Impulse Response Measurement of Spooled and Twisted Few-Mode Multi-Core Fiber for Short-Range Optical Links

John van Weerdenburg; Jose Manuel Delgado Mendinueta; Werner Klaus; Simon Rommel; Ruben Luis; Satoshi Shinada; Hideaki Furukawa; Idelfonso Tafur Monroy; Juan Jose Vegas Olmos; Ton Koonen; Chigo Okonkwo; Naoya Wada

doi:10.1109/LPT.2020.3027771

Impulse Response Measurement of Spooled and Twisted Few-Mode Multi-Core Fiber for Short-Range Optical Links

John van Weerdenburg (Corresponding author), Jose Manuel Delgado Mendinueta, Werner Klaus, Simon Rommel, Ruben Luis, Satoshi Shinada, Hideaki Furukawa, Idelfonso Tafur Monroy, Juan Jose Vegas Olmos, Ton Koonen, Chigo Okonkwo, Naoya Wada

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

The impact of bending and twisting on the impulse response matrix is investigated using optical vector network analysis. The heterogeneous 36-core 3-mode fiber under test is spooled at bending radii of 8 cm to 50 cm and additionally up to 4 twists per meter along the longitudinal direction are applied. The by-design large differential mode group delay of the fiber enables comprehensive measurement of the inter-mode-group cross-talk of the fiber impulse response matrix, which is directly measured with an optical vector network analyzer. A maximal inter-mode-group cross-talk of-28.1 dB is observed over all 36 cores. Furthermore, no significant changes related to the bending radii or additional strain by twisting the fiber were detected. These results demonstrate that the transmission characteristics of few-mode fibers with large differential mode group delay are fairly unaffected by bend-and twist-related perturbations which may prove beneficial for short-range mode-group multiplexed transmission systems using partial multiple-input multiple-output equalization in conjunction with mode-selective multiplexers.

Original language	English
Article number	9208711
Pages (from-to)	1427-1430
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	32
Issue number	22
DOIs	https://doi.org/10.1109/LPT.2020.3027771
Publication status	Published - 15 Nov 2020

Funding

Manuscript received May 29, 2020; revised August 9, 2020; accepted September 23, 2020. Date of publication September 29, 2020; date of current version October 19, 2020. This work was supported in part by the Netherlands Organisation for Scientific Research (NWO) Graduate Photonics program under Agreement 022.005.011 and in part by the blueSPACE Project and the plaCMOS Project through the European Union’s Horizon 2020 Research and Innovation Programme under Agreement 762055 and Agreement 780997. (Corresponding author: John van Weerdenburg.) John van Weerdenburg, Simon Rommel, Idelfonso Tafur Monroy, Ton Koonen, and Chigo Okonkwo are with the Institute for Photonic Integration, Eindhoven University of Technology, 5600 Eindhoven, The Netherlands (e-mail: [email protected]).

Funders	Funder number
European Union's Horizon 2020 - Research and Innovation Framework Programme	762055, 780997
Nederlandse Organisatie voor Wetenschappelijk Onderzoek	022.005.011

Keywords

fiber characterization
Optical vector network analysis
space division multiplexing

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10.1109/LPT.2020.3027771

Weerdenburg2020_PTLFinal author version , 589 KB

Cite this

van Weerdenburg, J., Delgado Mendinueta, J. M., Klaus, W., Rommel, S., Luis, R., Shinada, S., Furukawa, H., Tafur Monroy, I., Vegas Olmos, J. J., Koonen, T., Okonkwo, C., & Wada, N. (2020). Impulse Response Measurement of Spooled and Twisted Few-Mode Multi-Core Fiber for Short-Range Optical Links. IEEE Photonics Technology Letters, 32(22), 1427-1430. Article 9208711. https://doi.org/10.1109/LPT.2020.3027771

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title = "Impulse Response Measurement of Spooled and Twisted Few-Mode Multi-Core Fiber for Short-Range Optical Links",

abstract = "The impact of bending and twisting on the impulse response matrix is investigated using optical vector network analysis. The heterogeneous 36-core 3-mode fiber under test is spooled at bending radii of 8 cm to 50 cm and additionally up to 4 twists per meter along the longitudinal direction are applied. The by-design large differential mode group delay of the fiber enables comprehensive measurement of the inter-mode-group cross-talk of the fiber impulse response matrix, which is directly measured with an optical vector network analyzer. A maximal inter-mode-group cross-talk of-28.1 dB is observed over all 36 cores. Furthermore, no significant changes related to the bending radii or additional strain by twisting the fiber were detected. These results demonstrate that the transmission characteristics of few-mode fibers with large differential mode group delay are fairly unaffected by bend-and twist-related perturbations which may prove beneficial for short-range mode-group multiplexed transmission systems using partial multiple-input multiple-output equalization in conjunction with mode-selective multiplexers.",

keywords = "fiber characterization, Optical vector network analysis, space division multiplexing",

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van Weerdenburg, J, Delgado Mendinueta, JM, Klaus, W, Rommel, S, Luis, R, Shinada, S, Furukawa, H, Tafur Monroy, I, Vegas Olmos, JJ, Koonen, T , Okonkwo, C & Wada, N 2020, 'Impulse Response Measurement of Spooled and Twisted Few-Mode Multi-Core Fiber for Short-Range Optical Links', IEEE Photonics Technology Letters, vol. 32, no. 22, 9208711, pp. 1427-1430. https://doi.org/10.1109/LPT.2020.3027771

Impulse Response Measurement of Spooled and Twisted Few-Mode Multi-Core Fiber for Short-Range Optical Links. / van Weerdenburg, John (Corresponding author); Delgado Mendinueta, Jose Manuel; Klaus, Werner et al.
In: IEEE Photonics Technology Letters, Vol. 32, No. 22, 9208711, 15.11.2020, p. 1427-1430.

Research output: Contribution to journal › Article › Academic › peer-review

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AU - Tafur Monroy, Idelfonso

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AU - Koonen, Ton

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AU - Wada, Naoya

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Impulse Response Measurement of Spooled and Twisted Few-Mode Multi-Core Fiber for Short-Range Optical Links

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blueSPACE

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Impulse Response Measurement of Spooled and Twisted Few-Mode Multi-Core Fiber for Short-Range Optical Links

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Funding

Keywords

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blueSPACE

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