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| Indexado |
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| DOI | 10.1103/PHYSREVA.111.032613 | ||||
| Año | 2025 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
A nd - -> p1 quantum random access code (QRAC) is a communication task where Alice encodes n classical bits into quantum states of dimension d and transmits them to Bob, who performs appropriate measurements to recover the required bit with probability p. In the presence of a noisy environment, the performance of a QRAC is degraded, losing the advantage over classical strategies. We propose a practical technique that enables noise tolerance in such scenarios, recovering the quantum advantage in retrieving the required bit. We perform a photonic implementation of a 22 -p -> 1 QRAC using polarization-encoded qubits under an amplitude-damping channel, where simple operations allow for noise robustness showing the revival of the quantum advantage when the noisy channel degrades the performance of the QRAC. This revival can be observed by violating a suitable dimension witness, which is closely related to the average success probability of the QRAC. This technique can be extended to other applications in the so-called prepare-and-measure scenario, enhancing the semi-device-independent protocol implementations.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Karthik, H. S. | - |
Univ Gdansk - Polonia
Uniwersytet Gdanski - Polonia |
| 2 | Gomez, S. | - |
Universidad de Concepción - Chile
Sapienza Univ Roma - Italia Sapienza Università di Roma - Italia |
| 3 | Quinteros, F. M. | - |
Universidad de Concepción - Chile
|
| 4 | Shenoy, H. Akshata | - |
Uniwersytet Gdanski - Polonia
|
| 5 | Pawlowski, M. | - |
Univ Gdansk - Polonia
Uniwersytet Gdanski - Polonia |
| 6 | Walborn, S. P. | - |
Universidad de Concepción - Chile
|
| 7 | LIMA-MOREIRA, GUSTAVO | Hombre |
Universidad de Concepción - Chile
|
| 8 | Gomez, E. S. | Hombre |
Universidad de Concepción - Chile
|
| Fuente |
|---|
| Fondo Nacional de Desarrollo Científico y Tecnológico (FONDECYT) |
| Fondo Nacional de Desarrollo Científico y Tecnológico |
| European Commission |
| NCN |
| Narodowe Centrum Nauki |
| Fundacja na rzecz Nauki Polskiej |
| NCN Poland |
| Agencia Nacional de Investigación y Desarrollo |
| ANID PFCHA/Magister Nacional |
| EU within Smart Growth Operational Programme |
| ICTQT |
| Agenția Națională pentru Cercetare și Dezvoltare |
| National Agency for Research and Development (ANID) Millennium Science Initiative Program |
| NCN Poland, ChistEra under the project Modern Device Independent Cryptography(MoDIC) |
| Foundation for Polish Science, IRAP project, IC-TQT |
| Agradecimiento |
|---|
| H.S.K. and A.S.H. thank A. R. Usha Devi, R. Srikanth, and M. Zukowski for discussions. H.S.K. and M.P. thank NCN Poland, ChistEra-2023/05/Y/ST2/00005 under the project Modern Device Independent Cryptography(MoDIC) . This work was initiated when A.S.H. and M.P. were supported by the Foundation for Polish Science, IRAP project, IC-TQT, Contract No. 2018/MAB/5, co-financed by EU within Smart Growth Operational Programme, and H.S.K. and M.P. were supported by the NCN through Grant No. SHENG (2018/30/Q/ST2/00625) . F.M.Q. acknowledges financial support from ANID PFCHA/MAGISTER NACIONAL. S.G., S.P.W., G.L., and E.S.G. acknowledge support from the Fondo Nacional de Desarrollo Cientifico y Tecnologico (FONDECYT) (Grants No. 3210359, No. 1240746, No. 1200859, and No. 1231940) , and the National Agency for Research and Development (ANID) Millennium Science Initiative Program No. ICN17_012. |
| H.S.K. and A.S.H. thank A. R. Usha Devi, R. Srikanth, and M. Zukowski for discussions. H.S.K. and M.P. thank NCN Poland, ChistEra-2023/05/Y/ST2/00005 under the project Modern Device Independent Cryptography (MoDIC). This work was initiated when A.S.H. and M.P. were supported by the Foundation for Polish Science, IRAP project, ICTQT, Contract No. 2018/MAB/5, co-financed by EU within Smart Growth Operational Programme, and H.S.K. and M.P. were supported by the NCN through Grant No. SHENG (2018/30/Q/ST2/00625). F.M.Q. acknowledges financial support from ANID PFCHA/MAGISTER NACIONAL. S.G., S.P.W., G.L., and E.S.G. acknowledge support from the Fondo Nacional de Desarrollo Cient\u00EDfico y Tecnol\u00F3gico (FONDECYT) (Grants No. 3210359, No. 1240746, No. 1200859, and No. 1231940), and the National Agency for Research and Development (ANID) Millennium Science Initiative Program No. ICN17_012. |