Relationship Between Mode Coupling and Fiber Characteristics in Few-Mode Fibers Analyzed Using Impulse Response Measurements Technique

Maruyama, Ryo; Kuwaki, Nobuo; Matsuo, Shoichiro; Ohashi, M.

doi:10.1109/jlt.2016.2609002

Cited by 67 publications

(23 citation statements)

References 29 publications

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“…dmd may be derived fromH(ω) by means of principle state of polarization analysis [11,21,29] where the principle delays are approximated by the eigenvalues ofH(ω + ∆ω)H −1 (ω) or by directly analyzing the impulse responsesh k ,l (t) [22,25,30]. In the latter case, distinct peaks for different mode groups h k ,l (t) will be observed and dmd may be derived from the ratio of their respective spacing and the fiber length.…”

Section: Calculation Of the Linear Device Parametersmentioning

confidence: 99%

“…Analysis of the impulse response is demonstrated in detail in section 3.2. Finally, mode coupling may also be seen from analysis of theh k ,l (t), where distributed mode coupling along the fiber will appear as plateaus between the peaks of the respective modes and mode coupling at discrete points generate additional peaks in the temporal response [22,25,30].…”

Section: Calculation Of the Linear Device Parametersmentioning

confidence: 99%

“…In the presence of discrete mode-mixing events, such as the fusion splice and cleave, additional peaks may arise due to different combinations of accumulated dmd before and after each mixing event [25,30]. The impulse response matrices shown in Figs.…”

Section: Few-mode Fiber Differential Modal Group Delaymentioning

confidence: 99%

See 2 more Smart Citations

Few-mode fiber, splice and SDM component characterization by spatially-diverse optical vector network analysis

Rommel¹,

Mendinueta²,

Klaus³

et al. 2017

Opt. Express

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Document VersionPublisher's PDF, also known as Version of Record (includes final page, issue and volume numbers) Please check the document version of this publication:• A submitted manuscript is the author's version of the article upon submission and before peer-review. There can be important differences between the submitted version and the official published version of record. People interested in the research are advised to contact the author for the final version of the publication, or visit the DOI to the publisher's website.• The final author version and the galley proof are versions of the publication after peer review.• The final published version features the final layout of the paper including the volume, issue and page numbers. Link to publication Citation for published version (APA):Rommel, S., Delgado Mendinueta, J. M., Klaus, W., Sakaguchi, J., Vegas Olmos, J. J., Awaji, Y., ... Wada, N. (2017). Few-mode fiber, splice and SDM component characterization by spatially-diverse optical vector network analysis. Optics Express, 25(19), 22347-22361. DOI: 10.1364/OE.25.022347 General rights Copyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights.• Users may download and print one copy of any publication from the public portal for the purpose of private study or research.• You may not further distribute the material or use it for any profit-making activity or commercial gain • You may freely distribute the URL identifying the publication in the public portal ? Take down policyIf you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediately and investigate your claim. Abstract: This paper discusses spatially diverse optical vector network analysis for space division multiplexing (SDM) component and system characterization, which is becoming essential as SDM is widely considered to increase the capacity of optical communication systems. Characterization of a 108-channel photonic lantern spatial multiplexer, coupled to a 36-core 3-mode fiber, is experimentally demonstrated, extracting the full impulse response and complex transfer function matrices as well as insertion loss (IL) and mode-dependent loss (MDL) data. Moreover, the mode-mixing behavior of fiber splices in the few-mode multi-core fiber and their impact on system IL and MDL are analyzed, finding splices to cause significant mode-mixing and to be non-negligible in system capacity analysis.

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Section: Calculation Of the Linear Device Parametersmentioning

confidence: 99%

Section: Calculation Of the Linear Device Parametersmentioning

confidence: 99%

See 1 more Smart Citation

Few-mode fiber, splice and SDM component characterization by spatially-diverse optical vector network analysis

Rommel¹,

Mendinueta²,

Klaus³

et al. 2017

Opt. Express

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show abstract

“…Accurate measurement methods and improved understanding of these impairments on both component and system level are required to support the rapid advancement of spacedivision multiplexing (SDM). Several techniques have been proposed to measure the impulse response of SDM fibers with high dynamic range [6], [7]. However, key parameters such as MDL cannot be derived from them.…”

Section: Introductionmentioning

confidence: 99%

Polarization Equalization in Optical Vector Network Analysis for SDM Fiber Characterization

Rommel

Monroy

Wada

et al. 2019

IEEE Photon. Technol. Lett.

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“…the metro, access, intra-or inter-data-center links, etc. ), weak coupling may be maintained between modes or mode groups (MGs) with differential effective refractive index (Δneff) of ~10 -4 -10 -3 [9], potentially enabling partial-MIMO or MIMO-free schemes that improve system capacity with MIMO complexity [10][11][12][13][14][15][16][17][18][19]. In [10][11][12], weakly-coupled FMF transmission incorporating partial-MIMO processing is proposed, in which low inter-mode or inter-MG coupling is ensured by increasing Δneff, so that only smaller MIMO blocks are required to handle the polarization diversity and mode degeneracy.…”

Section: Introductionmentioning

confidence: 99%

Mode Division Multiplexing Based on Ring Core Optical Fibers

Liu

Zhu

Zhang

et al. 2018

IEEE J. Quantum Electron.

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The unique modal characteristics of ring core fibres potentially enable the implementation of mode-division multiplexing (MDM) schemes that can increase optical data transmission capacity with either low complexity modular multiinput multi-output (MIMO) equalization or no MIMO. This paper attempts to present an comprehensive review of recent research on key aspects of RCF-based MDM transmission. Starting from fundamental fibre modal structures, a theoretical comparison between RCF and conventional step-index and graded-index multi-mode fibres in terms of their MDM capacity and the associated MIMO complexity is given first as the underlining rationale behind RCF-MDM. This is followed by a discussion of RCF design considerations for achieving high mode channel count and low crosstalk performances in either MIMO-free or modular MIMO transmission schemes. The principles and implementations of RCF mode (de-)multiplexing devices are discussed in detail, followed by RCF-based optical amplifiers, culminating in MIMOfree or modular MIMO RCF-MDM data transmission schemes. A discussion on further research directions is also given.

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Relationship Between Mode Coupling and Fiber Characteristics in Few-Mode Fibers Analyzed Using Impulse Response Measurements Technique

Cited by 67 publications

References 29 publications

Few-mode fiber, splice and SDM component characterization by spatially-diverse optical vector network analysis

Few-mode fiber, splice and SDM component characterization by spatially-diverse optical vector network analysis

Polarization Equalization in Optical Vector Network Analysis for SDM Fiber Characterization

Mode Division Multiplexing Based on Ring Core Optical Fibers

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