Digital Compensation of Inter Crosstalk in Multicore Fibers DigCORE

PROJECT / DigCORE

PROJECT:

Digital Compensation of Inter Crosstalk in Multicore Fibers

ACRONYM:

DigCORE

MAIN OBJECTIVE:

The ultimate goal of the project comprises the development, implementation and experimental validation of low-complexity data-center-network-compatible digital mitigation techniques for effective reduction of the outage constraints imposed by inter-core crosstalk (ICXT) in weakly-coupled MCF-based systems.

Reference:

UIDP/50008/2020

Funding:

IT/LA

Start Date:

01-05-2020

End Date:

30-04-2023

Team:

Nelson de Jesus Cordeiro Muga, Adolfo da Visitação Tregeira Cartaxo, Armando Humberto Moreira Nolasco Pinto, Tiago Manuel Ferreira Alves, Gil Gonçalo Martins Fernandes, Isiaka Ajewale Alimi, Somayeh Ziaie, Patel RomilKumar Kantibhai, Daniel Filipe Figueiredo Pereira

Groups:

Optical Quantum Communications – Av
Optical Communication Systems and Networking – Lx

Partners:

non applicable

Local Coordinator:

Nelson de Jesus Cordeiro Muga

Links:

https://digcore.av.it.pt/

Related UN SDG

This project falls under the following United Nations Strategic Development Goals (SDGs):

United Nations Strategic Development Goal - Industry, Innovation and Infrastructure

Associated Publications

13Papers in Journals

R. K. Patel, G. Domingues, N. J. Muga, A. N. Pinto, M. Fernandes, G. Fernandes, P. Monteiro, F. P. Guiomar, Simplified Self-Coherent FSO Transmission Boosted by Digital Resolution Enhancer, Journal of Lightwave Technology, Vol. 41, No. 18, pp. 5958 - 5965, September, 2023 | Full text (PDF 1 MB) | BibTex
T. M. F. Alves, A. Cartaxo, Polarization Misalignment Between Signal and Crosstalk in Direct Detection WC-MCF Systems, IEEE Photonics Technology Letters, Vol. 35, No. 14, pp. 753 - 756, July, 2023 | BibTex
D. Piedade, T. M. F. Alves, T. Brandão, Short-Reach MCF-Based Systems Employing KK Receivers and Feedforward Neural Networks for ICXT Mitigation, Photonics, Vol. 9, No. 5, pp. 286 - 286, April, 2022 | BibTex
T. M. F. Alves, A. Cartaxo, J. Rebola, DD-OOK Multicore Fiber Systems Impaired by Intercore Crosstalk and Laser Phase Noise, Journal of Lightwave Technology, Vol. 40, No. 5, pp. 1544 - 1551, February, 2022,
| Abstract | Full text (PDF 1 MB) | BibTex
C. M. Martins, F. P. Guiomar, A. N. Pinto, Hardware optimization of dual-stage carrier-phase recovery for coherent optical receivers, OSA Continuum, Vol. 4, No. 12, pp. 3157 - 3157, December, 2021,
| Abstract | Full text (PDF 5 MBs) | BibTex
I. Alimi, R. K. Patel, N. J. Muga, A. N. Pinto, A. Teixeira, P. Monteiro, Towards Enhanced Mobile Broadband Communications: A Tutorial on Enabling Technologies, Design Considerations, and Prospects of 5G and beyond Fixed Wireless Access Networks, Applied Sciences, Vol. 11, No. 21, pp. 1 - 104, November, 2021,
| Abstract | Full text (PDF 26 MBs) | BibTex
I. Alimi, R. K. Patel, N. A. Silva, C. Sun, H. Ji, W. Shieh, A. N. Pinto, N. J. Muga, A Review of Self-Coherent Optical Transceivers: Fundamental Issues, Recent Advances, and Research Directions, Applied Sciences, Vol. 11, No. 16, pp. 1 - 86, August, 2021,
| Abstract | Full text (PDF 11 MBs) | BibTex
M. J. Ferreira, N. A. Silva, A. N. Pinto, N. J. Muga, Characterization of a Quantum Random Number Generator Based on Vacuum Fluctuations, Applied Sciences, Vol. 11, No. 16, pp. 7413-1 - 7413-16, August, 2021,
| Abstract | BibTex
J. Morgado, A. Cartaxo, Correlation and Power Distribution of Intercore Crosstalk Field Components of Polarization-Coupled Weakly Coupled Single-Mode Multicore Fibres, Photonics, Vol. 8, No. 6, pp. 191 - 191, May, 2021 | Full text (PDF 2 MBs) | BibTex
A. Cartaxo, J. Morgado, New Expression for Evaluating the Mean Crosstalk Power in Weakly-Coupled Multi-Core Fibers, Journal of Lightwave Technology, Vol. 39, No. 6, pp. 1830 - 1842, March, 2021,
| Abstract | Full text (PDF 2 MBs) | BibTex
J. Rebola, T. M. F. Alves, A. Cartaxo, Outage Probability Due to Intercore Crosstalk From Multiple Cores in Short-Reach Networks, IEEE Photonics Technology Letters, Vol. 33, No. 6, pp. 281 - 284, March, 2021 | Full text (PDF 1015 KBs) | BibTex
R. Dias, J. Rebola, A. Cartaxo, Outage Probability Due to Crosstalk from Multiple Interfering Cores in PAM4 Inter-Datacenter Connections, Photonics, Vol. 8, No. 1, pp. 9 - 9, January, 2021,
| Abstract | BibTex
I. Alimi, N. J. Muga, Simple and robust transmit diversity based free-space optical communications for 5G and beyond networks, Optics Communications, Vol. 476, No. 1, pp. 126306 - 126306, December, 2020 | BibTex

