Nuno Alexandre Peixoto Silva

Nuno Silva

Academic position:	Researcher
Joining date:	01-04-2007
Roles in IT:	Researcher
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

https://www.orcid.org/0000-0002-6309-6818

By Authors
By Institutions

20-02-2025

Instituto de Telecomunicações Demonstrates Secure Quantum Network for Military Applications in Brussels

The team of Quantum Communications of Instituto de Telecomunicações in Aveiro conducted a demonstration of a secure quantum network for military applications in Brussels within the scope of the DISCRETION project, on 29th January 2025.

07-11-2024

Quantum Technology for Space Security: IT Leads NATO-Funded QSCAN Project

The QSCAN project will demonstrate the Secure Multiparty Computation (SMC) protocol for Space Surveillance Tracking within the Portuguese Quantum Communication Infrastructure.

05-09-2024

Daniel Pereira won the award AOP 2024 Best PhD Thesis in Optics and Photonics in Portugal

Daniel Pereira, a former researcher with the Quantum Communications Group of Instituto de Telecoimunicações (IT) and a PhD in Electrical Engineering at the University of Aveiro (UA), was recently honored at the sixth edition of the International Conference on Optics and Photonics – AOP 2024.

30-08-2024

Margarida Almeida won two prestigious awards for her contributions in quantum communications research area

Margarida Almeida, a researcher in Quantum Communications and a PhD student in Electrical Engineering at the University of Aveiro, recently received two prestigious awards at the Research Summit Conference held at the University of Aveiro, Portugal.

01-04-2024

Nuno Silva shares innovative method to make telecommunications more secure

Nuno Silva talked to 90 Segundos de Ciência podcast about a method to make cryptographic protocols used on the internet and telecommunications more secure.

12-03-2024

PTQCI project gathered experts and stakeholders

In February, national and international experts met at IT Aveiro for a kick-off Workshop on the development of the National Quantum Communications Network.

24-11-2023

IT integrates European Project Quantum Secure Networks Partnership

Officially launched in the spring, the consortium is dedicated to advancing quantum communications through its primary objective of developing and implementing quantum cryptography technology.

01-02-2022

DISCRETION project will reinforce the autonomy of the European Defense in secure communications

DISCRETION project aims to provide a set of high-security encryption services to be applied in Defense scenarios.

18-02-2021

ConfTELE: Telecoms Conference 2021 goes virtual

IT’s flagship conference returned this year with its first-ever virtual edition, under the theme “Telecommunications Technologies Pursuing Enhanced Quality of Life in Urban Environments”.

14-12-2020

When quantum randomness meets cyber security

IT research teams are embracing the opportunities of quantum cyber security, as they work towards a network server that can deploy truly random numbers to all research groups at IT.

Scientific Achievements

Degrees

PhD, Universidade de Aveiro, 01-01-2013
MSc, Universidade de Aveiro, 01-01-2008
Licenciatura, Universidade do Minho,

Affiliations

University of Aveiro, 01-01-2014,

Expertise Topics

Quantum cryptography in optical fibers
Quantum effects in optical fibers
Nonlinear and polarization effects in nonlinear materials
Secure muliparty computation
Quantum random number generation
Quantum optical detection

