Cargando…

Surpassing the classical limit in magic square game with distant quantum dots coupled to optical cavities

The emergence of quantum technologies is heating up the debate on quantum supremacy, usually focusing on the feasibility of looking good on paper algorithms in realistic settings, due to the vulnerability of quantum systems to myriad sources of noise. In this vein, an interesting example of quantum...

Descripción completa

Detalles Bibliográficos
Autores principales: Bugu, Sinan, Ozaydin, Fatih, Kodera, Tetsuo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7747631/
https://www.ncbi.nlm.nih.gov/pubmed/33335261
http://dx.doi.org/10.1038/s41598-020-79295-x
_version_ 1783624974979825664
author Bugu, Sinan
Ozaydin, Fatih
Kodera, Tetsuo
author_facet Bugu, Sinan
Ozaydin, Fatih
Kodera, Tetsuo
author_sort Bugu, Sinan
collection PubMed
description The emergence of quantum technologies is heating up the debate on quantum supremacy, usually focusing on the feasibility of looking good on paper algorithms in realistic settings, due to the vulnerability of quantum systems to myriad sources of noise. In this vein, an interesting example of quantum pseudo-telepathy games that quantum mechanical resources can theoretically outperform classical resources is the Magic Square game (MSG), in which two players play against a referee. Due to noise, however, the unit winning probability of the players can drop well below the classical limit. Here, we propose a timely and unprecedented experimental setup for quantum computation with quantum dots inside optical cavities, along with ancillary photons for realizing interactions between distant dots to implement the MSG. Considering various physical imperfections of our setup, we first show that the MSG can be implemented with the current technology, outperforming the classical resources under realistic conditions. Next, we show that our work gives rise to a new version of the game. That is, if the referee has information on the physical realization and strategy of the players, he can bias the game through filtered randomness, and increase his winning probability. We believe our work contributes to not only quantum game theory, but also quantum computing with quantum dots.
format Online
Article
Text
id pubmed-7747631
institution National Center for Biotechnology Information
language English
publishDate 2020
publisher Nature Publishing Group UK
record_format MEDLINE/PubMed
spelling pubmed-77476312020-12-18 Surpassing the classical limit in magic square game with distant quantum dots coupled to optical cavities Bugu, Sinan Ozaydin, Fatih Kodera, Tetsuo Sci Rep Article The emergence of quantum technologies is heating up the debate on quantum supremacy, usually focusing on the feasibility of looking good on paper algorithms in realistic settings, due to the vulnerability of quantum systems to myriad sources of noise. In this vein, an interesting example of quantum pseudo-telepathy games that quantum mechanical resources can theoretically outperform classical resources is the Magic Square game (MSG), in which two players play against a referee. Due to noise, however, the unit winning probability of the players can drop well below the classical limit. Here, we propose a timely and unprecedented experimental setup for quantum computation with quantum dots inside optical cavities, along with ancillary photons for realizing interactions between distant dots to implement the MSG. Considering various physical imperfections of our setup, we first show that the MSG can be implemented with the current technology, outperforming the classical resources under realistic conditions. Next, we show that our work gives rise to a new version of the game. That is, if the referee has information on the physical realization and strategy of the players, he can bias the game through filtered randomness, and increase his winning probability. We believe our work contributes to not only quantum game theory, but also quantum computing with quantum dots. Nature Publishing Group UK 2020-12-17 /pmc/articles/PMC7747631/ /pubmed/33335261 http://dx.doi.org/10.1038/s41598-020-79295-x Text en © The Author(s) 2020 Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Bugu, Sinan
Ozaydin, Fatih
Kodera, Tetsuo
Surpassing the classical limit in magic square game with distant quantum dots coupled to optical cavities
title Surpassing the classical limit in magic square game with distant quantum dots coupled to optical cavities
title_full Surpassing the classical limit in magic square game with distant quantum dots coupled to optical cavities
title_fullStr Surpassing the classical limit in magic square game with distant quantum dots coupled to optical cavities
title_full_unstemmed Surpassing the classical limit in magic square game with distant quantum dots coupled to optical cavities
title_short Surpassing the classical limit in magic square game with distant quantum dots coupled to optical cavities
title_sort surpassing the classical limit in magic square game with distant quantum dots coupled to optical cavities
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7747631/
https://www.ncbi.nlm.nih.gov/pubmed/33335261
http://dx.doi.org/10.1038/s41598-020-79295-x
work_keys_str_mv AT bugusinan surpassingtheclassicallimitinmagicsquaregamewithdistantquantumdotscoupledtoopticalcavities
AT ozaydinfatih surpassingtheclassicallimitinmagicsquaregamewithdistantquantumdotscoupledtoopticalcavities
AT koderatetsuo surpassingtheclassicallimitinmagicsquaregamewithdistantquantumdotscoupledtoopticalcavities