11Papers in Conferences

T. M. F. Alves, L. O. Oliveira, A. Cartaxo, Neural Network-Assisted Self-Coherent MCF Systems Impaired by ICXT and Laser Phase Noise, International Conference of Transparent Optical Network (ICTON), bari, Italy, Vol., pp. -, July, 2024 | BibTex
T. M. F. Alves, D. Piedade, T. Brandão, J. Rebola, A. Cartaxo, On the use of feedforward neural networks to improve the intercore crosstalk tolerance in self-coherent MCF systems, International Conference of Transparent Optical Network (ICTON), Bucharest, Romania, Vol. -, pp. - - -, July, 2023 | BibTex
N. J. Muga, T. M. F. Alves, R. K. Patel, I. Alimi, A. N. Pinto, A. Cartaxo, Self-Coherent Detection in Multicore Fiber Systems Impaired by Intercore Crosstalk, International Conf. on Transparent Networks – ICTON, Bucarest, Romania, July, 2023 | Full text (PDF 432 KBs) | BibTex
A. Cartaxo, T. M. F. Alves, J. Rebola, ICXT Characterization in WC-MCFs and its Impact on the Performance of OOK-DD Systems, 13th IEEE/IET International Symposium on Communication Systems, Networks and Digital Signal Processing CSNDSP, Porto, Portugal, Vol., pp. -, July, 2022,
| Abstract | Full text (PDF 542 KBs) | BibTex
G. Domingues, R. K. Patel, N. J. Muga, A. N. Pinto, Improved Carrier Contribution Factor Estimation in Self-COherent Detection, Iberic Meeting of Optics Students IMOS, Aveiro, Portugal, June, 2022 | BibTex
T. M. F. Alves, A. Cartaxo, J. Rebola, Intercore Crosstalk in Direct-Detection Weaky-Coupled Multicore Fiber Systems, International Symposium on Extremely Advanced Transmission Technologies EXAT, virtual, Japan, November, 2021 | BibTex
R. K. Patel, F. P. Guiomar, M. Fernandes, I. Alimi, P. Monteiro, N. J. Muga, A. N. Pinto, Virtual Carrier Assisted Self-Coherent Detection Employing DC-Value Method, OSA Optical Fiber Communications - OFC, San Francisco, United States, June, 2021 | BibTex
T. M. F. Alves, J. Rebola, A. Cartaxo, Weakly-Coupled MCF Direct-Detection OOK Systems Impaired by Laser Phase Noise, OSA Optical Fiber Communications - OFC, online, United States, June, 2021 | BibTex
R. Dias, J. Rebola, A. Cartaxo, Performance Analysis of PAM4 Signal Transmission in Inter-datacenter Multicore Fiber Links Impaired by Inter-Core Crosstalk, INSTICC International Conf. on Photonics, Optics and Laser Technology - PHOTOPTICS, Conference online, February, 2021,
| Abstract | BibTex
T. Marques, T. M. F. Alves, A. Cartaxo, Short-reach 200 Gb/s SDM Network Employing Direct-detection and Optical SSBI Mitigation, INSTICC International Conf. on Photonics, Optics and Laser Technology - PHOTOPTICS, -, Portugal, Vol., pp. 122 - 130, February, 2021 | BibTex
N. J. Muga, R. K. Patel, I. Alimi, N. A. Silva, A. N. Pinto, DSP optimization for simplified coherent receivers, International Conference of Transparent Optical Network (ICTON), Bari, Italy, Vol. 1, pp. 1 - 4, July, 2020,
| Abstract | BibTex