Academic Activities

3Lecture courses

Quantum Optics, Universidade de Aveiro, Physics

Quantum Technologies, Universidade de Aveiro, Physics

Quantum Security, Universidade de Aveiro, Master's degree in Cybersecurity

7Supervision of PhD theses

Publications

38Papers in Journals

M. Almeida, A. N. Pinto, N. A. Silva, Robustness of continuous variable quantum key distribution under strong polarization drift, EPJ Quantum Technology, Vol. 12, No. 1, pp. -, October, 2025,
| Abstract | BibTex
S. T. Mantey, N. A. Silva, A. N. Pinto, N. J. Muga, Experimental validation of a reversal operator-based QKD polarization control method, Optics Express, Vol. 33, No. 5, pp. 11745 - 11745, March, 2025,
| Abstract | BibTex
S. T. Mantey, M. Fernandes, G. Fernandes, N. A. Silva, F. P. Guiomar, P. Monteiro, A. N. Pinto, N. J. Muga, On the Coexistence of Quantum and Classical Signal Transmission Over Turbulent FSO Channels, Journal of Lightwave Technology, Vol. 43, No. 3, pp. 1043 - 1050, February, 2025,
| Abstract | BibTex
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
S. T. Mantey, N. A. Silva, A. N. Pinto, N. J. Muga, Design and implementation of a polarization-encoding system for quantum key distribution, Journal of Optics (United Kingdom), Vol. 26, No. 6, pp. 075704 - 075704, June, 2024,
| Abstract | BibTex
M. J. Ferreira, N. A. Silva, A. N. Pinto, N. J. Muga, Statistical Validation of a Physical Prime Random Number Generator Based on Quantum Noise, Applied Sciences, Vol. 13, No. 23, pp. 12619 - 12619, November, 2023,
| 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, A. N. Pinto, N. A. Silva, Polarization Diverse True Heterodyne Receiver Architecture for Continuous Variable Quantum Key Distribution, Journal of Lightwave Technology, Vol. 41, No. 2, pp. 432 - 439, January, 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. F. Ramos, A. N. Pinto, N. A. Silva, Polarization based discrete variables quantum key distribution via conjugated homodyne detection, Scientific Reports, Vol. 12, No. 1, pp. 1 - 13, April, 2022,
| Abstract | BibTex
M. F. Ramos, N. A. Silva, N. J. Muga, A. N. Pinto, Full polarization random drift compensation method for quantum communication, Optics Express, Vol. 30, No. 5, pp. 6907 - 6920, February, 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
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
N. J. Muga, M. F. Ramos, S. T. Mantey, N. A. Silva, A. N. Pinto, FPGA-Assisted State-of-Polarization Generation for Polarization-Encoded Optical Communications, IET Optoelectronics, Vol. 14, No. 6, pp. 350 - 355, December, 2020 | 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
M. Lemus, M. F. Ramos, P. Yadav, N. A. Silva, N. J. Muga, A. Souto, N. Paunkovic, P. Mateus, A. N. Pinto, Generation and Distribution of Quantum Oblivious Keys for Secure Multiparty Computation, Applied Sciences, Vol. 10, No. 12, pp. 4080 - 4080, June, 2020,
| Abstract | BibTex
M. F. Ramos, N. A. Silva, N. J. Muga, A. N. Pinto, Reversal operator to compensate polarization random drifts in quantum communications, Optics Express, Vol. 28, No. 4, pp. 5035 - 5035, February, 2020,
| Abstract | BibTex
N. A. Silva, A. N. Pinto, Optimizing the placement of spare amplifier cards to increase the achievable information rate resilience, Optical Fiber Technology, Vol. 45, No. 5, pp. 40 - 46, May, 2018,
| Abstract | BibTex
N. A. Silva, A. N. Pinto, Role of Amplifiers Gain on the Achievable Information Rate of M-ary PSK and QAM Constellations, Optics Communications, Vol. 383, No. 1, pp. 215 - 222, January, 2017,
| Abstract | BibTex
A. Almeida, N. J. Muga, N. A. Silva, J. Prata, P.S André, A. N. Pinto, Continuous Control of Random Polarization Rotations for Quantum Communications, Journal of Lightwave Technology, Vol. 34, No. 16, pp. 3914 - 3922, August, 2016,
| Abstract | BibTex
A. Almeida, A. Stojanovic, N. Paunkovic, R. Loura Loura, N. J. Muga, N. A. Silva, P. Mateus, P.S André, A. N. Pinto, Implementation of a two-state quantum bit commitment protocol in optical fibers, Journal of Optics (United Kingdom), Vol. 18, No. 1, pp. 015202 - 015202, January, 2016,
| Abstract | BibTex
N. A. Silva, A. N. Pinto, Comprehensive characterization of a heralded single photon source based on four-wave mixing in optical fibers, Optics Communications, Vol. 327, No. 9, pp. 31 - 38, September, 2014,
| Abstract | BibTex
L. P. Martins, A. Almeida, N. A. Silva, P.S André, A. N. Pinto, A different way to verify the violation of the WWZB inequality, European Physical Journal D, Vol. 68, No. 228, pp. 1 - 5, August, 2014 | BibTex
A. N. Pinto, N. A. Silva, A. Almeida, N. J. Muga, Using Quantum Technologies to Improve Fiber Optic Communication Systems, IEEE Communications Magazine, Vol. 8, No. 51, pp. 42 - 48, August, 2013,
| Abstract | BibTex
N. A. Silva, A. N. Pinto, Effects of Losses and Nonlinearities on the Generation of Polarization Entangled Photons, Journal of Lightwave Technology, Vol. 31, No. 8, pp. 1309 - 1317, April, 2013,
| Abstract | BibTex
N. A. Silva, A. N. Pinto, Role of Absorption on the Generation of Quantum-Correlated Photon Pairs Through FWM, IEEE Journal of Quantum Electronics, Vol. 48, No. 11, pp. 1380 - 1388, November, 2012,
| Abstract | BibTex
A. Almeida, N. A. Silva, P.S André, A. N. Pinto, Four-Wave Mixing: Photon Statistics and the Impact on a Co-Propagating Quantum Signal, Optics Communications, Vol. 285, No. 12, pp. 2956 - 2960, June, 2012,
| Abstract | BibTex
N. A. Silva, A. Almeida, A. N. Pinto, Interference in a Quantum Channel due to Classical Four-Wave Mixing in Optical Fibers, IEEE Journal of Quantum Electronics, Vol. 48, No. 4, pp. 472 - 479, April, 2012,
| Abstract | BibTex
N. A. Silva, N. J. Muga, A. N. Pinto, Evolution of first-order sidebands from multiple FWM processes in HiBi optical fibers, Optics Communications, Vol. 284, No. 13, pp. 3408 - 3415, April, 2011,
| Abstract | BibTex
A. Almeida, N. A. Silva, N. J. Muga, A. N. Pinto, Single-Photon Source Based on FWM With Adjustable Linear SOP, Revista do Departamento de Electrónica, Telecomunicações e Informática, Universidade de Aveiro, Vol. 5, No. 2, pp. 151 - 155, June, 2010,
| Abstract | BibTex
N. J. Muga, N. A. Silva, M. Ferreira, A. N. Pinto, Evolution of the Degree of Co-Polarization in High-Birefringence Fibers, Optics Communications, Vol. 283, No. 10, pp. 2125 - 2132, May, 2010,
| Abstract | BibTex
N. A. Silva, N. J. Muga, A. N. Pinto, Effective Nonlinear Parameter Measurement Using FWM in Optical Fibers in a Low Power Regime, IEEE Journal of Quantum Electronics, Vol. 46, No. 3, pp. 285 - 291, March, 2010,
| Abstract | BibTex
N. A. Silva, N. J. Muga, A. N. Pinto, Influence of the Stimulated Raman Scattering on the Four-Wave Mixing Process in Birefringent Fibers, Journal of Lightwave Technology, Vol. 27, No. 22, pp. 4979 - 4988, November, 2009,
| Abstract | BibTex
T. Stauber, Eduardo V. Castro, N. A. Silva, N. M. R. Peres, First-order ferromagnetic phase transition in the low electronic density regime of a biased graphene bilayer, Journal of Physics Condensed Matter, Vol. 20, No. 33, pp. 33520-1 - 33520-10, August, 2008,
| Abstract | BibTex
Eduardo V. Castro, N. M. R. Peres, T. Stauber, N. A. Silva, Low-Density Ferromagnetism in Biased Bilayer Graphene, Physical Review Letters, Vol. 100, No. 18, pp. 186803-1 - 186803-4, May, 2008,
| Abstract | BibTex

