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Continuous Variable Quantum Communications

Deliverables

Report on Standardization, Dissemination, and Exploitation Activities I

Reports on Standardization, Dissemination, and Exploitation Activities

Report on identification and advancement of current security proofs and respective methods, applicable to CV-QKD, unification of security assumption

Report on identification and advancement of current security proofs and respective methods, applicable to CV-QKD, unification of security assumptions.

Definition of Adoption strategies roadmap, Integration Requirements and Interfaces to be used for the validation of the Objectives II

Definition of Adoption strategies roadmap, Integration Requirements and Interfaces to be used for the validation of the Objectives

Software Defined QKD Network design

Software Defined QKD Network design

Detailed CiViQ Technical Work plan – initial version

CiViQ Technical Work plan and updates

Definition of Adoption strategies roadmap, Integration Requirements and Interfaces to be used for the validation of the Objectives

Definition of Adoption strategies roadmap, Integration Requirements and Interfaces to be used for the validation of the Objectives

Update CiViQ Technical work plan and updates

CiViQ Technical Work plan and updates

Initial specifications of CV-QKD Systems and Networks and initial project Work Plan

Initial specifications of CV-QKD Systems and Networks and initial project Work Plan

Report on identification and compensation of side channels in practical CV-QKD system realized within the project

Report on identification and compensation of side channels in practical CV-QKD system realized within the project.

Definition of reference points between QKD devices and control/management plane systems

Definition of reference points between QKD devices and control/management plane systems

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Publications

Conditional channel simulation

Author(s): Stefano Pirandola, Riccardo Laurenza, Leonardo Banchi
Published in: Annals of Physics, Issue 400, 2019, Page(s) 289-302, ISSN 0003-4916
DOI: 10.1016/j.aop.2018.11.014

Tight bounds for private communication over bosonic Gaussian channels based on teleportation simulation with optimal finite resources

Author(s): Riccardo Laurenza, Spyros Tserkis, Leonardo Banchi, Samuel L. Braunstein, Timothy C. Ralph, Stefano Pirandola
Published in: Physical Review A, Issue 100/4, 2019, ISSN 2469-9926
DOI: 10.1103/physreva.100.042301

Fundamental limits to quantum channel discrimination

Author(s): Stefano Pirandola, Riccardo Laurenza, Cosmo Lupo, Jason L. Pereira
Published in: npj Quantum Information, Issue 5/1, 2019, ISSN 2056-6387
DOI: 10.1038/s41534-019-0162-y

Analysis of the Trusted‐Device Scenario in Continuous‐Variable Quantum Key Distribution

Author(s): Fabian Laudenbach, Christoph Pacher
Published in: Advanced Quantum Technologies, Issue 2/11, 2019, Page(s) 1900055, ISSN 2511-9044
DOI: 10.1002/qute.201900055

Squeezed vacuum states from a whispering gallery mode resonator

Author(s): Alexander Otterpohl, Florian Sedlmeir, Ulrich Vogl, Thomas Dirmeier, Golnoush Shafiee, Gerhard Schunk, Dmitry V. Strekalov, Harald G. L. Schwefel, Tobias Gehring, Ulrik L. Andersen, Gerd Leuchs, Christoph Marquardt
Published in: Optica, Issue 6/11, 2019, Page(s) 1375, ISSN 2334-2536
DOI: 10.1364/OPTICA.6.001375

Bounds for multi-end communication over quantum networks

Author(s): Stefano Pirandola
Published in: Quantum Science and Technology, Issue 4/4, 2019, Page(s) 045006, ISSN 2058-9565
DOI: 10.1088/2058-9565/ab3f66

End-to-end capacities of a quantum communication network

Author(s): Stefano Pirandola
Published in: Communications Physics, Issue 2/1, 2019, ISSN 2399-3650
DOI: 10.1038/s42005-019-0147-3

Improving the lower bound to the secret-key capacity of the thermal amplifier channel

Author(s): Gan Wang, Carlo Ottaviani, Hong Guo, Stefano Pirandola
Published in: The European Physical Journal D, Issue 73/1, 2019, ISSN 1434-6060
DOI: 10.1140/epjd/e2018-90351-0

Modular network for high-rate quantum conferencing

Author(s): Carlo Ottaviani, Cosmo Lupo, Riccardo Laurenza, Stefano Pirandola
Published in: Communications Physics, Issue 2/1, 2019, ISSN 2399-3650
DOI: 10.1038/s42005-019-0209-6

Asymptotic Security of Continuous-Variable Quantum Key Distribution with a Discrete Modulation

