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Multicore fibers for large capacity transmission

Kunimasa Saitoh, Shoichiro Matsuo
2013 Nanophotonics  
In MCFs, there is a tradeoff relationship between low crosstalk and high multiplicity, therefore the maximum number of cores and the core arrangement have to be carefully determined based on the required  ...  The state-of-the-art of fabricated MCFs and the transmission experiments using MCFs are reviewed.  ...  In addition, development of devices such as Fan-in/Fan-out and amplifier are indispensable to realize ultimate highly multiplexed transmission over an FM-MCF.  ... 
doi:10.1515/nanoph-2013-0037 fatcat:d3dxucwflfao3asjl7lw5qsgdm

High-capacity dense space division multiplexing transmission

Takayuki Mizuno, Yutaka Miyamoto
2017 Optical fiber technology (Print)  
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.  ...  Uncoupled seven-core [18, 19] and coupled three-core [20] transmission experiments were performed using free-space optics or fiber bundle fan-in/fan-out (FI/FO) spatial multi/demultiplexing devices  ... 
doi:10.1016/j.yofte.2016.09.015 fatcat:xcoatnke55hhrprl2o53lhrd24

Fan-in/out polymer optical waveguide for a multicore fiber fabricated using the Mosquito method

Daisuke Suganuma, Takaaki Ishigure
2015 Optics Express  
We design a fan-in/out structure to which the Mosquito method is applicable since the Mosquito method is capable of drawing a circular graded-index core three-dimensionally.  ...  A fan-in/out polymer optical waveguide with 25-μm cores and 40-μm interchannel pitch is fabricated for a multimode multicore fiber using a microdispenser.  ...  A tapered fiber bundle is also a candidate for fan-in/fan-out devices, and it exhibited high coupling efficiency, while its mechanical strength and mass productivity would be concerns [6] .  ... 
doi:10.1364/oe.23.001585 pmid:25835916 fatcat:x6mifmm4qjbcrh3yzbthjnvfi4

Fan-in/out polymer optical waveguide for a multicore fiber fabricated using the Mosquito method

D. Suganuma, T. Ishigure, Louay A. Eldada, El-Hang Lee, Sailing He
2015 Smart Photonic and Optoelectronic Integrated Circuits XVII  
We design a fan-in/out structure to which the Mosquito method is applicable since the Mosquito method is capable of drawing a circular graded-index core three-dimensionally.  ...  A fan-in/out polymer optical waveguide with 25-μm cores and 40-μm interchannel pitch is fabricated for a multimode multicore fiber using a microdispenser.  ...  A tapered fiber bundle is also a candidate for fan-in/fan-out devices, and it exhibited high coupling efficiency, while its mechanical strength and mass productivity would be concerns [6] .  ... 
doi:10.1117/12.2078586 fatcat:pebt6ffasfdzlioftqjy4jkp2a

Multi-Element Fiber Technology for Space-Division Multiplexing Applications

S. Jain, V. J. F. Rancaño, T. C. May-Smith, P. Petropoulos, J. K. Sahu, D. J. Richardson
2014 Optics Express  
Both the fabrication and characterization of a passive 3-element MEF for data transmission, and an active 5-element erbium/ytterbium doped MEF for cladding-pumped optical amplification that uses one of  ...  A novel technological approach to space division multiplexing (SDM) based on the use of multiple individual fibers embedded in a common polymer coating material is presented, which is referred to as Multi-Element  ...  The authors thank JANET, the UK's research and education network, for gratefully providing the installed fiber link used during these experiments. The authors are thankful to Dr.  ... 
doi:10.1364/oe.22.003787 pmid:24663699 fatcat:2absadzs5jd5tnyhjcafubzeoq

Refractive indexes of (Al,Ga,In)As epilayers on InP for optoelectronic applications

M.J. Mondry, D.I. Babic, J.E. Bowers, L.A. Coldren
1992 IEEE Photonics Technology Letters  
The resulting expression can be used in the design of waveguides, modulators, and other optical devices.  ...  A reflection spectroscopy technique was used to determine the refractive index of (AI,Ga,In)As films as a function of wavelength.  ...  ., fan-in/fan-out from fiber to arrays of 0-E devices) and greater flexibility in component placement (e.g., eliminating edge-mounted components and/or fiber pigtails).  ... 
doi:10.1109/68.141990 fatcat:tbgswg2m2fethl4b7cuwoz5nsi

Multi-channel single-mode polymer waveguide fabricated using the Mosquito method

Sho Yakabe, Hitomi Matsui, Yuki Saito, Ken Manabe, Takaaki Ishigure
2020 Journal of Lightwave Technology  
We find such a small MFD fluctuation is comparable to that of typical single-mode optical fibers. Index Terms-Mosquito method, polymer optical waveguide, single-mode waveguide, 3-D fluid analysis.  ...  In this article, the flow of the core monomer dispensed from the tip of the needle is simulated using fluid analysis software.  ...  For instance, since semiconductor lasers are generally aligned inline (one dimension) in optical transceivers, a fan-in/fan-out (FIFO) device is necessary to couple MCFs to the transmitters and receivers  ... 
doi:10.1109/jlt.2020.3029395 fatcat:5ys6v7yw2bhxlozuneqjk4drx4