75Papers in Conferences

Í. G. Guilherme, M. Almeida, A. N. Pinto, N. A. Silva, Polarization Multiplexing CV-QKD with Polarization Drift Post-Compensation, SPIE Security + Defence, Madrid, Spain, Vol. 13676, pp. 1367608-1 - 1367608-11, September, 2025,
| Abstract | BibTex
M. Almeida, Í. G. Guilherme, A. N. Pinto, N. A. Silva, Polarization Multiplexing CV-QKD with Polarization Drift Pre-Compensation, International Conference of Transparent Optical Network (ICTON), Barcelona, Spain, Vol., pp. -, July, 2025,
| Abstract | BibTex
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
S. T. Mantey, M. Fernandes, N. A. Silva, G. Fernandes, N. K. Kaai, F. P. Guiomar, P. Monteiro, A. N. Pinto, N. J. Muga, Integrated Communications and Sensing in a 1.8km FSO Field Trial: Stokes-based SOP Monitoring and Tracking at 400 Gbps, Optical Fiber Conference (OFC), San Francisco, California, United States, March, 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
N. J. Muga, S. T. Mantey, N. A. Silva, M. Fernandes, G. Fernandes, F. P. Guiomar, P. Monteiro, A. N. Pinto, Coexistence of Classical and Quantum Signals in Hybrid Fiber and Free-Space Optics Links for QKD Integration, International Conf. on Transparent Networks – ICTON, Bari, Italy, Vol., pp. -, July, 2024 | 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
S. T. Mantey, M. Fernandes, G. Fernandes, N. A. Silva, F. P. Guiomar, P. Monteiro, A. N. Pinto, N. J. Muga, Impact of Fast Power Fluctuations Caused by Atmospheric Turbulence on Polarization Measurements, International Conference on Application of Optics and Photonics AOP2024, Aveiro, Portugal, July, 2024 | BibTex
M. J. Ferreira, N. A. Silva, A. N. Pinto, N. J. Muga, Searching for Bias in Commercial Quantum Random Number Generators, International Conf. on Applications of Optics and Photonics - AOP, Aveiro, Portugal, July, 2024 | BibTex
M. Costa, S. T. Mantey, N. A. Silva, A. N. Pinto, N. J. Muga, Link Analysis for Satellite-Based Quantum Key Distribution, International Conference on Application of Optics and Photonics AOP2024, Aveiro, Portugal, July, 2024 | BibTex
H. Costa, N. J. Muga, N. A. Silva, A. N. Pinto, Advanced Algorithms for Optimization of QKD Encoding Subsystems, International Conference on Application of Optics and Photonics AOP2024, 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
S. T. Mantey, N. A. Silva, A. N. Pinto, N. J. Muga, AI-Assisted Polarization Basis Alignment for Quantum Key Distribution System Receivers, International Conference of Transparent Optical Network (ICTON), Bucharest, Romania, Vol., pp. -, July, 2023,
| Abstract | BibTex
N. A. Silva, M. J. Ferreira, M. A. Carvalho, A. Souto, N. Paunkovic, P. Mateus, A. Teixeira, A. N. Pinto, A Network Server for Distributing Quantum Random Numbers, International Conf. on Transparent Networks – ICTON, Bucharest, Romania, Vol., pp. -, July, 2023,
| Abstract | BibTex
M. J. Ferreira, M. A. Carvalho, N. A. Silva, A. N. Pinto, N. J. Muga, Probable Prime Generation from a Quantum Randomness Source, International Conf. on Transparent Networks – ICTON, Bucharest, Romania, Vol., pp. -, July, 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
S. T. Mantey, M. F. Ramos, N. A. Silva, A. N. Pinto, N. J. Muga, Frame Synchronization for Quantum Key Distribution Systems, IEEE Global Communications Conference - GLOBECOM, Rio de Janeiro, Brazil, Vol., pp. -, December, 2022,
| Abstract | BibTex
C. Bastos, A. N. Pinto, N. A. Silva, N. J. Muga, El Proyecto DISCRETION: Redes definidas por software y criptografía cuántica en comunicaciones para la defensa, IX Congreso Nacional de i+d en Defensa y Seguridad DESEI+D, Pontevedra, Spain, November, 2022 | 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. J. Ferreira, N. A. Silva, N. J. Muga, Quantum-Noise Based True Random Number Generation, Iberic Meeting of Optics Students IMOS, Aveiro, Portugal, Vol., pp. 17 - 17, June, 2022,
| Abstract | BibTex
M. J. Ferreira, N. A. Silva, N. J. Muga, Efficient Randomness Extraction in Quantum Random Number Generators, SBRC Workshop de Comunicação e Computação Quântica WQuantum, Fortaleza, Brazil, Vol., pp. -, May, 2022,