Author(s): Shouvik Ghorai, Philippe Grangier, Eleni Diamanti, Anthony Leverrier
Published in: Physical Review X, Issue 9/2, 2019, ISSN 2160-3308
DOI: 10.1103/PhysRevX.9.021059

The Engineering of Software-Defined Quantum Key Distribution Networks

Author(s): Alejandro Aguado, Victor Lopez, Diego Lopez, Momtchil Peev, Andreas Poppe, Antonio Pastor, Jesus Folgueira, Vicente Martin
Published in: IEEE Communications Magazine, Issue 57/7, 2019, Page(s) 20-26, ISSN 0163-6804
DOI: 10.1109/mcom.2019.1800763

Pilot-assisted intradyne reception for high-speed continuous-variable quantum key distribution with true local oscillator

Author(s): Fabian Laudenbach, Bernhard Schrenk, Christoph Pacher, Michael Hentschel, Chi-Hang Fred Fung, Fotini Karinou, Andreas Poppe, Momtchil Peev, Hannes Hübel
Published in: Quantum, Issue 3, 2019, Page(s) 193, ISSN 2521-327X
DOI: 10.22331/q-2019-10-07-193

Feasibility of quantum key distribution with macroscopically bright coherent light

Author(s): Olena Kovalenko, Kirill Yu. Spasibko, Maria V. Chekhova, Vladyslav C. Usenko, Radim Filip
Published in: Optics Express, Issue 27/25, 2019, Page(s) 36154, ISSN 1094-4087
DOI: 10.1364/oe.27.036154

Fading channel estimation for free-space continuous-variable secure quantum communication

Author(s): László Ruppert, Christian Peuntinger, Bettina Heim, Kevin Günthner, Vladyslav C Usenko, Dominique Elser, Gerd Leuchs, Radim Filip, Christoph Marquardt
Published in: New Journal of Physics, Issue 21/12, 2019, Page(s) 123036, ISSN 1367-2630
DOI: 10.1088/1367-2630/ab5dd3

Long-Distance Continuous-Variable Quantum Key Distribution With Quantum Scissors

Author(s): Masoud Ghalaii, Carlo Ottaviani, Rupesh Kumar, Stefano Pirandola, Mohsen Razavi
Published in: IEEE Journal of Selected Topics in Quantum Electronics, Issue 26/3, 2020, Page(s) 1-12, ISSN 1077-260X
DOI: 10.1109/jstqe.2020.2964395

Discrete-Modulation Continuous-Variable Quantum Key Distribution Enhanced by Quantum Scissors

Author(s): Masoud Ghalaii, Carlo Ottaviani, Rupesh Kumar, Stefano Pirandola, Mohsen Razavi
Published in: IEEE Journal on Selected Areas in Communications, Issue 38/3, 2020, Page(s) 506-516, ISSN 0733-8716
DOI: 10.1109/jsac.2020.2969058

Linear programs for entanglement and key distribution in the quantum internet

Author(s): Stefan Bäuml, Koji Azuma, Go Kato, David Elkouss
Published in: Communications Physics, Issue 3/1, 2020, ISSN 2399-3650
DOI: 10.1038/s42005-020-0318-2

Terahertz Quantum Cryptography

Author(s): Carlo Ottaviani, Matthew J. Woolley, Misha Erementchouk, John F. Federici, Pinaki Mazumder, Stefano Pirandola, Christian Weedbrook
Published in: IEEE Journal on Selected Areas in Communications, Issue 38/3, 2020, Page(s) 483-495, ISSN 0733-8716
DOI: 10.1109/jsac.2020.2968973

Enhanced energy-constrained quantum communication over bosonic Gaussian channels

Author(s): Kyungjoo Noh, Stefano Pirandola, Liang Jiang
Published in: Nature Communications, Issue 11/1, 2020, ISSN 2041-1723
DOI: 10.1038/s41467-020-14329-6

Compact, low-threshold squeezed light source

Author(s): J. Arnbak, C. S. Jacobsen, R. B. Andrade, X. Guo, J. S. Neergaard-Nielsen, U. L. Andersen, T. Gehring
Published in: Optics Express, Issue 27/26, 2019, Page(s) 37877, ISSN 1094-4087
DOI: 10.1364/oe.27.037877

Exploring the Limitations of Quantum Networking through Butterfly‐Based Networks

Author(s): Kieran N. Wilkinson, Thomas P. W. Cope, Stefano Pirandola
Published in: Advanced Quantum Technologies, Issue 3/3, 2019, Page(s) 1900103, ISSN 2511-9044
DOI: 10.1002/qute.201900103

