114 Space-Division-Multiplexed Transmission over 9.8-km Weakly-Coupled-6-Mode Uncoupled-19-Core Fibers

Igarashi, Koji; Souma, Daiki; Wakayama, Yuta; Takeshima, Koki; Yu, Kyoungsik; Tsuritani, Takehiro; Morita, Itsuro; Suzuki, Masatoshi

doi:10.1364/ofc.2015.th5c.4

Cited by 92 publications

(39 citation statements)

References 2 publications

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“…SM-MCF is much easier to achieve large capacity/longdistance transmission because single-mode propagation is stable and the increase in the core number directly reflects on the total capacity [20,21,22,23,24]. FM-MCF has a considerable potential of providing ultimate capacity and spatial channel counts [25,26,27,28,29,30]; however, the transmission system tends to be complex. In particular, the extension of fiber length and transmission distance is a severe issue.…”

Section: Fibers For Sdmmentioning

confidence: 99%

Review of Space-Division Multiplexing Technologies in Optical Communications

Awaji¹

2019

IEICE Trans. Commun.

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SUMMARYThe potential transmission capacity of a standard single-mode fiber peaks at around 100 Tb/s owing to fiber nonlinearity and the bandwidth limitation of amplifiers. As the last frontier of multiplexing, space-division multiplexing (SDM) has been studied intensively in recent years. Although there is still time to deploy such a novel fiber communication infrastructure; basic research on SDM has been carried out. Therefore, a comprehensive review is worthwhile at this time toward further practical investigations.

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Section: Fibers For Sdmmentioning

confidence: 99%

Review of Space-Division Multiplexing Technologies in Optical Communications

Awaji¹

2019

IEICE Trans. Commun.

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“…FM-MCF has increased capacity by a factor of = (#cores) * (#modes), and when combined with Dense WDM, transmission capacity can even reach 255Tbps [40]. Remarkable advances realized lately on the area are: a heterogeneous 3-mode (LP01, 11,21) 36-core fiber that supports 108 spatial modes [41] and a 6-mode (LP01, 11a, 11b, 21a, 21b, 02) 19-core fiber that supports 114 spatial modes [42]. According to [43] more than 300 of FM-MCF channels can theoretically be supported.…”

Section: Few-mode Multi-core Fiber (Fm-mcf)mentioning

confidence: 99%

Survey and Evaluation of Space Division Multiplexing: From Technologies to Optical Networks

Saridis

Alexandropoulos

Zervas

et al. 2015

IEEE Commun. Surv. Tutorials

292

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Single Mode Fiber's physical capacity boundaries will soon be reached, so alternative solutions are much needed to overcome the multiplying and remarkably large bandwidth requests. Space division multiplexing (SDM) using multicore fibers (MCF), multi-element fibers (MEF), multimode fibers (MMF) and their combination; fewmode multicore fibers (FM-MCF) or fibers based on orbital angular momentum (OAM), are considered to be the propitious stepping-stones to overcome the capacity crunch of conventional single-core fibers. We critically review research progress on SDM fibers and network components and we introduce two figures of merit (FoM) aiming in quantitative evaluation of technologies such as amplifiers, fanin/fan-out multiplexers, transmitters, switches, SDM nodes. Results show that SDM fibers achieve an 1185fold (18-fold) Spectral-Spatial Efficiency increase compared to the 276-SMF bundle (single-core fiber) currently installed on the ground. In addition, an analysis of crosstalk in MCFs shows how SDM concepts can be exploited further to fit in various optical networks, such as core, metro and especially future intra-datacenter optical interconnects. Finally, research challenges and future directions are discussed.reinforce diverse future optical network types, such as datacenters and metro/core networks, are demonstrated. Furthermore, we critically review other major networking aspects considering SDM network and node concepts and components, such as SDM Reconfigurable Optical Add/Drop Multiplexers (ROADMs), Self-homodyne detection and Multiple Input Multiple Output -Digital Signal Processing (MIMO-DSP) on SDM receivers, routing and core allocation complexity in MCFs as well as multidimensionality and granularity in switching. A study on the inter-core crosstalk interference constraint of MCFs for SDM networks is included. The outcomes of our analysis are specific MCF design rules considering the crosstalk vs fiber core-pitch relation and network link distance with regards to the end application; i.e. 10m to 1km for Intra-DC or tens to hundreds of kilometers for metro/core networks. Different network classes are examined in the light of the outcomes of this analysis, resulting in a complete report on the challenges and the role of SDM in future high-capacity scalable optical networks. Finally, section V discusses challenges, potential use-cases and future directions of SDM.

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“…In recent years, the space division multiplexing technologies, such as few mode or multi-core multiplexing based methods, have been proposed to increase the transmission capacity per fiber [2]- [8]. However, few mode fiber and multi-core fiber are specially designed fiber, which means that these fibers are not costeffective, compared to the standard MMF.…”

Section: Introductionmentioning

confidence: 99%

40 Gb/s Mode-Division Multiplexed DD-OFDM Transmission Over Standard Multi-Mode Fiber

Luo

Shu

et al. 2016

IEEE Photonics J.

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A 40 Gb/s mode-division multiplexed (MDM) direct detection optical frequencydivision multiplexing signal transmission over standard multimode OM3 fiber (MMF) has been demonstrated in this paper. Error-free unidirectional and bidirectional transmissions over 200-m standard MMF under the forward error control (FEC)-limit can be realized. Advanced digital signal processing algorithms based on directed-detection techniques using single photodiodes have also been studied to eliminate the crosstalk and improve the performance of MDM systems.

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114 Space-Division-Multiplexed Transmission over 9.8-km Weakly-Coupled-6-Mode Uncoupled-19-Core Fibers

Cited by 92 publications

References 2 publications

Review of Space-Division Multiplexing Technologies in Optical Communications

Review of Space-Division Multiplexing Technologies in Optical Communications

Survey and Evaluation of Space Division Multiplexing: From Technologies to Optical Networks

40 Gb/s Mode-Division Multiplexed DD-OFDM Transmission Over Standard Multi-Mode Fiber

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