| Abstract | BibTex
D. Pereira, N. A. Silva, A. N. Pinto, Impact of Shot Noise Estimation on the Secret Key Rate of a CV-QKD System, SBRC Workshop de Comunicação e Computação Quântica WQuantum, Fortaleza, Brazil, Vol., pp. -, May, 2022,
| Abstract | Full text (PDF 274 KBs) | BibTex
H. Costa, N. J. Muga, N. A. Silva, A. N. Pinto, Optimization of a Polarization-Encoding System for Practical Quantum Key Distribution, SBRC Workshop de Comunicação e Computação Quântica WQuantum, Fortaleza, Brazil, Vol., pp. -, May, 2022 | 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
S. T. Mantey, M. F. Ramos, N. A. Silva, A. N. Pinto, N. J. Muga, Demonstration of a Polarization encoding Quantum Key Distribution System, SBRC Workshop de Comunicação e Computação Quântica WQuantum, Fortaleza, Brazil, Vol., pp. -, May, 2022,
| Abstract | BibTex
S. T. Mantey, M. F. Ramos, N. A. Silva, A. N. Pinto, N. J. Muga, Demonstration of an Algorithm for Quantum State Generation in Polarization-Encoding QKD Systems, OSA Optical Fiber Communications - OFC, San Diego, United States, March, 2022,
| Abstract | BibTex
D. Pereira, N. A. Silva, A. N. Pinto, A polarization diversity CV-QKD detection scheme for channels with strong polarization drift, IEEE International Conference on Quantum Computing and Engineering QCE, Conference online, October, 2021,
| Abstract | Full text (PDF 1 MB) | BibTex
M. J. Ferreira, D. Pereira, N. J. Muga, N. A. Silva, A. N. Pinto, Time-interleaved quantum random number generation within a coherent classical communication channel, SBRC Workshop de Comunicação e Computação Quântica WQuantum, Uberlândia, Brazil, August, 2021,
| Abstract | Full text (PDF 535 KBs) | BibTex
M. F. Ramos, N. A. Silva, N. J. Muga, A. N. Pinto, Reference Clock Signal Distribution for Quantum Key Distribution, SBRC Workshop de Comunicação e Computação Quântica WQuantum, Uberlândia, Brazil, August, 2021,
| Abstract | BibTex
S. T. Mantey, M. F. Ramos, N. A. Silva, N. J. Muga, A. N. Pinto, Algorithm for State-Of-Polarization Generation in Polarization-Encoding Quantum Key Distribution, Telecoms Conference ConfTELE, Leiria, Portugal, February, 2021,
| Abstract | Full text (PDF 1 MB) | 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
M. J. Ferreira, N. A. Silva, A. N. Pinto, N. J. Muga, Homodyne Noise Characterization in Quantum Random Number Generators, Telecoms Conference ConfTELE, Leiria, Portugal, February, 2021,
| Abstract | 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
N. A. Silva, D. Pereira, N. J. Muga, A. N. Pinto, Practical Imperfections Affecting the Performance of CV-QKD Based on Coherent Detection, International Conf. on Transparent Optical Networks - ICTON, Bari, Italy, Vol., pp. 1 - 4, July, 2020,
| Abstract | BibTex
A. N. Pinto, L. Ortiz, M. Santos, G. Gomes, J. Brito, N. J. Muga, N. A. Silva, P. Mateus, V. Martin, Quantum Enabled Private Recognition of Composite Signals in Genome and Proteins (Invited), International Conf. on Transparent Optical Networks - ICTON, Bari, Italy, July, 2020,
| Abstract | Full text (PDF 446 KBs) | BibTex
N. J. Muga, M. F. Ramos, S. T. Mantey, N. A. Silva, A. N. Pinto, Deterministic State-of-Polarization Generation for Polarization-Encoded Optical Communications, Microwave and Optoelectronics Conference (IMOC) SBMO/IEEE MTT-S International IMOC, Aveiro, Portugal, November, 2019,
| Abstract | BibTex
M. F. Ramos, N. A. Silva, N. J. Muga, A. N. Pinto, Fast Polarization Basis Alignment For Quantum Communications, OSA Frontiers in Optics, Washington DC, United States, September, 2019,
| Abstract | BibTex
N. J. Muga, R. K. Patel, I. Alimi, N. A. Silva, A. N. Pinto, Self-coherent optical detection for access and metro networks, International Conference on Transparent Optical Networks ICTON, Angers, France, Vol. WeD2.5, pp. -, July, 2019 | BibTex
M. Facão, V.H.F. Ferreira, A. L. Marques, T. Freitas, N. A. Silva, Strategies of Legitimate Parties and an Eavesdropper for Discretely Modulated Continuous-Variables Quantum Key Distribution Protocols, International Conf. on Transparent Networks – ICTON, Angers, France, Vol. We.D5.2, pp. -, July, 2019,
