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Short Reach Communication Technologies for Client-side Optics beyond 400 Gbps
KTH Royal Institute of Technology, Sweden.ORCID iD: 0000-0003-4906-1704
RISE Research Institutes of Sweden.ORCID iD: 0000-0003-3754-0265
KTH Royal Institute of Technology, Sweden.
Riga Technical University, Latvia.
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2021 (English)In: IEEE Photonics Technology Letters, ISSN 1041-1135, E-ISSN 1941-0174, Vol. 33, no 18, p. 1046-1049Article in journal (Refereed) Published
Abstract [en]

Short reach optical communication technologies are increasingly demanded in several fast-evolving application scenarios in both telecom and datacom. Low-cost and low-complexity intensity modulation and direct detection (IM/DD) technologies are challenged to scale up the link rate beyond 400 Gbps by increasing the single-lane rate towards 200 Gbps, to maintain a low lane count in client-side optics. Limited by the bandwidth of both electronics and optoelectronics, and the more pronounced chromatic dispersion in the fiber, such high baud rate systems require the use of digital signal processing techniques with forward error correction (FEC) coding. Therefore, in this work, we first summarize a few potential alternative technologies to the IM/DD for future development and then focus on extending the IM/DD systems towards 200 Gbps lane rate. We study both their capability and their performance limits using numerical simulations and transmission experiments. CCBY

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers Inc. , 2021. Vol. 33, no 18, p. 1046-1049
Keywords [en]
Bandwidth, Dispersion, Intensity modulation, Modulation, Optical fiber communication, Optical fiber dispersion, Optical fiber filters, optical interconnections, Servers, Chromatic dispersion, Digital signal processing, Error correction, Alternative technologies, Application scenario, Communication technologies, Digital signal processing techniques, Forward error correction coding, Intensity modulation and direct detections, Optical communication technologies, Transmission experiments, Optical communication
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:ri:diva-53360DOI: 10.1109/LPT.2021.3078255Scopus ID: 2-s2.0-85105858370OAI: oai:DiVA.org:ri-53360DiVA, id: diva2:1557673
Available from: 2021-05-26 Created: 2021-05-26 Last updated: 2024-03-11Bibliographically approved

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Pang, XiaodanUdalcovs, AleksejsOzolins, Oskars

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RISE Research Institutes of SwedenIndustrial Systems
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