||
| Library of Congress Subject Headings (LCSH): | Optical fiber communication , Noise control, Radio frequency | |||||||||
| Journal or Publication Title: | Applied Sciences | |||||||||
| Publisher: | MDPI | |||||||||
| ISSN: | 2076-3417 | |||||||||
| Official Date: | 5 November 2019 | |||||||||
| Dates: |
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| Date of first compliant deposit: | 7 November 2019 | |||||||||
| Volume: | 9 | |||||||||
| Number: | 21 | |||||||||
| Article Number: | 4717 | |||||||||
| DOI: | 10.3390/app9214717 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | Published | |||||||||
| Access rights to Published version: | Open Access | |||||||||
| RIOXX Funder/Project Grant: |
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