8Theses

Optoelectronics Polarization Control for Quantum Technologies, Universidade de Aveiro, MSc Student, Sara Tamara Mantey, Supervisor: N. J. Muga, Co-supervisor: N. A. Silva, set-2019 - fev-2021
Quantum-Noise Based True Random Number Generation, Universidade de Aveiro, MSc Student, Mauricio de Jesus Ferreira, Supervisor: N. J. Muga, Co-supervisor: N. A. Silva, set-2020 - dez-2021
Low-Cost Coherent Receivers for Datacenters Based in the Kramers-Kronig Relations, Universidade de Aveiro, BSc Student, Rui Abel Pinheiro Morais, Supervisor: N. J. Muga, Co-supervisor: N. A. Silva, jan-2021 - jul-2022
>200 Gb/s Multicore fiber-based short-reach networks employing Kramers Kronig receivers, ISCTE - Instituto Universitário de Lisboa, MSc Student, João André Calado de Oliveira, Supervisor: T. M. F. Alves, Co-supervisor: A. Cartaxo, set-2020 - out-2021
Laser phase noise impaired next generation short-reach networks employing MCFs and Kramers Kronig receivers, ISCTE - Instituto Universitário de Lisboa, MSc Student, Filipe Martins Saraiva, Supervisor: T. M. F. Alves, set-2020 - out-2021
Next generation >200 Gb/s multicore fiber short-reach networks employing machine learning, ISCTE - Instituto Universitário de Lisboa, MSc Student, Derick Augusto Évora Piedade, Supervisor: T. M. F. Alves, Co-supervisor: T. Brandão, set-2020 - set-2021
Simplified Coherent Transceiver for Optical Communication Networks, Universidade de Aveiro, PhD Student, Patel RomilKumar Kantibhai, Supervisor: A. N. Pinto, Co-supervisor: N. J. Muga, set-2017 - jun-2022
Coherent Technologies for Flexible Optical Networks, Universidade de Aveiro, PhD Student, Somayeh Ziaie, Supervisor: A. N. Pinto, Co-supervisor: N. J. Muga, jan-2014 - jul-2020

Name	Type	Set by	Duration
`ASP.NET_SessionId`	Cookie	Instituto de Telecomunicações	Session (deleted when you close the browser)
`it_cookie_consent`	Cookie	Instituto de Telecomunicações	12 months

Name	Type	Set by	Duration
`_ga`	Cookie	Google Analytics	13 months
`_ga_1P84PH2BSW`	Cookie	Google Analytics	13 months

Name	Type	Set by	Duration
`VISITOR_INFO1_LIVE`	Cookie	YouTube (Google)	6 months
`VISITOR_PRIVACY_METADATA`	Cookie	YouTube (Google)	6 months
`YSC`	Cookie	YouTube (Google)	Session (deleted when you close the browser)
`__Secure-ROLLOUT_TOKEN`	Cookie	YouTube (Google)	6 months
`lastExternalReferrer`	Local storage	YouTube (Google)	Until you clear your browser data
`lastExternalReferrerTime`	Local storage	YouTube (Google)	Until you clear your browser data
`yt-remote-* / unique identifier`	Local storage	YouTube (Google)	Until you clear your browser data
`NID and other Google cookies`	Cookie	Google Maps	Up to 6 months