Emmanuel Zambrini Cruzeiro

Academic position:	Assistant Professor
Joining date:	01-07-2021
Roles in IT:	Researcher
Thematic Line:	Basic Sciences and Enabling Technologies
Group:	Physics of Information and Quantum Technologies - Lx

Email: Send Email
Address: IT – Lisboa
Instituto Superior Técnico - Torre Norte - Piso 10
Av. Rovisco Pais, 1
1049 - 001 Lisboa
Tel: +351 21 841 84 54

Alternative Personal Web Page

http://www.cienciavitae.pt/7019-9F88-0E89

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SCHOLAR LinkedIn

First secure quantum time transfer in Portugal under the EuroQCI/PTQCI project

Portugal has achieved a historic milestone in the field of quantum communication by successfully carrying out, for the first time, a secure quantum time transfer within the national territory.

Launch of QIQO: A New Hub for Quantum Research

The official kick-off ceremony of QIQO - Quantum Information & Quantum Optics hub - took place on July 16th, marking the beginning of this joint initiative between IPFN and Instituto de Telecomunicações (IT).

FCT Announces Provisional Results of Exploratory Projects under the CMU, MIT, and UT Austin Portugal Programs

Instituto de Telecomunicações (IT) is among the four research institutions recognized in this call, with two awarded projects in the field of Quantum Communications, one project led by the researcher João Ribeiro, and another, coordinated by the principal investigator Emmanuel Zambrini Cruzeiro:

NEWS@IT - Latest Issue

In this issue 120, we highlight the latest issues of our researchers.

Quantum Communications at IT leading the Way in International Year of Quantum Science and Technology

IT continues to make significant advancements in quantum communications, leading a diverse portfolio of projects across multiple sectors, with a particular focus on defense. The ongoing research and collaborations position IT as a key player in shaping the future of quantum technology.

NEWS@IT - Latest Issue

In this issue 119, we highlight the latest achievements of our researchers.

Paper on quantum science featured in the prestigious American Journal of Physics

The paper "Simple portable quantum key distribution for science outreach", authored by PhD Student Pedro Neto Mendes, and our researchers and professors from Instituto Superior Técnico, Paulo André and Emmanuel Zambrini Cruzeiro, earned a prominent place and was featured on the front cover of the scientific journal American Journal of Physics.

Instituto de Telecomunicações and Capgemini join forces to advance security in a quantum future

Capgemini and Instituto de Telecomunicações (IT) announced that they have signed an agreement in Portugal to collaborate on research, development, dissemination, and exploration of projects and services in the field of quantum security.

Our researcher Emmanuel Cruzeiro comments on this year’s Noble Prize in Physics awardees

This year's Nobel Prize in Physics has been awarded to Professors Pierre Agostini, Ferenc Krausz, and Anne L’Huillier in recognition of their groundbreaking contributions to the field of experimental physics.

INBIO Ciência Viva Summer School 2023 ends with a Beat

Between July 10th and 14th multiple high school students visited IT for a learning journey, involving theoretical and practical thematic sessions focused on Biomedical Engineering.

A tour to the admirable world of quantum and biomedical tech

IT participated in Técnico's Open Day with two activities to showcase the best IT does in two different areas: Quantum Technologies and Biomedical Engineering.

Out now IT NEWS nr. 105

The 105th issue of our newsletter is out, bringing you all of IT's March highlights. Click to find out more!

What's next for Quantum Information and Technologies? - By Paulo André

The endeavor for the field of quantum information and technologies is to harness the unique properties of quantum mechanics to create new technology and devices, which can perform tasks that are not possible with classical systems.

IT at the forefront of the development of a new generation of submarine optical fibers

IT, IPMA, and IDL are collaborating on developing of a new generation of submarine optical fibers to detect earthquakes and tsunamis.

