High-Dimensional Pixel Entanglement: Efficient Generation and
Certification

J 2020

High-Dimensional Pixel Entanglement: Efficient Generation and Certification

VALENCIA, N.H., V. SRIVASTAV, Matej PIVOLUSKA, M. HUBER, N. FRIIS et. al.

Basic information

Original name

High-Dimensional Pixel Entanglement: Efficient Generation and Certification

Authors

VALENCIA, N.H., V. SRIVASTAV, Matej PIVOLUSKA (703 Slovakia, belonging to the institution), M. HUBER, N. FRIIS, W. MCCUTCHEON and M. MALIK

Edition

QUANTUM, WIEN, VEREIN FORDERUNG OPEN ACCESS PUBLIZIERENS QUANTENWISSENSCHAF, 2020, 2521-327X

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

10306 Optics

Country of publisher

Austria

Confidentiality degree

není předmětem státního či obchodního tajemství

References:

URL

Impact factor

Impact factor: 6.777

RIV identification code

RIV/00216224:14610/20:00118176

Organization unit

Institute of Computer Science

DOI

http://dx.doi.org/10.22331/q-2020-12-24-376

UT WoS

000606340200001

Keywords in English

entanglement; qudits

Abstract

V originále

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 systems routinely aim to maximize this information-carrying capacity via wavelength and spatial-mode division multiplexing, quantum systems based on multi-mode entanglement usually suffer from low state quality, long measurement times, and limited encoding capacity. At the same time, entanglement certification methods often rely on assumptions that compromise security. Here we show the certification of photonic high-dimensional entanglement in the transverse position-momentum degree-of-freedom with a record quality, measurement speed, and entanglement dimensionality, without making any assumptions abolit the state or channels. Using a tailored macro-pixel basis, precise spatial-mode measurements, and a modified entanglement witness, we demonstrate state fidelities of up to 94.4% in a 19-dimensional state-space, entanglement in up to 55 local dimensions, and an entanglement-of-formation of up to 4 obits. Furthermore, our measurement times show an improvement of more than two orders of magnitude over previous state-of-the-art demonstrations. Our results pave the way for noise-robust quantum networks that saturate the information-carrying capacity of single photons.

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

Citovat

VALENCIA, N.H., V. SRIVASTAV, Matej PIVOLUSKA, M. HUBER, N. FRIIS, W. MCCUTCHEON and M. MALIK. High-Dimensional Pixel Entanglement: Efficient Generation and Certification. QUANTUM. WIEN: VEREIN FORDERUNG OPEN ACCESS PUBLIZIERENS QUANTENWISSENSCHAF, 2020, vol. 4, December, p. 376-394. ISSN 2521-327X. Available from: https://dx.doi.org/10.22331/q-2020-12-24-376.

@article{1742521,
   author = {Valencia, N.H. and Srivastav, V. and Pivoluska, Matej and Huber, M. and Friis, N. and McCutcheon, W. and Malik, M.},
   article_location = {WIEN},
   article_number = {December},
   doi = {http://dx.doi.org/10.22331/q-2020-12-24-376},
   keywords = {entanglement; qudits},
   language = {eng},
   issn = {2521-327X},
   journal = {QUANTUM},
   title = {High-Dimensional Pixel Entanglement: Efficient Generation and Certification},
   url = {https://doi.org/10.22331/q-2020-12-24-376},
   volume = {4},
   year = {2020}
}

TY  - JOUR
ID  - 1742521
AU  - Valencia, N.H. - Srivastav, V. - Pivoluska, Matej - Huber, M. - Friis, N. - McCutcheon, W. - Malik, M.
PY  - 2020
TI  - High-Dimensional Pixel Entanglement: Efficient Generation and Certification
JF  - QUANTUM
VL  - 4
IS  - December
SP  - 376
EP  - 376
PB  - VEREIN FORDERUNG OPEN ACCESS PUBLIZIERENS QUANTENWISSENSCHAF
SN  - 2521327X
KW  - entanglement
KW  - qudits
UR  - https://doi.org/10.22331/q-2020-12-24-376
L2  - https://doi.org/10.22331/q-2020-12-24-376
N2  - 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 systems routinely aim to maximize this information-carrying capacity via wavelength and spatial-mode division multiplexing, quantum systems based on multi-mode entanglement usually suffer from low state quality, long measurement times, and limited encoding capacity. At the same time, entanglement certification methods often rely on assumptions that compromise security. Here we show the certification of photonic high-dimensional entanglement in the transverse position-momentum degree-of-freedom with a record quality, measurement speed, and entanglement dimensionality, without making any assumptions abolit the state or channels. Using a tailored macro-pixel basis, precise spatial-mode measurements, and a modified entanglement witness, we demonstrate state fidelities of up to 94.4% in a 19-dimensional state-space, entanglement in up to 55 local dimensions, and an entanglement-of-formation of up to 4 obits. Furthermore, our measurement times show an improvement of more than two orders of magnitude over previous state-of-the-art demonstrations. Our results pave the way for noise-robust quantum networks that saturate the information-carrying capacity of single photons.
ER  -

VALENCIA, N.H., V. SRIVASTAV, Matej PIVOLUSKA, M. HUBER, N. FRIIS, W. MCCUTCHEON and M. MALIK. High-Dimensional Pixel Entanglement: Efficient Generation and Certification. \textit{QUANTUM}. WIEN: VEREIN FORDERUNG OPEN ACCESS PUBLIZIERENS QUANTENWISSENSCHAF, 2020, vol.~4, December, p.~376-394. ISSN~2521-327X. Available from: https://dx.doi.org/10.22331/q-2020-12-24-376.

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