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Mode-multiplexed transmission over conventional graded-index multimode fibers
2015
Optics Express
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Six spatial mode transmission over graded-index multimode fiber We also performed mode-multiplexed transmission over conventional graded index MMF using 6 spatial modes. ...
Abstract: We present experimental results for combined modemultiplexed and wavelength multiplexed transmission over conventional graded-index multimode fibers. ...
Mode groups in graded-index multimode fibersFig. 1. a) Exemplary index profile of a graded index multimode fiber. b) Relation between LP modes, spatial modes and mode groups in multimode fibers. c) Mode ...
doi:10.1364/oe.23.000235
pmid:25835670
fatcat:pf5c4vm3kvdhjokofrrdnvoydy
High-capacity dense space division multiplexing transmission
2017
Optical fiber technology (Print)
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Keywords: Optical fiber communications Dense space division multiplexing (DSDM) Multicore fiber (MCF) Multimode fiber (MMF) High-capacity transmission Long-haul transmission a b s t r a c t In this paper ...
Various types of multicore and multimode SDM fibers, amplification, and spatial multi/ demultiplexers have helped achieve high-capacity DSDM transmission. ...
The capacity per core in a multimode transmission also increased from the previous maximum of 57.6 Tb/s over a 119 km span of 3-mode FMF [24] to the current 115.2 Tb/s using 10-mode multiplexing over ...
doi:10.1016/j.yofte.2016.09.015
fatcat:xcoatnke55hhrprl2o53lhrd24
Nonlinear impairment scaling with the number of mode groups in mode-multiplexed transmission over a 50 µm multimode fiber
2018
Optics Express
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We numerically investigate the impact of nonlinear effects in mode-multiplexed transmission over a 50 µm graded-index multimode fiber. ...
Such a fiber supports 36 spatial modes, well suited for a mode-multiplexed transmission. ...
Acknowledgments The authors are grateful for the donation of a Tesla K40c GPU by NVIDIA through the GPU Grant program, used for this research. ...
doi:10.1364/oe.26.016393
pmid:30119471
fatcat:7zctklerqbfapeofq3cocz6iqu
Breakthroughs in Photonics 2012: Space-Division Multiplexing in Multimode and Multicore Fibers for High-Capacity Optical Communication
2013
IEEE Photonics Journal
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We discuss SDM fibers, recent SDM transmission experiments, subsystems suitable for SDM systems, as well as integrated components able to manipulate multiple spatial modes within a single optical device ...
We summarize the latest advances in space-division multiplexing (SDM) for increasing the capacity per fiber strand. ...
Winzer, A. R. Chraplyvy, A. H. Gnauck, S. Chandrasekhar, X. Liu, C. Xie, and many others. ...
doi:10.1109/jphot.2013.2253091
fatcat:lkxghrlum5haxknapzwlhw5z7q
Impact of fiber core diameter on dispersion and multiplexing in multimode-fiber links
2014
Optics Express
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In this paper, we describe a simulation based approach to characterize the tradeoffs between fiber diameter, achievable data rates and alignment tolerances of coherent links that employ graded-index multimode ...
While fibers with larger core diameters possess a larger number of spatial modes, they do not support data rates as high as few-mode fibers. ...
However, the focus of this paper is restricted to spatial multiplexing over the modes of silica multimode fibers. ...
doi:10.1364/oe.22.017158
pmid:25090530
fatcat:wfj6qbor4zgefnvgxgllyi3pl4
Nonlinear Propagation in Multimode and Multicore Fibers: Generalization of the Manakov Equations
2013
Journal of Lightwave Technology
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This paper starts by an investigation of nonlinear transmission in space-division multiplexed (SDM) systems using multimode fibers exhibiting a rapidly varying birefringence. ...
We first investigate a reference case where linear coupling among the spatial modes of the fiber is weak and after averaging over birefringence fluctuations, we obtain new Manakov equations for multimode ...
Recently, multimode fibers have become the focus of attention [6] , [7] ; they permit multiplexing over different spatial modes of the same fiber through space-division multiplexing (SDM). ...
doi:10.1109/jlt.2012.2231401
fatcat:uvvbpw2feng4hli6onmyyoaq2y
High-fidelity spatial mode transmission through a 1-km-long multimode fiber via vectorial time reversal
[article]
2020
arXiv
pre-print
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Here we show that high mode fidelity can be achieved for a large number of spatial modes propagating through a 1-km-long, standard, graded-index, multimode fiber by using vectorial time reversal. ...
The large number of spatial modes supported by multimode fiber (MMF) is a promising platform for boosting the secure key rate of quantum key distribution (QKD) by orders of magnitude. ...
Here we show that high mode fidelity can be achieved for a large number of spatial modes propagating through a 1-km-long, standard, graded-index, multimode fiber by using vectorial time reversal. ...
arXiv:2003.09883v2
fatcat:osxnj4eobvhn5kyoe45uraobxu
Optical fibers for the transmission of orbital angular momentum modes
2017
Optical fiber technology (Print)
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Orbital angular momentum (OAM) of light is a promising means for exploiting the spatial dimension of light to increase the capacity of optical fiber links. ...
