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IT Member Profile

... Margarida Ribau Almeida

PhD Student

Margarida Almeida

Academic position: PhD Student
Joining date: 01-10-2018
Roles in IT: PhD Student
Thematic Line: Optics and Photonics
Group: Optical Quantum Communications – Av

Email: Send Email
Address: IT – Aveiro
Instituto de Telecomunicações
Campus Universitário de Santiago
P-3810-193 AVEIRO - PORTUGAL
Tel: +351 234 377 900
Fax: +351 234 377 901

CienciaID
http://www.cienciavitae.pt/AA1E-A1EF-BE39

ORCID iD
https://www.orcid.org/0000-0003-1812-5971

LinkedIn

Scientific Achievements

  • Real Time Implementation of a Continuous Variable Quantum Key Distribution System, Universidade de Aveiro, PhD Student, Margarida Ribau Almeida, Supervisor: N. A. Silva, Co-supervisor: A. N. Pinto, out-2018 - dez-9999
1Supervision of BSc theses
As Co-supervisor
7Papers in Journals
  • M. Almeida, D. Pereira, A. N. Pinto, N. A. Silva, Classical channel bandwidth requirements in continuous variable quantum key distribution systems, IET Quantum Communication, Vol. 0, No. 0, pp. 1 - 11, July, 2024,
    | Abstract     | BibTex
  • D. Pereira, M. Almeida, A. N. Pinto, N. A. Silva, Impact of transmitter imbalances on the security of continuous variables quantum key distribution, EPJ Quantum Technology, Vol. 10, No. 1, pp. 1 - 13, June, 2023,
    | Abstract     | BibTex
  • M. Almeida, D. Pereira, M. Facão, A. N. Pinto, N. A. Silva, Reconciliation Efficiency Impact on Discrete Modulated CV-QKD Systems Key Rates, Journal of Lightwave Technology, Vol. 41, No. 19, pp. 6134 - 6141, May, 2023,
    | Abstract     | BibTex
  • D. Pereira, M. Almeida, M. Facão, A. N. Pinto, N. A. Silva, Probabilistic shaped 128-APSK CV-QKD transmission system over optical fibres, Optics Letters, Vol. 47, No. 15, pp. 3948 - 3948, July, 2022,
    | Abstract     | BibTex
  • M. Almeida, D. Pereira, N. J. Muga, M. Facão, A. N. Pinto, N. A. Silva, Secret key rate of multi-ring M-APSK continuous variable quantum key distribution, Optics Express, Vol. 29, No. 23, pp. 38669 - 38669, November, 2021,
    | Abstract     | Full text (PDF 2 MBs) | BibTex
  • D. Pereira, M. Almeida, M. Facão, A. N. Pinto, N. A. Silva, Impact of receiver imbalances on the security of continuous variables quantum key distribution, EPJ Quantum Technology, Vol. 8, No. 1, pp. 1 - 12, October, 2021,
    | Abstract     | BibTex
  • M. Almeida, D. Pereira, M. Facão, A. N. Pinto, N. A. Silva, Impact of imperfect homodyne detection on measurements of vacuum states shot noise, Optical and Quantum Electronics, Vol. 52, No. 503, pp. 1 - 13, November, 2020,
    | Abstract     | BibTex
12Papers in Conferences
  • C. Bastos, F. Pinto, R. Bacar, G. Anjos, M. Almeida, A. N. Pinto, R. Chaves, T. Dias, J. Afonso, R. Calé, M. Freitas, L. Maia, L. Magalhães, A. Muñiz, R. Cantó, J. Brito, J. Ballesta, R. Méndez, S. Laschet, S. Ramacher, P. James, L. Torresetti, P. Piscione, A. Abdulwahed, P. Giardina, V. Martin, L. Ortiz, A. Pastor, N. J. Muga, N. A. Silva, DL Lopez, M. Vieira, DISCRETION: First field demonstration of a quantum enabled SDN in the context of a military exercise, International Conference on Military Communications and Information Systems ICMCIS ICMCIS, Oeiras, Portugal, Vol., pp. -, May, 2025,
    | Abstract     | BibTex
  • M. Almeida, A. N. Pinto, N. A. Silva, Slice Reconciliation in Continuous-Variable Quantum Key Distribution using Discrete Modulation, Photoptics, Porto, Portugal, Vol., pp. -, February, 2025,
    | Abstract     | BibTex
  • M. Almeida, A. N. Pinto, N. A. Silva, Polarization Drift Impact on the Performance of CV-QKD, Conf. on Quantum Cryptography - QCRYPT, Vigo, Spain, September, 2024 | BibTex
  • N. A. Silva, M. Almeida, N. J. Muga, A. N. Pinto, Impact of Limited Classical Channel Bandwidth on the Secret Key Rate of a CV-QKD system, International Conf. on Transparent Networks – ICTON, Bari, Italy, Vol., pp. -, July, 2024,
    | Abstract     | BibTex
  • M. Almeida, G. Anjos, J. Martins, A. N. Pinto, N. A. Silva, An FPGA-based Physical Layer for a CV-QKD System, International Conf. on Applications of Optics and Photonics - AOP, Aveiro, Portugal, Vol., pp. -, July, 2024 | BibTex
  • M. Almeida, A. N. Pinto, N. A. Silva, Modulation variance optimization in discrete modulated CV-QKD systems, SPIE Sensors + Imaging, Amsterdam, Netherlands, Vol., pp. -, September, 2023,
    | Abstract     | BibTex
  • G. Anjos, M. Almeida, J. Martins, N. A. Silva, N. J. Muga, A. N. Pinto, An FPGA-based physical layer approach for a CV-QKD transmitter, International Conference of Transparent Optical Network (ICTON), Bucharest, Romania, Vol., pp. -, July, 2023,
    | Abstract     | BibTex
  • D. Pereira, N. A. Silva, M. Almeida, A. N. Pinto, Optimization of continuous variables quantum key distribution using discrete modulation, SPIE Sensors + Imaging, Berlin, Germany, September, 2022,
    | Abstract     | BibTex
  • M. Almeida, A. N. Pinto, N. A. Silva, CV-QKD Imperfections Impact on Shot-Noise Measurement, Iberic Meeting of Optics Students IMOS, Aveiro, Portugal, Vol., pp. -, June, 2022,
    | Abstract     | BibTex
  • M. Almeida, D. Pereira, N. J. Muga, M. Facão, A. N. Pinto, N. A. Silva, CV-QKD Security Limits Using Higher-Order Probabilistic Shaped Regular M-APSK Constellations, SBRC Workshop de Comunicação e Computação Quântica WQuantum, Fortaleza, Brazil, Vol., pp. -, May, 2022,
    | Abstract     | BibTex
  • M. Almeida, M. Facão, N. J. Muga, A. N. Pinto, N. A. Silva, Secret key extraction in direct reconciliation CV-QKD systems, Telecoms Conference ConfTELE, Leiria, Portugal, Vol., pp. -, February, 2021 | BibTex
  • N. A. Silva, M. Almeida, D. Pereira, M. Facão, N. J. Muga, A. N. Pinto, Role of Device Imperfections on the Practical Performance of Continuous-Variable Quantum Key Distribution Systems, International Conf. on Transparent Networks – ICTON, Angers, France, Vol. We.D5.3, pp. -, July, 2019,
    | Abstract     | BibTex

