Quantum Stochastic Communication via High-Dimensional Entanglement
(2025) In Physical Review Letters 135(12). p.120802-120802- Abstract
Entanglement has the ability to enhance the transmission of classical information over a quantum channel. However, fully harvesting this advantage typically requires complex entangling measurements, which are challenging to implement and scale with the system's size. In this Letter, we consider a natural quantum information primitive known as a random access code in which the message to be communicated is selected stochastically. We introduce a protocol that leverages high-dimensional entanglement to perform this task perfectly, without requiring quantum interference between particles at the measurement station. We experimentally demonstrate how this unlocks implementation in the high-dimensional regime through an optical setup using... (More)
Entanglement has the ability to enhance the transmission of classical information over a quantum channel. However, fully harvesting this advantage typically requires complex entangling measurements, which are challenging to implement and scale with the system's size. In this Letter, we consider a natural quantum information primitive known as a random access code in which the message to be communicated is selected stochastically. We introduce a protocol that leverages high-dimensional entanglement to perform this task perfectly, without requiring quantum interference between particles at the measurement station. We experimentally demonstrate how this unlocks implementation in the high-dimensional regime through an optical setup using eight-dimensional entanglement and multioutcome detection, providing a practical solution for stochastic communication and a robust method for certifying the dimensionality of entanglement in communication experiments.
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- author
- Zhang, Chao ; Miao, Jia Le ; Hu, Xiao Min ; Pauwels, Jef ; Guo, Yu ; Li, Chuan Feng ; Guo, Guang Can ; Tavakoli, Armin LU and Liu, Bi Heng
- organization
- publishing date
- 2025-09
- type
- Contribution to journal
- publication status
- published
- subject
- in
- Physical Review Letters
- volume
- 135
- issue
- 12
- pages
- 1 pages
- publisher
- American Physical Society
- external identifiers
-
- scopus:105017833055
- pmid:41046430
- ISSN
- 1079-7114
- DOI
- 10.1103/rq78-1qbh
- language
- English
- LU publication?
- yes
- id
- b5b320bb-76ad-4a92-9eef-ab43fbee0c4c
- date added to LUP
- 2025-11-26 15:32:08
- date last changed
- 2025-12-24 18:37:43
@article{b5b320bb-76ad-4a92-9eef-ab43fbee0c4c,
abstract = {{<p>Entanglement has the ability to enhance the transmission of classical information over a quantum channel. However, fully harvesting this advantage typically requires complex entangling measurements, which are challenging to implement and scale with the system's size. In this Letter, we consider a natural quantum information primitive known as a random access code in which the message to be communicated is selected stochastically. We introduce a protocol that leverages high-dimensional entanglement to perform this task perfectly, without requiring quantum interference between particles at the measurement station. We experimentally demonstrate how this unlocks implementation in the high-dimensional regime through an optical setup using eight-dimensional entanglement and multioutcome detection, providing a practical solution for stochastic communication and a robust method for certifying the dimensionality of entanglement in communication experiments.</p>}},
author = {{Zhang, Chao and Miao, Jia Le and Hu, Xiao Min and Pauwels, Jef and Guo, Yu and Li, Chuan Feng and Guo, Guang Can and Tavakoli, Armin and Liu, Bi Heng}},
issn = {{1079-7114}},
language = {{eng}},
number = {{12}},
pages = {{120802--120802}},
publisher = {{American Physical Society}},
series = {{Physical Review Letters}},
title = {{Quantum Stochastic Communication via High-Dimensional Entanglement}},
url = {{http://dx.doi.org/10.1103/rq78-1qbh}},
doi = {{10.1103/rq78-1qbh}},
volume = {{135}},
year = {{2025}},
}