736 citations · 1.7k across the 30 of their papers we have counts for
30 papers
Simplified quantum key distribution implementation secure in the presence of state preparation flaws
Ainhoa Agulleiro, Fadri Grünenfelder, Raphaël Houlmann +3
We present an implementation of a three-state BB84 protocol with time-bin encoding, one decoy state and a simplified measurement scheme that uses passive basis choice. Our system s…
Daylight quantum keyless private communication for free-space links
Pedro Neto Mendes, Preeti Yadav, Lourenço Sumares +3
Quantum key distribution (QKD) is the most established approach in quantum communication. However, long-distance free-space implementations, particularly satellite links, remain ch…
Decoy State based Time Synchronization
Lukas Tiefenthaler, Hannah Thiel, Davide Rusca +1
Time synchronization is a crucial requirement in quantum key distribution (QKD)8 protocols, ensuring accurate key generation via the correct assignment of bits of raw key and9 enab…
Quantum correlations in prepare-and-measure scenarios and their semi-device-independent applications
Jonatan Bohr Brask, Nicolas Brunner, Jef Pauwels +2
A key aspect in quantum information is to understand the advantage offered by quantum systems over classical ones in communication tasks. In recent years, a fundamental approach to…
Reference-Beam Attacks against Twin-Field Quantum Key Distribution using Optical Injection Locking
Sergio Juárez, Alessandro Marcomini, Mikhail Petrov +5
Twin-Field Quantum Key Distribution (TF-QKD) has become a leading protocol to bring quantum communications to the national scale. The protocol requires the establishment of a share…
Modulator-free, self-testing quantum random number generator
Ana Blázquez-Coído, Fadri Grünenfelder, Anthony Martin +3
Quantum random number generators (QRNGs) use the inherent unpredictability of quantum mechanics to generate true randomness, as opposed to classical random number generators. Howev…
Modeling and Characterization of Arbitrary Order Pulse Correlations for Quantum Key Distribution
Ainhoa Agulleiro, Fadri Grünenfelder, Margarida Pereira +4
In quantum key distribution (QKD) implementations, memory effects caused by the limited bandwidth of modulators and/or other active devices can leak information about previous sett…
Quantum Keyless Private Communication under intense background noise
Pedro Neto Mendes, Davide Rusca, Hugo Zbinden +1
Quantum key distribution relies on quantum mechanics to securely distribute cryptographic keys, offering security but necessitating complex infrastructure and significant resources…
Evaluation of quantum key distribution systems against injection-locking attacks
Jerome Wiesemann, Fadri Grünenfelder, Ana Blázquez +2
While ideal quantum key distribution (QKD) systems are well-understood, practical implementations face various vulnerabilities, such as side-channel attacks resulting from device i…
Characterising higher-order phase correlations in gain-switched laser sources with application to quantum key distribution
Alessandro Marcomini, Guillermo Currás-Lorenzo, Davide Rusca +3
Multi-photon emissions in laser sources represent a serious threat for the security of quantum key distribution (QKD). While the decoy-state technique allows to solve this problem,…
Quantum Cryptography: an overview of Quantum Key Distribution
Davide Rusca, Nicolas Gisin
This chapter highlights the transformation of secure communications through the incorporation of quantum mechanics. Over the past four decades, this groundbreaking theory has quiet…
A consolidated and accessible security proof for finite-size decoy-state quantum key distribution
Jerome Wiesemann, Jan Krause, Devashish Tupkary +3
In recent years, quantum key distribution (QKD) has evolved from a scientific research field to a commercially available security solution, supported by mathematically formulated s…
Quantum key distribution with unbounded pulse correlations
Margarida Pereira, Guillermo Currás-Lorenzo, Akihiro Mizutani +3
A prevalent issue in practical applications of quantum key distribution (QKD) is the emergence of correlations among the emitted signals. Although recent works have proved the secu…
Optical payload design for downlink quantum key distribution and keyless communication using CubeSats
Pedro Neto Mendes, Gonçalo Lobato Teixeira, David Pinho +6
Quantum key distribution is costly and, at the moment, offers low performance in space applications. Other more recent protocols could offer a potential practical solution to this…
High-speed integrated QKD system
Rebecka Sax, Alberto Boaron, Gianluca Boso +10
Quantum key distribution (QKD) is nowadays a well established method for generating secret keys at a distance in an information-theoretic secure way, as the secrecy of QKD relies o…
Fast Single Photon Detectors and real-time Key Distillation: Enabling High Secret Key Rate QKD Systems
Fadri Grünenfelder, Alberto Boaron, Matthieu Perrenoud +11
Quantum Key Distribution has made continuous progress over the last 20 years and is now commercially available. However, the secret key rates (SKR) are still limited to a few Mbps.…
Receiver-Device-Independent Quantum Key Distribution
Marie Ioannou, Maria Ana Pereira, Davide Rusca +9
We present protocols for quantum key distribution in a prepare-and-measure setup with an asymmetric level of trust. While the device of the sender (Alice) is partially characterize…
A High Speed Integrated Quantum Random Number Generator with on-Chip Real-Time Randomness Extraction
Francesco Regazzoni, Emna Amri, Samuel Burri +3
The security of electronic devices has become a key requisite for the rapidly-expanding pervasive and hyper-connected world. Robust security protocols ensuring secure communication…
Countermeasure against quantum hacking using detection statistics
Gaëtan Gras, Davide Rusca, Hugo Zbinden +1
Detector blinding attacks have been proposed in the last few years, and they could potentially threaten the security of QKD systems. Even though no complete QKD system has been hac…
Performance and security of 5 GHz repetition rate polarization-based Quantum Key Distribution
Fadri Grünenfelder, Alberto Boaron, Davide Rusca +2
We present and characterize a source for a 5 GHz clocked polarization-based simplified BB84 protocol. Secret keys are distributed over 151.5 km of standard telecom fiber at a rate…
Fast self-testing Quantum Random Number Generator based on homodyne detection
Davide Rusca, Hamid Tebyanian, Anthony Martin +1
Self-testing and Semi-Device Independent protocols are becoming the preferred choice for quantum technologies, being able to certify their quantum nature with few assumptions and s…
Efficient time-bin encoding for practical high-dimensional quantum key distribution
I. Vagniluca, B. Da Lio, D. Rusca +6
High-dimensional quantum key distribution (QKD) allows to achieve information-theoretic secure communications, providing high key generation rates which cannot in principle be obta…
Practical self-testing quantum random number generator based on an energy bound
Davide Rusca, Thomas van Himbeeck, Anthony Martin +5
We present a scheme for a self-testing quantum random number generator. Compared to the fully device-independent model, our scheme requires an extra natural assumption, namely that…
Security proof for a simplified BB84-like QKD protocol
Davide Rusca, Alberto Boaron, Marcos Curty +2
The security of quantum key distribution (QKD) has been proven for different protocols, in particular for the BB84 protocol. It has been shown that this scheme is robust against ev…