Key Technologies in Fiber-optic Networks and Its Development Trend
It discussed the key enabling technologies in modern fiber-optic systems, especially the applications of digital signal processing (DSP) technologies for compensating the detrimental effects in the optical fiber. In particular, we showed how the advanced DSP techniques realize signal modulation and...
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| Main Authors: | , |
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| Format: | Article |
| Language: | zho |
| Published: |
Editorial Office of Control and Information Technology
2019-01-01
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| Series: | Kongzhi Yu Xinxi Jishu |
| Subjects: | |
| Online Access: | http://ctet.csrzic.com/thesisDetails#10.13889/j.issn.2096-5427.2019.01.200 |
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| Summary: | It discussed the key enabling technologies in modern fiber-optic systems, especially the applications of digital signal processing (DSP) technologies for compensating the detrimental effects in the optical fiber. In particular, we showed how the advanced DSP techniques realize signal modulation and channel compensation to deal with the interference and impairments in the fiber-optic systems. Moreover, this paper introduced a recently proposed orthogonal chirp-division multiplexing (OCDM) as an advanced modulation technique for fiber-optic systems. In virtue of its robustness against the system impairments and capability of utilizing single-tap frequency-domain equalization, the OCDM systems exhibit superior performance than orthogonal frequency-division multiplexing (OFDM) with similar system complexity. We discussed recent progress on OCDM in both the coherent lightwave system for long-haul transmission and the intensity-modulation and directed-detection systems for short-reach transmission. Most recent experimental results were also provided in comparison with the orthogonal frequency-division multiplexing (OFDM). |
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| ISSN: | 2096-5427 |