We summarize how OAM enables efficient mode multiplexing for optical communications, with emphasis on the design of OAM fibers. ...
While past decades focused on single mode fibers (SMF), current interest in spatial division multiplexing drives research on multimode (and few modes) fibers. ...
doi:10.1016/j.yofte.2016.09.016
fatcat:sp22vhetufd7lir4y3bx7b4z3e
OAM Modes in Optical Fibers for Next Generation Space Division Multiplexing (SDM) Systems
[chapter]
2021
Fiber Optics - Technology and Applications
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This is based on separate/independent and orthogonal spatial modes of optical fiber as data carriers along optical fiber. ...
) and particularly to mode division multiplexing (MDM). ...
Figure 6 . 6 Figure 6.Refractive indexes of (a) graded index fiber (multimode fiber) and (b) step index fiber (single mode fiber).
Figure 7 . 7 Figure 7. OAM mode (a) phases pattern (e.g. ...
doi:10.5772/intechopen.97773
fatcat:nbbzoyqlnveqzjfbyvm4cyudsu
Mode division multiplexing: from photonic integration to optical fiber transmission [Invited]
2021
Chinese Optics Letters (COL)
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To overcome the capacity crunch of optical communications based on the traditional single-mode fiber (SMF), different modes in a few-mode fiber (FMF) can be employed for mode division multiplexing (MDM ...
In this tutorial, we provide a review of MDM works and cutting-edge progresses from photonic integration to optical fiber transmission, including our recent works of MDM low-noise amplification, FMF fiber ...
Acknowledgement This work was supported by the National Key R&D Program of China (No. 2018YFB1801804) and the National Natural Science Foundation of China (NSFC) (Nos. 61935011, 61875124, and 61675128) ...
doi:10.3788/col202119.091301
fatcat:yr6ci3kh5na53nk2xfbva43xou
Few-mode multi-element fiber amplifier for mode division multiplexing
2014
2014 The European Conference on Optical Communication (ECOC)
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"Mode-division multiplexing over 96 km of fewmode fiber using coherent 6 × 6 MIMO processing," J. Lightwave Technol. 30(4), 521-531 (2012). ...
We experimentally demonstrate a few-moded cladding-pumped multi-element fiber amplifier, comprising 4 Er/Yb co-doped signal fibers and 1 multimode pump-delivery fiber all of which are drawn together in ...
The authors acknowledge OFS Denmark for providing the few-mode optical fibers and Tyndall National Institute at UCC in Cork, Ireland for providing the phase plates. ...
doi:10.1109/ecoc.2014.6964020
fatcat:clzrsfmnq5chtdhrsypahhjhzi
Long distance transmission in few-mode fibers
2010
Optics Express
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In the absence of mode coupling it is possible to use these fibers in the single-mode operation where all the data is carried in only one of the spatial modes throughout the fiber. ...
Using multimode fibers for long-haul transmission is proposed and demonstrated experimentally. ...
Olshansky, "Mode coupling effects in graded-index optical fibers," Appl. Opt. 14(4), 935-945 (1975) . ...
doi:10.1364/oe.18.013250
pmid:20588454
fatcat:r4xpqt3msvhxnmeurbiicpp7r4
All-fiber mode-group-selective photonic lantern using graded-index multimode fibers
2015
Optics Express
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A SDM transmission system consists of an array of transmitters, a spatial multiplexer (SMUX) to launch onto the SDM fiber's modes or cores, a SDM fiber, a spatial demultiplexer (SDeMUX), an array of coherent ...
The key innovation is the use of multi-mode instead of single-mode fibers for the taper, in particular graded-index multimode fibers (GI-MMFs). ...
The mode selectivity for the mode-group-selective PL is 20-dB which is much better than the modal crosstalk in a typical 50-km fiber span (7-dB) . ...
doi:10.1364/oe.23.000224
pmid:25835669
fatcat:tbv5cvtgkfa77kajcerq2asvyi
Transmission in space-division multiplexed systems
2015
2015 IEEE Photonics Conference (IPC)
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R.Ryf et al., ECOC 2015
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GRADED INDEX FIBER SUPPORTING 6 SPATIAL MODES
DGD COMPENSATED FIBER
• Graded index profile designed to minimize DGD across all modes
• ...
PHOTONIC LANTERNS TO COUPLE INTO
15-MODE MULTIMODE FIBER
Coupled core approximates a multi-mode core. ...
SUMMARY:MIMO BASED TRANSMISSION RESULTS ...
doi:10.1109/ipcon.2015.7323737
fatcat:vec7pmqfzfamzlpevzddjdhcre
Optical solitons in graded-index multimode fibres
2013
Nature Communications
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Here we report the observation of optical solitons and soliton self-frequency shifting in graded-index multimode fiber. ...
Solitons in graded-index fibers should enable increased data rates in low-cost telecommunications systems, are pertinent to space-division multiplexing, and can offer a new route to mode-area scaling for ...
Acknowledgements Portions of this work were supported by the National Science Foundation (ECS-0901323 and PHYS-0653482). We thank G. Agrawal and M. Segev for valuable discussions. ...
doi:10.1038/ncomms2739
pmid:23591886
fatcat:cyakzcpdt5abbiyn5xypy3aihq
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