| Abstract | 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
A. N. Pinto, M. F. Ramos, A. Santos, N. A. Silva, N. J. Muga, The Impact of Fiber Random Birefringence in Polarization-Encoded Quantum Communications, International Conf. on Transparent Networks – ICTON, Angers, France, Vol., pp. -, July, 2019 | BibTex
A. N. Pinto, M. F. Ramos, N. A. Silva, N. J. Muga, Generation and Distribution of Oblivious Keys through Quantum Communications (Invited), International Conference on Transparent Optical Networks ICTON, Bucareste, Romania, July, 2018,
| Abstract | BibTex
A. N. Pinto, N. A. Silva, N. J. Muga, A. Almeida, D. Pereira, Quantum Communications: An Engineering Approach, International Conf. on Transparent Optical Networks - ICTON, Girona, Spain, July, 2017 | BibTex
D. Pereira, M. Facão, N. A. Silva, A. N. Pinto, Quantum Key Distribution with Continuous Variables, Doctoral Congress in Engineering - Symposium on Electrical and Computer Engineering, Porto, Portugal, Vol., pp. 246 -, June, 2017,
| Abstract | BibTex
A. Almeida, N. A. Silva, N. J. Muga, P.S André, A. N. Pinto, Determining the Number of Bits Required for the Estimation of the QBER in Quantum Communication Systems, Conf. on Telecommunications - ConfTele, Aveiro, Portugal, Vol. 1, pp. 178 - 181, September, 2015,
| Abstract | BibTex
N. A. Silva, A. N. Pinto, Heralded single photon source from spontaneous four-wave mixing process in lossy waveguides, SPIE Security + Defense, Toulouse, France, Vol. 9648, pp. 964814-1 - 964814-9, September, 2015,
| Abstract | BibTex
N. A. Silva, B. Tiburcio, D. Pereira, M. Facão, A. N. Pinto, Quantum communications based on continuous variables, Conf. on Telecommunications - ConfTele, Aveiro, Portugal, Vol. 1, pp. 413 - 416, September, 2015,
| Abstract | BibTex
A. Almeida, B. Tiburcio, N. J. Muga, N. A. Silva, A. N. Pinto, Comunicações Seguras Usando a Luz, Feira de Ciências À DESCOBERTA DA LUZ, Viana do Castelo, Portugal, Vol. 1, pp. 1 - 1, May, 2015 | BibTex
A. Almeida, N. A. Silva, N. J. Muga, P.S André, A. N. Pinto, Calculation of the number of bits required for the estimation of the bit error ratio, International Conf. on Applications of Optics and Photonics - AOP, Aveiro, Portugal, Vol. 1, pp. 1 - 6, May, 2014 | BibTex
A. Almeida, R. Loura Loura, N. Paunkovic, N. A. Silva, N. J. Muga, P. Mateus, P.S André, A. N. Pinto, A brief review on quantum bit commitment, International Conf. on Applications of Optics and Photonics - AOP, Aveiro, Portugal, Vol. 1, pp. 1 - 8, May, 2014 | BibTex
N. A. Silva, A. N. Pinto, Photon-Pair Generation in Lossy Waveguides, International Conf. on Applications of Optics and Photonics - AOP, Aveiro, Portugal, Vol. 9286, pp. 92861E-1 - 92861E-7, May, 2014,
| Abstract | BibTex
A. N. Pinto, N. A. Silva, A. Almeida, N. J. Muga, Using Single Photons to Improve Fiber Optic Communication Systems, International Conference on Applications of Optics and Photonics - AOP2014, Aveiro, Portugal, Vol. 9286, pp. 92861B-1 - 92861B-10, May, 2014 | BibTex
N. A. Silva, A. N. Pinto, Photon-Pair Generation in Chalcogenide Glass: Role of Waveguide Linear Absorption, INSTICC International Conf. on Photonics, Optics and Laser Technology - PHOTOPTICS, Lisboa, Portugal, Vol. 1, pp. 5 - 10, January, 2014,
| Abstract | BibTex
N. A. Silva, A. N. Pinto, Characterization of a fiber based heralded single photon source at telecom wavelength, RIAO/OPTILAS, Porto, Portugal, Vol. 8785, pp. 8785F0-1 - 8785F0-5, July, 2013,
| Abstract | BibTex
A. Almeida, N. J. Muga, N. A. Silva, A. Stojanovic, P.S André, A. N. Pinto, J. M. Mora, J. C. Capmany, Enabling Quantum Communications through Accurate Photons Polarization Control, RIAO/OPTILAS, Porto, Portugal, Vol. 1, pp. 1 - 8, July, 2013,
| Abstract | BibTex
A. Almeida, D. J. Macedo, N. A. Silva, N. J. Muga, P.S André, A. N. Pinto, Quantum Communication Using Polarization-Encoded Photons in Optical Fibers, Conf. on Telecommunications - ConfTele, Castelo Branco, Portugal, Vol. 1, pp. 205 - 208, May, 2013,
| Abstract | BibTex
