225 citations · 951 across the 34 of their papers we have counts for
34 papers
Deployment of Entanglement-Based QKD in Financial Infrastructure
Mirela Selimović, Roman Solar, Jonathan Gruner +6
We demonstrate the feasibility of entanglement-based quantum key distribution (eQKD) in high-security financial infrastructure over a 22 km fiber link with 8 dB loss between two da…
Quantum Key Distribution with Imperfections: Recent Advances in Security Proofs
Patrick Andriolo, Esteban Vasquez, Elizabeth Agudelo +3
In contrast to classical public-key cryptosystems, where the security of encoded messages relies on on computational assumptions, Quantum Key Distribution (QKD) enables two distant…
Tighter Asymptotic Key Rates for Intensity-Correlated Decoy-State QKD via Nonlinear Programming
Matej Pivoluska, Mateus Araújo
Decoy-state QKD with phase-randomized weak coherent pulses is typically analyzed assuming independent, precisely prepared intensities. Real sources, however, can exhibit correlated…
Harmonic Oscillator based Particle Swarm Optimization
Yury Chernyak, Ijaz Ahamed Mohammad, Nikolas Masnicak +2
Numerical optimization techniques are widely used in a broad area of science and technology, from finding the minimal energy of systems in Physics or Chemistry to finding optimal r…
Harnessing high-dimensional temporal entanglement using limited interferometric setups
Alexandra Bergmayr, Florian Kanitschar, Matej Pivoluska +1
High-dimensional entanglement has shown to have significant advantages in quantum communication. It is available in many degrees of freedom and in particular in the time-domain rou…
Resource-efficient utilization of quantum computers
Ijaz Ahamed Mohammad, Matej Pivoluska, Martin Plesch
The current state of quantum computing is commonly described as the Noisy Intermediate-Scale Quantum era. Available computers contain a few dozens of qubits and can perform a few d…
Distribution of genuine high-dimensional entanglement over 10.2 km of noisy metropolitan atmosphere
Lukas Bulla, Kristian Hjorth, Oskar Kohout +9
In a recent quantum key distribution experiment, high-dimensional protocols were used to show an improved noise resistance over a 10.2 km free-space channel. One of the unresolved…
Quantum key distribution rates from semidefinite programming
Mateus Araújo, Marcus Huber, Miguel Navascués +2
Computing the key rate in quantum key distribution (QKD) protocols is a long standing challenge. Analytical methods are limited to a handful of protocols with highly symmetric meas…
Improved noise resistance analysis for path-entangled subspace quantum key distribution
Oskár Adam Válent, Matej Pivoluska
We revisit the practical implementation of high-dimensional quantum key distribution protocol using path entanglement reported in [Phys.Rev.Lett.~127,~110505,~2021]. Here we refine…
Non-local temporal interferometry for highly resilient free-space quantum communication
Lukas Bulla, Matej Pivoluska, Kristian Hjorth +9
Entanglement distribution via photons over long distances enables many applications, including quantum key distribution (QKD), which provides unprecedented privacy. The inevitable…
Implementation of quantum compression on IBM quantum computers
Matej Pivoluska, Martin Plesch
Advances in development of quantum computing processors brought ample opportunities to test the performance of various quantum algorithms with practical implementations. In this pa…
Best-practice aspects of quantum-computer calculations: A case study of hydrogen molecule
Ivana Miháliková, Martin Friák, Matej Pivoluska +3
Quantum computers are reaching one crucial milestone after another. Motivated by their progress in quantum chemistry, we have performed an extensive series of simulations of quantu…
Self-testing quantum states via nonmaximal violation in Hardy's test of nonlocality
Ashutosh Rai, Matej Pivoluska, Souradeep Sasmal +3
Self-testing protocols enable certification of quantum devices without demanding full knowledge about their inner workings. A typical approach in designing such protocols is based…
The Cost of Improving the Precision of the Variational Quantum Eigensolver for Quantum Chemistry
Ivana Miháliková, Matej Pivoluska, Martin Plesch +3
Quantum computing brings a promise of new approaches into computational quantum chemistry. While universal, fault-tolerant quantum computers are still not available, we want to uti…
Fully passive entanglement based quantum key distribution scheme
Bo Liu, Matej Pivoluska, Johannes Handsteiner +5
In general, generation of entangled photon pairs and also the random choice of measurement basis can be implemented with passive optical devices in entanglement based quantum key d…
A model for optimizing quantum key distribution with continuous-wave pumped entangled-photon sources
Sebastian Philipp Neumann, Thomas Scheidl, Mirela Selimovic +4
Quantum Key Distribution (QKD) allows unconditionally secure communication based on the laws of quantum mechanics rather then assumptions about computational hardness. Optimizing t…
Device-independent bounds from Cabello's nonlocality argument
Ashutosh Rai, Matej Pivoluska, Martin Plesch +3
Hardy-type arguments manifest Bell nonlocality in one of the simplest possible ways. Except for demonstrating nonclassical signature of entangled states in question, they can also…
Finite-Function-Encoding Quantum States
Paul Appel, Alexander J. Heilman, Ezekiel W. Wertz +4
We introduce finite-function-encoding (FFE) states which encode arbitrary -valued logic functions, i.e., multivariate functions over the ring of integers modulo , and investi…
Pathways for entanglement based quantum communication in the face of high noise
Xiao-Min Hu, Chao Zhang, Yu Guo +10
Entanglement based quantum communication offers an increased level of security in practical secret shared key distribution. One of the fundamental principles enabling this security…
Choice of mutually unbiased bases and outcome labelling affects measurement outcome secrecy
Mirdit Doda, Matej Pivoluska, Martin Plesch
Mutually unbiased bases (MUBs) are a crucial ingredient for many protocols in quantum information processing. Measurements performed in these bases are unbiased to the maximally po…
Quantum key distribution overcoming extreme noise: simultaneous subspace coding using high-dimensional entanglement
Mirdit Doda, Marcus Huber, Gláucia Murta +3
High-dimensional entanglement promises to increase the information capacity of photons and is now routinely generated exploiting spatio-temporal degrees of freedom of single photon…
High-Dimensional Pixel Entanglement: Efficient Generation and Certification
Natalia Herrera Valencia, Vatshal Srivastav, Matej Pivoluska +4
Photons offer the potential to carry large amounts of information in their spectral, spatial, and polarisation degrees of freedom. While state-of-the-art classical communication sy…
Semi-Device-Independent Random Number Generation with Flexible Assumptions
Matej Pivoluska, Martin Plesch, Máté Farkas +6
Our ability to trust that a random number is truly random is essential for fields as diverse as cryptography and fundamental tests of quantum mechanics. Existing solutions both com…
Experimental creation of Multi-Photon High-Dimensional Layered Quantum States
Xiao-Min Hu, Wen-Bo Xing, Chao Zhang +6
Quantum entanglement is one of the most important resources in quantum information. In recent years, the research of quantum entanglement mainly focused on the increase in the numb…