Bio

Hello, I’m Emmanuel Zambrini Cruzeiro, a physicist interested in quantum foundations and quantum technologies. I coordinate the Quantum Physics of Information (QPI) group and the Quantum Photonics Laboratory (QuLab), both in Instituto de Telecomunicações.

QPI webpage: https://it.pt/Groups/Index/54

QuLab webpage: https://it.pt/Laboratories/Index/2047

Scientific Achievements

Degrees

PhD, Université de Genève, 05-12-2017

Academic Activities

3Supervision of PhD theses

As Supervisor

Optical quantum memories and applications to quantum communication, PhD Student, José Senart, Expected conclusion 09-2027
Entangling measurements to power quantum communication, PhD Student, Pedro Ricardo Neto Mendes, Expected conclusion 09-2027
High-dimensional quantum states of light for efficient quantum communication, PhD Student, Gonçalo Lobato Baptista Teixeira, Expected conclusion 03-2027

7Supervision of MSc theses

As Supervisor

Quantum and quantum-inspired neural networks for pattern recognition, MSc Student, Dinis Rodrigues Fernandes Alves Felgueiras, Expected conclusion 10-2026
Space-based high-speed quantum communication, MSc Student, Duarte Lourenço Sumares Velosa Barreto, Concluded 10-2025
Generating entangled photon pairs compatible with atomic transitions, MSc Student, Rodrigo Liquito Murta, Concluded 10-2025
Bell correlations and optical quantum memory for nobles-gas nuclear spins, MSc Student, Alexandre Gil Gouveia Maia Barbosa, Concluded 07-2024
NMR Quantum Information Processing on liquid Chloroform and Continuous-Time Quantum Walks on Squares, MSc Student, Hugo Miranda, Concluded 11-2023
Mechanical design for satellite quantum communication, MSc Student, Luis Barbosa, Concluded 10-2023

As Co-supervisor

High-Speed Free-Space Quantum Key Distribution, MSc Student, Ricardo Figueiredo Ferreira, Concluded 12-2023

Publications

15Papers in Journals

Early Access

E. Z. C. Cruzeiro, Terrestrial very-long-baseline atom interferometry: Workshop summary, avs quantum science, Vol. 6, No. 2, pp. 1 - 53, May, 2024 | BibTex
P. Mendes, P.S André, E. Z. C. Cruzeiro, Simple portable quantum key distribution for science outreach, American Journal of Physics, Vol., No., pp. - | BibTex