A. Almeida, N. A. Silva, P.S André, A. N. Pinto, Four-wave mixing: Photon statistics and the impact on a co-propagating quantum signal, Conf. on Quantum Cryptography - QCRYPT, Singapore, Singapore, Vol. 1, pp. 1 - 3, September, 2012,
| Abstract | BibTex
A. Almeida, N. A. Silva, P.S André, A. N. Pinto, Impact of FWM Process on the Statistics of a Co-Propagating Quantum Signal in a WDM Lightwave System, International Conf. on Transparent Optical Networks - ICTON, Coventry, United Kingdom, Vol. 1, pp. Tu.P.6-1 - Tu.P.6-4, July, 2012,
| Abstract | BibTex
A. Almeida, N. A. Silva, P.S André, A. N. Pinto, Experimental Characterization of the Photon Statistics of Four-Wave Mixing Photon Source, European Conf. on Networks and Optical Communications and Conf. on Optical Cabling and Infrastructure - NOC/OC, Vilanova i la Geltrú, Spain, Vol. 1, pp. 142 - 147, June, 2012,
| Abstract | BibTex
A. Almeida, N. J. Muga, N. A. Silva, P.S André, A. N. Pinto, Long-Term Time Evolution Measurements of Polarization Drift in Optical Fibers, Symp. on Enabling Optical Networks and Sensors - SEONS, Porto, Portugal, Vol. 1, pp. 1 - 4, June, 2012,
| Abstract | BibTex
A. N. Pinto, A. Almeida, N. A. Silva, N. J. Muga, L. M. Pinto, Engineering Quantum Communication Systems, SPIE Photonics Europe, Brussels, Belgium, Vol. 8440, pp. 84400B-1 - 84400B-13, April, 2012 | BibTex
A. Almeida, L. M. Pinto, N. A. Silva, N. J. Muga, A. N. Pinto, Correlated Photon-Pair Generation in a Highly Nonlinear Fiber Using Spontaneous FWM, Symp. on Enabling Optical Networks - SEON, Aveiro, Portugal, Vol. 1, pp. 1 - 4, July, 2011,
| Abstract | BibTex
A. N. Pinto, A. Almeida, N. A. Silva, N. J. Muga, L. M. Pinto, Optical Quantum Communications: An Experimental Approach, International Conf. on Applications of Optics and Photonics - AOP, Braga, Portugal, Vol. -, pp. - - -, May, 2011 | BibTex
A. Almeida, N. A. Silva, N. J. Muga, A. N. Pinto, Single-Photon Source Using Stimulated FWM in Optical Fibers for Quantum Communication, International Conf. on Applications of Optics and Photonics - AOP, Braga, Portugal, Vol. 1, pp. 1 - 7, May, 2011,
| Abstract | BibTex
A. Almeida, S. R. Carneiro, N. A. Silva, N. J. Muga, A. N. Pinto, Polarization-Entangled Photon Pairs Using Spontaneous Four-Wave Mixing in a Fiber Loop, Conf. on Telecommunications - ConfTele, Lisboa, Portugal, Vol. 1, pp. 1 - 4, April, 2011,
| Abstract | BibTex
N. A. Silva, A. Almeida, A. N. Pinto, Statistical Characterization of a Single-Photon Source Based on Stimulated FWM in Optical Fibers, Conf. on Telecommunications - ConfTele, Lisbon, Portugal, Vol. 1, pp. 1 - 4, April, 2011,
| Abstract | BibTex
N. J. Muga, N. A. Silva, M. Ferreira, A. N. Pinto, Relative State-of-Polarization in High-Birefringence Fibers, European Conf. on Networks and Optical Communications - NOC, Faro, Portugal, Vol. 1, pp. 121 - 126, June, 2010,
| Abstract | BibTex
N. J. Muga, N. A. Silva, M. Ferreira, A. N. Pinto, Generalized Analysis of the Polarization Evolution in High-Birefringence Fibers, International Conf. on Transparent Networks – ICTON, Munich, Germany, Vol. 1, pp. MoP2 -, June, 2010,
| Abstract | BibTex
N. A. Silva, N. J. Muga, A. N. Pinto, Measurement of the Effective Nonlinear Parameter Using FWM in Random Polarization Optical Fibers, European Conf. on Networks and Optical Communications - NOC, Faro, Portugal, Vol. 1, pp. 185 - 190, June, 2010,
| Abstract | BibTex
A. Almeida, S. R. Carneiro, N. A. Silva, N. J. Muga, A. N. Pinto, Time Coincidence of Entangled Photon Pairs Using Spontaneous Four-Wave Mixing in a Fiber Loop, Symp. on Enabling Optical Networks - SEON, Porto, Portugal, Vol. 1, pp. 1 - 2, June, 2010,
| Abstract | BibTex
A. Almeida, N. A. Silva, N. J. Muga, A. N. Pinto, Fiber-Optical Communication System Using Polarization-encoding Photons, European Conf. on Networks and Optical Communications and Conf. on Optical Cabling and Infrastructure - NOC/OC, Faro, Portugal, Vol. 1, pp. 127 - 132, June, 2010,
| Abstract | BibTex
N. A. Silva, N. J. Muga, A. N. Pinto, Single-Photon Generation, Conf. on Telecommunications - ConfTele, Santa Maria da Feira, Portugal, Vol. 1, pp. 35 - 38, May, 2009,
| Abstract | BibTex