Composable security of two-way continuous-variable quantum key distribution without active symmetrization

Author(s): Shouvik Ghorai, Eleni Diamanti, Anthony Leverrier
Published in: Physical Review A, Issue 99/1, 2019, ISSN 2469-9926
DOI: 10.1103/physreva.99.012311

Highly-Sensitive Phase and Frequency Noise Measurement Technique Using Bayesian Filtering

Author(s): Darko Zibar, Hou-Man Chin, Yeyu Tong, Nitin Jain, Joel Guo, Lin Chang, Tobias Gehring, John E. Bowers, Ulrik L. Andersen
Published in: IEEE Photonics Technology Letters, Issue 31/23, 2019, Page(s) 1866-1869, ISSN 1041-1135
DOI: 10.1109/lpt.2019.2945051

Quantum cryptography networks in support of path verification in service function chains

Author(s): A. Aguado, D. R. López, A. Pastor, V. López, J. P. Brito, M. Peev, A. Poppe, V. Martín
Published in: Journal of Optical Communications and Networking, Issue 12/4, 2020, Page(s) B9, ISSN 1943-0620
DOI: 10.1364/jocn.379799

Quantum Aware SDN Nodes in the Madrid Quantum Network

Author(s): V. Martin, A. Aguado, J. P. Brito, A. L. Sanz, P. Salas, D. R. Lopez, V. Lopez, A. Pastor-Perales, A. Poppe, M. Peev
Published in: 2019 21st International Conference on Transparent Optical Networks (ICTON), 2019, Page(s) 1-4
DOI: 10.1109/icton.2019.8840338

Technology Trends for Mixed QKD/WDM Transmission up to 80 km

Author(s): Romain Alléaume, Raphaël Aymeric, Cédric Ware, Yves Jaouën
Published in: Optical Fiber Communication Conference (OFC) 2020, 2020, Page(s) M4A.1
DOI: 10.1364/ofc.2020.m4a.1

Phase Compensation for Continuous Variable Quantum Key Distribution

Author(s): Hou-Man Chin, Darko Zibar, Nitin Jain, Tobias Gehring, Ulrik L. Andersen
Published in: Conference on Lasers and Electro-Optics, 2019, Page(s) JF2F.1
DOI: 10.1364/cleo_at.2019.jf2f.1

The Madrid Quantum Network: A Quantum-Classical Integrated Infrastructure

Author(s): V. Martin, A. Aguado, P. Salas, A.L. Sanz, J.P. Brito, D. R. Lopez, V. Lopez, A. Pastor, J. Folgueira, H. H. Brunner, S. Bettelli, F. Fung, L. C. Comandar, D. Wang, A. Poppe, M. Peev
Published in: OSA Advanced Photonics Congress (AP) 2019 (IPR, Networks, NOMA, SPPCom, PVLED), 2019, Page(s) QtW3E.5
DOI: 10.1364/networks.2019.qtw3e.5

Quantum Services Architecture in Softwarized Infrastructures

Author(s): J. P. Brito, D. R. Lopez, A. Aguado, C. Abellan, V. Lopez, A. Pastor-Perales, F. de la Iglesia, V. Martin
Published in: 2019 21st International Conference on Transparent Optical Networks (ICTON), 2019, Page(s) 1-4
DOI: 10.1109/icton.2019.8840400

Applying QKD to improve next-generation network infrastructures

Author(s): Victor Lopez, Antonio Pastor, Diego Lopez, Alejandro Aguado, Vicente Martin
Published in: 2019 European Conference on Networks and Communications (EuCNC), 2019, Page(s) 283-288
DOI: 10.1109/eucnc.2019.8802060

Spectrally-Shaped Continuous-Variable QKD Operating at 500 MHz Over an Optical Pipe Lit by 11 DWDM Channels

Author(s): Dinka Milovančev, Nemanja Vokić, Fabian Laudenbach, Christoph Pacher, Hannes Hübel, Bernhard Schrenk
Published in: Optical Fiber Communication Conference (OFC) 2020, 2020, Page(s) T3D.4
DOI: 10.1364/ofc.2020.t3d.4

Designing a Quantum Key Distribution Network - Methodology and Challenges

Author(s): Gunkel, Matthias; Wissel, Felix Poppe, Andreas
Published in: Konferenz: Photonische Netze - 20. ITG-Fachtagung, 2019

Quantum Random Number Generation - Theory and Practice

Author(s): Christian KollmitzerStefan SchauerStefan RassBenjamin Rainer
Published in: 2020
DOI: 10.1007/978-3-319-72596-3