Simplified digital coherent-based beyond-100G optical access systems for B5G/6G [Invited]

Suzuki, N.; Miura, Hiroshi; Mochizuki, Kimihiro; Matsuda, Keisuke

doi:10.1364/jocn.438884

Cited by 28 publications

(5 citation statements)

References 27 publications

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“…In the longer term, a coherent PON needs to be developed to further upgrade the PON bandwidth beyond the capabilities of IM/DD. For cost-effectiveness, reduced coherent DSP complexity compared to DSP for long haul coherent transmission has been proposed for PON in, for example, [263]. A scheme based on Alamouti coding to reduce complexity of a coherent ONU receiver has been proposed in [264].…”

Section: Advances In Science and Technology To Meet Challengesmentioning

confidence: 99%

Roadmap on optical communications

Agrell,

Karlsson,

Poletti

et al. 2024

J. Opt.

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The Covid-19 pandemic showed forcefully the fundamental importance broadband data communication and the internet has in our society. Optical communications forms the undisputable backbone of this critical infrastructure, and it is supported by an interdisciplinary research community striving to improve and develop it further. Since the first ‘Roadmap of optical communications’ was published in 2016, the field has seen significant progress in all areas, and time is ripe for an update of the research status. The optical communications area has become increasingly diverse, covering research in fundamental physics and materials science, high-speed electronics and photonics, signal processing and coding, and communication systems and networks. This roadmap describes state-of-the-art and future outlooks in the optical communications field. The article is divided into 20 sections on selected areas, each written by a leading expert in that area. The sections are thematically grouped into four parts with 4–6 sections each, covering, respectively, hardware, algorithms, networks and systems. Each section describes the current status, the future challenges, and development needed to meet said challenges in their area. As a whole, this roadmap provides a comprehensive and unprecedented overview of the contemporary optical communications research, and should be essential reading for researchers at any level active in this field.

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Section: Advances In Science and Technology To Meet Challengesmentioning

confidence: 99%

Roadmap on optical communications

Agrell,

Karlsson,

Poletti

et al. 2024

J. Opt.

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show abstract

“…DSP technologies for coherent PON systems include simplified IQ imbalance compensation, adaptive equalization, clock recovery, polarization de-multiplexing, carrier frequency offset, and phase offset estimation schemes. In addition, in the upstream direction, the data flow of the coherent NG-PON system has a burst mode [45][46][47][48][49][50][51][52][53][54]. Particularly in the NG-PON with SOA transmission, the inherent large dynamic range (DR) of the burst-mode signaling is 19.5 dB [55].…”

Section: Beyond-100g Ng-pon Physical Layer Technologymentioning

confidence: 99%

Key Technologies for a Beyond-100G Next-Generation Passive Optical Network

Feng,

Ma,

Zhang

et al. 2023

Photonics

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The explosive development of emerging telecommunication services has stimulated a huge growth in bandwidth demand as people seek universal access to telecommunication networks. In addition, the kinds of services of an existing optical access network are becoming more flexible. In order to provide higher capacity and meet higher transmission performance requirements, it is necessary to further explore the application of the beyond-100G passive optical network (PON). This paper offers a comprehensive review and outline of the prospects of technologies for bringing a beyond-100G PON to practical applications in the future. We review the current existing technologies, mainly in terms of the physical layer and higher media access control layer. These key technologies for the beyond-100G PON, which plays an increasingly significant role, include the advanced multiplexing technology, physical layer digital signal processing technology, infrastructure-sharing technology, security protection technology, and intelligent control management key technologies. Finally, open issues and new challenges for the next-generation PON are focused upon.

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“…DSP techniques for coherent PON systems include simplified IQ imbalance compensation, adaptive equalization, clock recovery schemes, polarization de-multiplexing, carrier frequency offset and phase offset estimation. In addition, the upstream coherent NG-PON optical communication system has a burst mode of data flow [49][50][51][52][53][54][55][56][57][58]. Therefore, burst mode data transmission faces a major challenge in electronic design.…”

Section: Beyond 100g Ng-pon Physical Layer Technologymentioning

confidence: 99%

Key Technologies for Beyond 100G Next Generation Passive Optical Network

Feng,

Ma,

Zhang

et al. 2023

Preprint

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In order to provide high capacity and universal access of telecommunication networks, this paper reviews and prospects the advanced multiplexing technology, physical layer digital signal processing technology, infrastructure sharing technology, security protection technology, intelligent control management and other key technologies for beyond 100G next generation passive optical network (NG-PON).

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Simplified digital coherent-based beyond-100G optical access systems for B5G/6G [Invited]

Cited by 28 publications

References 27 publications

Roadmap on optical communications

Roadmap on optical communications

Key Technologies for a Beyond-100G Next-Generation Passive Optical Network

Key Technologies for Beyond 100G Next Generation Passive Optical Network

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