Closed Projects1

Acronym Name Funding Agency Start date Ending date
Q.DOT SI I&DT Copromoção Nr. 039728 - Distributed Quantum Oblivious Transfer P2020 01-10-2019 30-06-2022
5Awards
  • M. Almeida, A. N. Pinto, N. A. Silva, Best paper award at Photoptics 2025, Best paper award with the paper titled “Slice Reconciliation in Continuous-Variable Quantum Key Distribution using Discrete Modulation” received at at 13th International Conference on Photonics, Optics and Laser Technology (Photoptics) in February 2025., 01-02-2025
  • M. Almeida, A. N. Pinto, N. A. Silva, Best Communication Award, Best communication award with the work entitled "Optimization of CV-QKD Systems for Field Deployment" exploring the topic of PhD thesis, received in the Research Summit 2024, Aveiro, Portugal, July 2024, 01-07-2024
  • M. Almeida, A. N. Pinto, N. A. Silva, Best Communication Award, Best communication in Engineering award with the work entitled "Optimization of CV-QKD Systems for Field Deployment" exploring the topic of PhD thesis, received in the Research Summit 2024, Aveiro, Portugal, July 2024, 01-07-2024
  • M. Almeida, A. N. Pinto, N. A. Silva, Best Paper Award, Best paper award for the paper entitled "Modulation variance optimization in discrete modulated CV-QKD systems", presented at Emerging Imaging and Sensing Technologies for Security and Defense conference, part of SPIE Sensors + Imaging 2023 (Security + Defense), held in Amsterdam, Netherlands, Sept. 2023, 01-09-2023
  • M. Almeida, D. Pereira, N. J. Muga, M. Facão, A. N. Pinto, N. A. Silva, Best paper in Workshop, Best paper in the II Workshop de Comunicação e Computação Quântica with the paper entitled "CV-QKD Security Limits Using Higher-Order Probabilistic Shaped Regular M-APSK Constellations", received in the II Workshop de Comunicação e Computação Quântica (WQuantum) from XL Simpósio Brasileiro de Redes de Computadores e Sistemas Distribuídos, 23 May, Uberlândia, Brazil, 2022, 01-05-2022
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