Advanced Digital Signal Processing for High-Capacity Mode-Division Multiplexed Free-Space Optical Communications

Zhouyi Hu; Zhaozhong Chen; Yiming Li; David M. Benton; Abdallah A. I. Ali; Mohammed Patel; Martin P. J. Lavery; Andrew D. Ellis

doi:10.1109/icton59386.2023.10207300

Advanced Digital Signal Processing for High-Capacity Mode-Division Multiplexed Free-Space Optical Communications

Zhouyi Hu, Zhaozhong Chen, Yiming Li, David M. Benton, Abdallah A. I. Ali, Mohammed Patel, Martin P. J. Lavery, Andrew D. Ellis

Research output: Chapter in Book/Published conference output › Conference publication

Abstract

Spatial modes provide a potential dimension to boost the capacity of free-space optical (FSO) communication systems. Various modal basis sets can be used. For a given aperture size, complete orthogonal modal basis sets can provide higher capacity compared to incomplete modal basis sets, but are more sensitive to FSO channel impairments, such as atmospheric turbulence. In this invited paper, we review our recent progress in using advanced digital signal processing algorithms for the implementation of high-capacity mode-division multiplexed FSO communication systems when employing complete modal basis sets. Besides turbulence, the relatively high inter-mode crosstalk from a commercial multiplexer/demultiplexer has been taken into account. By employing adaptive loading at the transmitter side and/or advanced multiple-input multiple-output detection algorithms at the receiver side, record-high single-wavelength transmission data rates and spectral efficiency have been achieved over both turbulence-free and turbulent FSO links, where all key devices are commercially available.

Original language	English
Title of host publication	2023 23rd International Conference on Transparent Optical Networks (ICTON)
Editors	Marek Jaworski, Marian Marciniak
Publisher	IEEE
Number of pages	4
ISBN (Electronic)	979-8-3503-0303-2
ISBN (Print)	979-8-3503-0304-9
DOIs	https://doi.org/10.1109/icton59386.2023.10207300
Publication status	Published - 8 Aug 2023

Publication series

Name	International Conference on Transparent Optical Networks
Volume	2023-July
ISSN (Electronic)	2162-7339

Bibliographical note

Funding: This work was partly supported by EPSRC under grant numbers EP/T009047/1, EP/T009012/1, EP/S003436/1, and EP/S016171/1; European Union’s Horizon 2020 research and innovation programme under the Marie
Skłodowska-Curie grant agreement No. 713694; Future and Emerging Technologies Open grant agreement Super-pixels No. 829116

Copyright © 2023 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

Keywords

atmospheric turbulence
digital signal processing
free-space optics
mode-division multiplexing
multiple-input multiple-output
optical wireless communication

Access to Document

10.1109/icton59386.2023.10207300

Advanced Digital Signal Processing
Copyright © 2023 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Accepted author manuscript, 4.46 MB

Cite this

Hu, Z., Chen, Z., Li, Y., Benton, D. M., Ali, A. A. I., Patel, M., Lavery, M. P. J., & Ellis, A. D. (2023). Advanced Digital Signal Processing for High-Capacity Mode-Division Multiplexed Free-Space Optical Communications. In M. Jaworski, & M. Marciniak (Eds.), 2023 23rd International Conference on Transparent Optical Networks (ICTON) (International Conference on Transparent Optical Networks; Vol. 2023-July). IEEE. https://doi.org/10.1109/icton59386.2023.10207300

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title = "Advanced Digital Signal Processing for High-Capacity Mode-Division Multiplexed Free-Space Optical Communications",

abstract = "Spatial modes provide a potential dimension to boost the capacity of free-space optical (FSO) communication systems. Various modal basis sets can be used. For a given aperture size, complete orthogonal modal basis sets can provide higher capacity compared to incomplete modal basis sets, but are more sensitive to FSO channel impairments, such as atmospheric turbulence. In this invited paper, we review our recent progress in using advanced digital signal processing algorithms for the implementation of high-capacity mode-division multiplexed FSO communication systems when employing complete modal basis sets. Besides turbulence, the relatively high inter-mode crosstalk from a commercial multiplexer/demultiplexer has been taken into account. By employing adaptive loading at the transmitter side and/or advanced multiple-input multiple-output detection algorithms at the receiver side, record-high single-wavelength transmission data rates and spectral efficiency have been achieved over both turbulence-free and turbulent FSO links, where all key devices are commercially available.",

keywords = "atmospheric turbulence, digital signal processing, free-space optics, mode-division multiplexing, multiple-input multiple-output, optical wireless communication",

author = "Zhouyi Hu and Zhaozhong Chen and Yiming Li and Benton, {David M.} and Ali, {Abdallah A. I.} and Mohammed Patel and Lavery, {Martin P. J.} and Ellis, {Andrew D.}",

note = "Funding: This work was partly supported by EPSRC under grant numbers EP/T009047/1, EP/T009012/1, EP/S003436/1, and EP/S016171/1; European Union{\textquoteright}s Horizon 2020 research and innovation programme under the Marie Sk{\l}odowska-Curie grant agreement No. 713694; Future and Emerging Technologies Open grant agreement Super-pixels No. 829116 Copyright {\textcopyright} 2023 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.",