1Non-refereed Publications

N. A. Silva, M. J. Ferreira, S. T. Mantey, M. Almeida, G. Anjos, N. J. Muga, A. N. Pinto, Tecnologias Quânticas em Criptografia, PTDC/EEI-TEL/8017/2020, May 2025,
| Abstract | Full text (PDF 225 KBs) | Other Resources

Patents

1Patents

P.S André, A. N. Pinto, A. Almeida, N. J. Muga, N. A. Silva, J. Prata, Sistema de comunicações quânticas e método de operação, PT109067, National, Granted, 30-12-2015, Portugal,
| Abstract

Projects

Currently running projects3

Acronym	Name	Funding Agency	Start date	Ending date
QSCAN	Quantum-Enabled Secure Multiparty Computation for Space Surveillance Tracking	NATO	01-03-2024	28-02-2027
QSNP	Quantum Secure Networks Partnership	EU	01-03-2023	31-08-2026
QuantaGenomics	Quantum Enabled Secure Multiparty Computation for Genomic Medicine	EU / FCT / Programme ERA-NET Cofund QuantERA II	01-05-2022	30-04-2026

Closed Projects17

Acronym	Name	Funding Agency	Start date	Ending date
COHERENTINUOUS	Coherent detection and advanced digital signal processing techniques for broadband and quantum secure optical communication systems	FCT, IT/LA	01-01-2018	01-12-2023
CV-Quantum	Improving Security and Capacity Using Continuous Variables Quantum Communications	IT/LA	01-02-2014	01-06-2016
DISCRETION	Disruptive SDN secure communications for European Defence	EU	01-12-2021	31-05-2025
DSPMetroNet	DSP Functions for Simplified Coherent Transceivers in Optical Metropolitan Networks	FCT/POCI	01-07-2018	31-12-2021
NG-COS	Next-Generation Coherent Optical Communication Systems	IT/LA	01-09-2011	01-08-2013
OSP-HNLF	OSP-HNLF - Optical Signal Processing Using Highly Nonlinear Fibers	FCT/PTDC	01-05-2010	01-04-2013
P-Quantum	Practical Quantum Communications	IT/LA	01-09-2011	01-08-2013
PTQCI	Portuguese Quantum Communications Infrastructure - PTQCI	EU	01-01-2023	30-06-2025
Q.DOT	SI I&DT Copromoção Nr. 039728 - Distributed Quantum Oblivious Transfer	P2020	01-10-2019	30-06-2022
QSCRIPTED	Quantum Secure Communication Field Experiment	Gabinete Nacional de Segurança	10-05-2021	09-07-2021
QuantPrivNet	Quantum-Enabled Security and Privacy in Future Optical Communication Networks	FCT	01-01-2019	31-12-2024
QuantumMining	Quantum Primitives for Privacy Preserving Data Mining	FCT	01-09-2018	28-02-2022
QuantumPrime	Generation of Prime Numbers Enabled by Quantum Technologies for Cryptographic Applications	FCT	01-02-2021	31-01-2024
QUESTS	QUANTUM ENABLED SECURITY AND PRIVACY IN VEHICULAR NETWORKS	FCT	01-02-2020	30-06-2022
QuGENOME	Quantum Enabled Private Recognition of Composite Signals in Genome	EU	01-12-2020	31-03-2022
QuRunner	Development of a quantum random number generator network server	IT	01-02-2020	31-07-2022
SoftTransceiver	Software Defined Transceiver for Flexible Optical Networks	IT	01-04-2016	01-12-2018

