J 2023

Distribution of genuine high-dimensional entanglement over 10.2 km of noisy metropolitan atmosphere

BULLA, Lukas, Kristian HJORTH, Oskar KOHOUT, Jan LANG, Sebastian ECKER et. al.

Basic information

Original name

Distribution of genuine high-dimensional entanglement over 10.2 km of noisy metropolitan atmosphere

Authors

BULLA, Lukas, Kristian HJORTH, Oskar KOHOUT, Jan LANG, Sebastian ECKER, Sebastian NEUMANN, Julius BITTERMANN, Robert KINDLER, Marcus HUBER, Martin BOHMANN, Rupert URSIN and Matej PIVOLUSKA

Edition

PHYSICAL REVIEW A, UNITED STATES, AMER PHYSICAL SOC, 2023, 2469-9926

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

10306 Optics

Country of publisher

United States of America

Confidentiality degree

není předmětem státního či obchodního tajemství

References:

Impact factor

Impact factor: 2.900 in 2022

Organization unit

Institute of Computer Science

Keywords in English

non-locality; entanglement; high-dimensional quantum states

Tags

Tags

International impact, Reviewed
Změněno: 21/6/2023 14:03, RNDr. Matej Pivoluska, Ph.D.

Abstract

V originále

Our study investigates the presence of high-dimensional entanglement in a recent demonstration of a noise-resistant quantum key distribution (QKD) protocol presented in [Phys. Rev. X 13, 021001 (2023)]. We determined that it is possible to certify the dimensionality of the distributed entangled states to be at least three. To demonstrate this, we developed an energy-time entanglement discretization technique, as well as an improved witness for entanglement dimensionality. Our results provide insight into the complex relationship between high-dimensional entanglement and the noise resistance of QKD protocols operating in high dimensions.

Links

MUNI/G/1596/2019, interní kód MU
Name: Development of algorithms for application of quantum computers in electronic-structure calculations in solid-state physics and chemistry (Acronym: Qubits4PhysChem)
Investor: Masaryk University, INTERDISCIPLINARY - Interdisciplinary research projects