Beyond the Limits of Shannon’s Information in Quantum Key Distribution
We present a new post-processing method for Quantum Key Distribution (QKD) that raises cubically the secret key rate in the number of double matching detection events. In Shannon’s communication model, information is prepared at Alice’s side, and it is then intended to pass it over a noisy channel....
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2021-02-01
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| Series: | Entropy |
| Subjects: | |
| Online Access: | https://www.mdpi.com/1099-4300/23/2/229 |
| _version_ | 1797396442039451648 |
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| author | Luis Adrián Lizama-Pérez J. Mauricio López R. Emmanuel H. Samperio |
| author_facet | Luis Adrián Lizama-Pérez J. Mauricio López R. Emmanuel H. Samperio |
| author_sort | Luis Adrián Lizama-Pérez |
| collection | DOAJ |
| description | We present a new post-processing method for Quantum Key Distribution (QKD) that raises cubically the secret key rate in the number of double matching detection events. In Shannon’s communication model, information is prepared at Alice’s side, and it is then intended to pass it over a noisy channel. In our approach, secret bits do not rely in Alice’s transmitted quantum bits but in Bob’s basis measurement choices. Therefore, measured bits are publicly revealed, while bases selections remain secret. Our method implements sifting, reconciliation, and amplification in a unique process, and it just requires a round iteration; no redundancy bits are sent, and there is no limit in the correctable error percentage. Moreover, this method can be implemented as a post-processing software into QKD technologies already in use. |
| first_indexed | 2024-03-09T00:50:25Z |
| format | Article |
| id | doaj.art-4441b07c472c49a0b9b4fad6c00429a8 |
| institution | Directory Open Access Journal |
| issn | 1099-4300 |
| language | English |
| last_indexed | 2024-03-09T00:50:25Z |
| publishDate | 2021-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Entropy |
| spelling | doaj.art-4441b07c472c49a0b9b4fad6c00429a82023-12-11T17:12:52ZengMDPI AGEntropy1099-43002021-02-0123222910.3390/e23020229Beyond the Limits of Shannon’s Information in Quantum Key DistributionLuis Adrián Lizama-Pérez0J. Mauricio López R.1Emmanuel H. Samperio2Dirección de Investigación, Innovación y Posgrado, Universidad Politécnica de Pachuca, Ex-Hacienda de Santa Bárbara, Zempoala, Hidalgo 43830, MexicoCinvestav Querétaro, Libramiento Norponiente 2000, Real de Juriquilla, Santiago de Querétaro, Querétaro 76230, MexicoDirección de Investigación, Innovación y Posgrado, Universidad Politécnica de Pachuca, Ex-Hacienda de Santa Bárbara, Zempoala, Hidalgo 43830, MexicoWe present a new post-processing method for Quantum Key Distribution (QKD) that raises cubically the secret key rate in the number of double matching detection events. In Shannon’s communication model, information is prepared at Alice’s side, and it is then intended to pass it over a noisy channel. In our approach, secret bits do not rely in Alice’s transmitted quantum bits but in Bob’s basis measurement choices. Therefore, measured bits are publicly revealed, while bases selections remain secret. Our method implements sifting, reconciliation, and amplification in a unique process, and it just requires a round iteration; no redundancy bits are sent, and there is no limit in the correctable error percentage. Moreover, this method can be implemented as a post-processing software into QKD technologies already in use.https://www.mdpi.com/1099-4300/23/2/229QKDdistillationamplificationreconciliation |
| spellingShingle | Luis Adrián Lizama-Pérez J. Mauricio López R. Emmanuel H. Samperio Beyond the Limits of Shannon’s Information in Quantum Key Distribution Entropy QKD distillation amplification reconciliation |
| title | Beyond the Limits of Shannon’s Information in Quantum Key Distribution |
| title_full | Beyond the Limits of Shannon’s Information in Quantum Key Distribution |
| title_fullStr | Beyond the Limits of Shannon’s Information in Quantum Key Distribution |
| title_full_unstemmed | Beyond the Limits of Shannon’s Information in Quantum Key Distribution |
| title_short | Beyond the Limits of Shannon’s Information in Quantum Key Distribution |
| title_sort | beyond the limits of shannon s information in quantum key distribution |
| topic | QKD distillation amplification reconciliation |
| url | https://www.mdpi.com/1099-4300/23/2/229 |
| work_keys_str_mv | AT luisadrianlizamaperez beyondthelimitsofshannonsinformationinquantumkeydistribution AT jmauriciolopezr beyondthelimitsofshannonsinformationinquantumkeydistribution AT emmanuelhsamperio beyondthelimitsofshannonsinformationinquantumkeydistribution |