Experimental Demonstration of Constant-Envelope OFDM to Reduce Intermodulation Impairments and Increase Robustness Against Fiber Nonlinearities Article Swipe
Caio Santos
,
Vinícius Oliari
,
Hélder R. O. Rocha
,
María José Pontes
,
Marcelo E. V. Segatto
,
Chigo Okonkwo
,
Alex Alvarado
,
Jair A. L. Silva
·
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.1109/jlt.2022.3170864
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.1109/jlt.2022.3170864
Direct detection optical orthogonal frequency division multiplexing (DDO-OFDM) systems have been proposed as a well-suited solution for cost-sensitive applications, but also for metro/regional optical links. In this article, we experimentally demonstrate tolerance enhancements of constant-envelope OFDM (CE-OFDM) signals towards Mach–Zehnder modulator (MZM) intermodulation impairments and fiber nonlinear Kerr effects. The additional tolerance is achieved by the reduced peak-to-average power ratio (PAPR) of CE-OFDM signals, unlike conventional OFDM signals that inherently possess high PAPR values and therefore, are prone to distortions induced by the above-mentioned impairments. The experiments show that the transmission of CE-OFDM signals with PAPR =3 dB over 1000 km of dispersion-uncompensated standard single-mode fiber (SSMF) is successfully accomplished. The proper choice of the MZM bias point, as well as the electrical phase modulation index, provides link length enlargements at the same bit error rate. An enlargement around 320 km of SSMF was achieved with an optical launch power of 10 dBm and with a guard-band of ≈16% of the signal bandwidth when compared to conventional DDO-OFDM systems.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1109/jlt.2022.3170864
- OA Status
- gold
- Cited By
- 3
- References
- 31
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4285248396
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4285248396Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.1109/jlt.2022.3170864Digital Object Identifier
- Title
-
Experimental Demonstration of Constant-Envelope OFDM to Reduce Intermodulation Impairments and Increase Robustness Against Fiber NonlinearitiesWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2022Year of publication
- Publication date
-
2022-05-04Full publication date if available
- Authors
-
Caio Santos, Vinícius Oliari, Hélder R. O. Rocha, María José Pontes, Marcelo E. V. Segatto, Chigo Okonkwo, Alex Alvarado, Jair A. L. SilvaList of authors in order
- Landing page
-
https://doi.org/10.1109/jlt.2022.3170864Publisher landing page
- Open access
-
YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
- OA URL
-
https://research.tue.nl/en/publications/11024ded-ee5c-40be-8f78-a4c4deb22a2bDirect OA link when available
- Concepts
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Orthogonal frequency-division multiplexing, Intermodulation, Electronic engineering, Bit error rate, Multiplexing, Bandwidth (computing), Mathematics, Computer science, Physics, Optics, Telecommunications, Engineering, Amplifier, Channel (broadcasting)Top concepts (fields/topics) attached by OpenAlex
- Cited by
-
3Total citation count in OpenAlex
- Citations by year (recent)
-
2025: 2, 2022: 1Per-year citation counts (last 5 years)
- References (count)
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31Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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