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Hu, Z, Chen, Z, Li, Y, Benton, DM, Ali, AAI, Patel, M, Lavery, MPJ & Ellis, AD 2023, Advanced Digital Signal Processing for High-Capacity Mode-Division Multiplexed Free-Space Optical Communications. in M Jaworski & M Marciniak (eds), 2023 23rd International Conference on Transparent Optical Networks (ICTON). International Conference on Transparent Optical Networks, vol. 2023-July, IEEE. https://doi.org/10.1109/icton59386.2023.10207300

Advanced Digital Signal Processing for High-Capacity Mode-Division Multiplexed Free-Space Optical Communications. / Hu, Zhouyi; Chen, Zhaozhong; Li, Yiming et al.
2023 23rd International Conference on Transparent Optical Networks (ICTON). ed. / Marek Jaworski; Marian Marciniak. IEEE, 2023. (International Conference on Transparent Optical Networks; Vol. 2023-July).

Research output: Chapter in Book/Published conference output › Conference publication

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AU - Hu, Zhouyi

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AU - Ali, Abdallah A. I.

AU - Patel, Mohammed

AU - Lavery, Martin P. J.

AU - Ellis, Andrew D.

N1 - Funding: This work was partly supported by EPSRC under grant numbers EP/T009047/1, EP/T009012/1, EP/S003436/1, and EP/S016171/1; European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement No. 713694; Future and Emerging Technologies Open grant agreement Super-pixels No. 829116 Copyright © 2023 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

PY - 2023/8/8

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N2 - Spatial modes provide a potential dimension to boost the capacity of free-space optical (FSO) communication systems. Various modal basis sets can be used. For a given aperture size, complete orthogonal modal basis sets can provide higher capacity compared to incomplete modal basis sets, but are more sensitive to FSO channel impairments, such as atmospheric turbulence. In this invited paper, we review our recent progress in using advanced digital signal processing algorithms for the implementation of high-capacity mode-division multiplexed FSO communication systems when employing complete modal basis sets. Besides turbulence, the relatively high inter-mode crosstalk from a commercial multiplexer/demultiplexer has been taken into account. By employing adaptive loading at the transmitter side and/or advanced multiple-input multiple-output detection algorithms at the receiver side, record-high single-wavelength transmission data rates and spectral efficiency have been achieved over both turbulence-free and turbulent FSO links, where all key devices are commercially available.

AB - Spatial modes provide a potential dimension to boost the capacity of free-space optical (FSO) communication systems. Various modal basis sets can be used. For a given aperture size, complete orthogonal modal basis sets can provide higher capacity compared to incomplete modal basis sets, but are more sensitive to FSO channel impairments, such as atmospheric turbulence. In this invited paper, we review our recent progress in using advanced digital signal processing algorithms for the implementation of high-capacity mode-division multiplexed FSO communication systems when employing complete modal basis sets. Besides turbulence, the relatively high inter-mode crosstalk from a commercial multiplexer/demultiplexer has been taken into account. By employing adaptive loading at the transmitter side and/or advanced multiple-input multiple-output detection algorithms at the receiver side, record-high single-wavelength transmission data rates and spectral efficiency have been achieved over both turbulence-free and turbulent FSO links, where all key devices are commercially available.

KW - atmospheric turbulence

KW - digital signal processing

KW - free-space optics

KW - mode-division multiplexing

KW - multiple-input multiple-output

KW - optical wireless communication

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DO - 10.1109/icton59386.2023.10207300

M3 - Conference publication

SN - 979-8-3503-0304-9

T3 - International Conference on Transparent Optical Networks

BT - 2023 23rd International Conference on Transparent Optical Networks (ICTON)

A2 - Jaworski, Marek

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PB - IEEE

ER -

Hu Z, Chen Z, Li Y, Benton DM, Ali AAI, Patel M et al. Advanced Digital Signal Processing for High-Capacity Mode-Division Multiplexed Free-Space Optical Communications. In Jaworski M, Marciniak M, editors, 2023 23rd International Conference on Transparent Optical Networks (ICTON). IEEE. 2023. (International Conference on Transparent Optical Networks). doi: 10.1109/icton59386.2023.10207300

Advanced Digital Signal Processing for High-Capacity Mode-Division Multiplexed Free-Space Optical Communications

Abstract

Publication series

Bibliographical note

Keywords

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