779 citations · 2.8k across the 77 of their papers we have counts for
13 papers · 2 filters
An unconditional experimental test of Nonclassicality
A. Hameedi, B. Marques, P. Mironowicz +3
We theoretically introduce and experimentally demonstrate the realization of a nonclassicality test that allows for arbitrarily low detection efficiency without invoking any extra…
Increased Certification of Semi-device Independent Random Numbers using Many Inputs and More Postprocessing
Piotr Mironowicz, Armin Tavakoli, Alley Hameedi +3
Quantum communication with systems of dimension larger than two provides advantages in information processing tasks. Examples include higher rates of key distribution and random nu…
Spatial versus Sequential Correlations for Random Access Coding
Armin Tavakoli, Breno Marques, Marcin Pawlowski +1
Random access codes are important for a wide range of applications in quantum information. However, their implementation with quantum theory can be made in two very different ways:…
Reformulating noncontextuality inequalities in an operational approach
Zhen-Peng Xu, Debashis Saha, Hong-Yi Su +2
A new theory-independent noncontextuality inequality is presented [Phys. Rev. Lett. 115, 110403 (2015)] based on Kochen-Specker (KS) set without imposing the assumption of determin…
Quantum-mechanical machinery for rational decision-making in classical guessing game
Jeongho Bang, Junghee Ryu, Marcin Pawłowski +2
In quantum game theory, one of the most intriguing and important questions is, "Is it possible to get quantum advantages without any modification of the classical game?" The answer…
Quantum nonlocality via local contextuality with qubit-qubit entanglement
Debashis Saha, Adán Cabello, Sujit K. Choudhary +1
Quantum nonlocality can be revealed "via local contextuality" in qudit-qudit entangled systems with , that is, through the violation of inequalities containing Alice-Bob cor…
Completely Device Independent Quantum Key Distribution
E. A. Aguilar, R. Ramanathan, J. Kofler +1
Quantum key distribution (QKD) is a provably secure way for two distant parties to establish a common secret key, which then can be used in a classical cryptographic scheme. Using…
Maximal Non-Classicality in Multi-Setting Bell Inequalities
Armin Tavakoli, Stefan Zohren, Marcin Pawlowski
The discrepancy between maximally entangled states and maximally non-classical quantum correlations is well-known but still not well understood. We aim to investigate the relation…
The Magical Number Seven: An Unexpected Dimensional Threshold in Quantum Communication Complexity
Armin Tavakoli, Marcin Pawlowski, Marek Zukowski +1
Entanglement-assisted classical communication and transmission of a quantum system are the two quantum resources for information processing. Many information tasks can be performed…
Testing dimension and non-classicality in communication networks
Joseph Bowles, Nicolas Brunner, Marcin Pawłowski
We consider networks featuring preparation, transformation, and measurement devices, in which devices exchange communication via mediating physical systems. We investigate the prob…
Structure of quantum and broadcasting nonlocal correlations
Debashis Saha, Marcin Pawłowski
The multipartite setting offers much more complexity of nonlocality than the bipartite one. We analyze the structure of tripartite nonlocal correlations by proposing inequalities s…
On the Security of Semi Device Independent QKD protocols
Anubhav Chaturvedi, Maharshi Ray, Ryszard Veynar +1
While fully device-independent security in (BB84-like) prepare and measure Quantum Key Distribution (QKD) is impossible, it can be guaranteed against individual attacks in a semi d…
Detection efficiency and noise in semi-device independent randomness extraction protocol
Hong-Wei Li, Zhen-Qiang Yin, Marcin Pawlowski +2
In this paper, we analyze several critical issues in semi-device independent quantum information processing protocol. In practical experimental realization randomness generation in…