Published

R. Wagner, F. C. R. Peres, E. Z. C. Cruzeiro, E. F. Galvão, Unitary-invariant method for witnessing nonstabilizerness in quantum processors, Journal of Physics A: Mathematical and Theoretical, Vol. 58, No. 28, pp. 285302 - 285302, July, 2025 | BibTex
E. Z. C. Cruzeiro, Compression of Entanglement Improves Quantum Communication, Laser & Photonics Reviews, Vol., No., pp. -, February, 2025 | BibTex
E. Z. C. Cruzeiro, Equivalence between face nonsignaling correlations, full nonlocality, all-versus-nothing proofs, and pseudotelepathy, Physical Review Research, Vol. 6, No. 4, pp. -, November, 2024 | BibTex
E. Z. C. Cruzeiro, Quantum-inspired classification based on quantum state discrimination, Quantum Machine Intelligence, Vol. 6, No. 2, pp. -, November, 2024 | BibTex
P. Mendes, G. T. Teixeira, D. P. Pinho, R. Rocha, P.S André, M. Niehus, R.F Faleiro, D. Rusca, E. Z. C. Cruzeiro, Optical payload design for downlink quantum key distribution and keyless communication using CubeSats, EPJ Quantum Technology, Vol. 11, No. 1, pp. ? - ?, July, 2024,
| Abstract | BibTex
G. Frazão, M. Pezzutto, Y. Omar, E. Z. C. Cruzeiro, S. G. Gherardini, Coherence-Enhanced Single-Qubit Thermometry out of Equilibrium, Entropy, Vol. 26, No. 7, pp. 568 - 568, June, 2024 | BibTex
J. Jesus, E. Z. C. Cruzeiro, Tight Bell inequalities from polytope slices, Physical Review A, Vol. 108, No. 5, pp. 052220 - 052226, November, 2023 | BibTex
L. Bugalho, E. Z. C. Cruzeiro, K. C. S. Chen, W. D. Dai, D. Englund, Y. Omar, Resource-efficient simulation of noisy quantum circuits and application to network-enabled QRAM optimization, npj quantum information, Vol. 9, No. 1, pp. 105 - 118, October, 2023 | BibTex
M. Silva, R.F Faleiro, P. Mateus, E. Z. C. Cruzeiro, A coherence-witnessing game and applications to semi-device-independent quantum key distribution, Quantum, Vol. 7, No. 1, pp. 1090 - 1106, August, 2023 | BibTex
E. Z. C. Cruzeiro, Propagating quantum microwaves: towards applications in communication and sensing, Quantum Science and Technology, Vol. 8, No. 023001, pp. 1 - 27, March, 2023 | BibTex
E. Z. C. Cruzeiro, Cold atoms in space: community workshop summary and proposed road-map, EPJ Quantum Technology, Vol. 9, No. 1, pp. 1 - 55, November, 2022 | BibTex
L. Buffoni, S. G. Gherardini, E. Z. C. Cruzeiro, Y. Omar, Third law of thermodynamics and the scaling of quantum computers, Physical Review Letters, Vol. 129, No. 15, pp. 1 - 7, October, 2022 | BibTex
J. Pauwels, S. Pironio, E. Z. C. Cruzeiro, A. Tavakoli, Adaptive Advantage in Entanglement-Assisted Communications, Physical Review Letters, Vol. 129, No. 12, pp. 1 - 7, September, 2022 | BibTex

2Papers in Conferences

M. Niehus, D. F. Felgueiras, G. T. Teixeira, E. Z. C. Cruzeiro, P.S André, V. Sá, Study of parameter correlations from submarine DAS data analysis and from optical fiber signal propagation models, IAGA / IASPEI Joint Scientific Meeting, Lisbon, Portugal, September, 2025,
| Abstract | BibTex
P.S André, G. T. Teixeira, P. Mendes, J. Senart, E. Z. C. Cruzeiro, Quantum Technology: An Emerging Technology for Intrinsic Secure Communication, The International Telecommunications Conference - ITC-EGYPT, cairo, Egypt, Vol., pp. -, July, 2024 | Full text (PDF 26 KBs) | BibTex

Projects

Currently running projects5

Acronym	Name	Funding Agency	Start date	Ending date
ComSense	Inovação em Sensores e Comunicações para a Sociedade	Portugal 2030	01-10-2024	01-09-2027
MFBNA	The many face(t)s of Bell nonlocality and their applications	FCT	01-01-2025	31-01-2026
MODAS	Monitorização dos Oceanos com Sensores Acústicos Distribuídos	FCT	01-03-2023	28-02-2026
NeuroQIC	Neuromorphic quantum-inspired computing	Fundação para a Ciência e a Tecnologia	01-10-2025	30-09-2026
QSNP	Quantum Secure Networks Partnership	EU	01-03-2023	31-08-2026

Closed Projects4

Acronym	Name	Funding Agency	Start date	Ending date
PTQCI	Portuguese Quantum Communications Infrastructure - PTQCI	EU	01-01-2023	30-06-2025
QMiCS	QMiCS – Quantum Microwave Communication and Sensing	EU/H2020	01-10-2018	30-09-2021
QuantSat-PT	QuantSat-PT -- Portuguese Quantum Communications Cube-Satellite: Development of the Quantum Payload and Preliminary Design of the Space Segment	FCT	01-12-2020	30-11-2022
QuNetMed	Quantum Algorithms for Network Medicine	FCT	01-01-2023	30-06-2024

Related UN SDG

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

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