Other Scientific Achievements

12Awards

Í. G. Guilherme, M. Almeida, A. N. Pinto, N. A. Silva, Best Paper Award, Best paper award for the paper entitled "Polarization Multiplexing CV-QKD with Polarization Drift Post-Compensation", presented at SPIE Security + Defence, held in Madrid, Spain, Sept. 2023, 01-09-2025
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
M. J. Ferreira, D. Pereira, N. J. Muga, N. A. Silva, A. N. Pinto, Best paper in Workshop, Best paper in the Workshop de Comunicação e Computação Quântica – Time-interleaved quantum random number generation within a coherent classical communication channel, received in the 1st Communication and Quantum Computing Workshop (WQuantum), 16 August, Uberlândia, Brazil, 01-08-2021
S. T. Mantey, M. F. Ramos, N. A. Silva, N. J. Muga, A. N. Pinto, Best Paper Award, Best Paper Award For the paper entitled Algorithm for State-Of-Polarization Generation in Polarization-Encoding Quantum Key Distribution, presented at the 2021 Telecoms Conference (ConfTELE), the 12th conference on telecommunications, held in Leiria Portugal, 11-12 February 2021., 01-02-2021
M. F. Ramos, N. A. Silva, A. N. Pinto, Best PhD oral communication, "Fast and Secure Multiparty Computation Enabled by Quantum Communication Technologies" presented at Research Summit 2019, held at the University of Aveiro, Portugal, July 3-5 2019. The award has been attributed for the scientific quality and organization of the work., 01-07-2019
D. Pereira, M. Facão, N. A. Silva, A. N. Pinto, Best PhD oral communication, Best PhD oral communication for the Symposium on Engineering Physics: Daniel Pereira – Quantum Key Distribution with Continuous Variables, received in the 2nd Doctoral Congress in Engineering, 8-9 June, Porto, Portugal, 01-06-2017
N. A. Silva, A. N. Pinto, Best Student Paper Award, for the paper entitled ''Photon-Pair Generation in Chalcogenide Glass - Role of Waveguide Linear Absorption'' presented at the International Conference on Photonics, Optics and Laser Technology (PHOTOPTICS), held in Lisbon - Portugal, 01-01-2014
A. Almeida, N. J. Muga, N. A. Silva, P.S André, A. N. Pinto, SEONS Best Student Paper, Best Student Paper on Optical Communication in the X SEONS, in Porto, 01-06-2012

Other Contributions

2Conference Committees

SBRC Workshop de Comunicação e Computação Quântica WQuantum, Organizing Committee, 2022
SBRC Workshop de Comunicação e Computação Quântica WQuantum, Organizing Committee, 2021

4Editorial Committees

Editorial Board, Frontiers in Physics, 01-09-2023 - 31-08-2025
Editorial Board, Frontiers in Communication, 24-02-2023 - 24-02-2025
Editorial Board, Applied Sciences, 12-01-2021 - 11-01-2026
Area Editor, Applied Sciences, 12-01-2021 - 11-01-2026

Related UN SDG

Activities from this researcher fall under the following United Nations Strategic Development Goals (SDGs):

IT Member Profile

Nuno Silva

20-02-2025

Instituto de Telecomunicações Demonstrates Secure Quantum Network for Military Applications in Brussels

07-11-2024

Quantum Technology for Space Security: IT Leads NATO-Funded QSCAN Project

05-09-2024

Daniel Pereira won the award AOP 2024 Best PhD Thesis in Optics and Photonics in Portugal

30-08-2024

Margarida Almeida won two prestigious awards for her contributions in quantum communications research area

01-04-2024

Nuno Silva shares innovative method to make telecommunications more secure

12-03-2024

PTQCI project gathered experts and stakeholders

24-11-2023

IT integrates European Project Quantum Secure Networks Partnership

01-02-2022

DISCRETION project will reinforce the autonomy of the European Defense in secure communications

18-02-2021

ConfTELE: Telecoms Conference 2021 goes virtual

14-12-2020

When quantum randomness meets cyber security

Scientific Achievements

As Supervisor

As Co-supervisor

As Supervisor

As Co-supervisor

As Supervisor

As Co-supervisor

As Supervisor

Currently running projects3

Closed Projects17