Principle, Design, and Prototyping of Core Selective Switch Using Free-Space Optics for Spatial Channel Network

Masahiko Jinno, Takahiro Kodama, Tsubasa Ishikawa
2020 Journal of Lightwave Technology  
Although some output MCF ports exhibit relatively high insertion loss (IL), the CSS prototype shows that a CSS will potentially provide low net IL at the level of approximately 2 dB.  ...  We discuss the design for free-space-optics-based CSSs that is applicable to CSSs supporting various numbers of cores per multicore fiber (MCF) and various numbers of MCF ports.  ...  ., Ltd. for their technical support related to the MCFs and fan-in/fan-out devices.  ... 
doi:10.1109/jlt.2020.3000304 fatcat:ilvl4uy2ojbztoklg3v5sdxbqm

Dense SDM (12-Core x 3-Mode) Transmission Over 527 km With 33.2-ns Mode-Dispersion Employing Low-Complexity Parallel MIMO Frequency-Domain Equalization

Kohki Shibahara, Doohwan Lee, Takayuki Kobayashi, Takayuki Mizuno, Hidehiko Takara, Akihide Sano, Hiroto Kawakami, Yutaka Miyamoto, Hirotaka Ono, Manabu Oguma, Yoshiteru Abe, Takashi Matsui (+7 others)
2016 Journal of Lightwave Technology  
Next, we describe in detail the newly developed fiber and devices we used in the conducted experiments.  ...  A graded-index (GI) multicore few-mode fiber (MC-Manuscript FMF) suppressed the accumulation of DMD as well as intercore crosstalk.  ...  , photonic bandgap fibers, and manufacturing technology of these optical fibers.  ... 
doi:10.1109/jlt.2015.2463102 fatcat:rrltbbkkazegjdp3sfb5vrjvdm

Space-division multiplexing in optical fibres

D. J. Richardson, J. M. Fini, L. E. Nelson
2013 Nature Photonics  
source of improvement has however been left untapped in these systems: fibres can easily support hundreds of spatial modes, but today's commercial systems (single-mode or multi-mode) make no attempt to use  ...  (b) Total crosstalk from all other cores after transmission over the 52km 12-core MCF and fan-in/fan-out devices (filled circles), and crosstalk penalty measured for two channels (filled triangles).  ...  Using a graded-index (GI-) core design 29 (Figure 2 (f)), DMGD values as low as 50 ps/km have been achieved for 3MF 29, 30 .  ... 
doi:10.1038/nphoton.2013.94 fatcat:egdr65aduzgrjmea5zx5esdwji

Novel Photostructurable Polymer for On-Board Optical Interconnects Enabled by Femtosecond Direct Laser Writing

Ho Hoai Duc Nguyen
2021
Durch Verwendung dieser neuartigen Methode wurden dreidimensionale optische Wellenleiter-Arrays, Fan-in/Fan-out- und Splitter-Strukturen hergestellt.  ...  Fan-in/ Fan-out structures connecting multicore fiber (MCF) to a fiber ribbon are fabricated utilizing flexibility of 3D waveguides.  ...  Further characteristics of optical functions such as waveguide array, fan-ins/fan-out are also explained in detail.  ... 
doi:10.5445/ir/1000136032 fatcat:rkhjopbifffzhowtpnuu7nvize

Dense SDM (12-core × 3-mode) Transmission over 527 km with 33.2-ns Mode-Dispersion Employing Low-Complexity Parallel MIMO Frequency-Domain Equalization

K. Shibahara, T. Mizuno, H. Takara, A. Sano, H. Kawakami, D. Lee, Y. Miyamoto, H. Ono, M. Oguma, Y. Abe, T. Kobayashi, T. Matsui (+7 others)
2015 Optical Fiber Communication Conference Post Deadline Papers   unpublished
Next, we describe in detail the newly developed fiber and devices we used in the conducted experiments.  ...  A graded-index (GI) multicore few-mode fiber (MC-Manuscript FMF) suppressed the accumulation of DMD as well as intercore crosstalk.  ...  , photonic bandgap fibers, and manufacturing technology of these optical fibers.  ... 
doi:10.1364/ofc.2015.th5c.3 fatcat:yick4m6invgvpjfe35coznhb6q

Towards petabit per second optical long-haul transmission links using space-division multiplexing technology [article]

VAJM Vincent Sleiffer, AMJ Ton Koonen, H Hugo = Huug De Waardt
2014
Towards petabit per second optical long-haul transmission links using space-division multiplexing technology. Eindhoven: Technische Universiteit Eindhoven. https://doi.org/10.6100/IR774392  ...  The simplicity of this approach, although coupling to the cores is not straightforward and requires some fan-in fan-out devices [219] [220] [221] , allowed for a relatively quick demonstration of (ultra  ...  Radius Refractive Index Step-index Graded-index Graded-index with trench Attenuation, chromatic dispersion (CD) and polarization mode dispersion (PMD) The loss mechanism of FMFs is the same as for  ... 
doi:10.6100/ir774392 fatcat:iahbqqquwfbi7ezxobpaulsmwe