Operational entanglement-based quantum key distribution over 50 km of real-field optical fibres
We present a real field quantum key distribution link based on energy-time entanglement. Three nodes are connected over the city of Nice by means of optical fibers with a total distance of 50\,km. We have implemented a high-quality source of energy-time entangled photon pairs and actively stabilized...
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| creator | Pelet, Yoann Sauder, Grégory Cohen, Mathis Labonté, Laurent Alibart, Olivier Martin, Anthony Tanzilli, Sébastien |
| description | We present a real field quantum key distribution link based on energy-time
entanglement. Three nodes are connected over the city of Nice by means of
optical fibers with a total distance of 50\,km. We have implemented a
high-quality source of energy-time entangled photon pairs and actively
stabilized analysers to project the quantum states, associated with an
innovative remote synchronization method of the end stations' clocks which does
not require any dedicated channel. The system is compatible with the ITU
100\,GHz standard telecom-grid, through which a raw key rate of 40\,kbps per
pair of channels is obtained. A post-treatment software performs all the
necessary post-processing procedures enabling to establish secret keys in real
time. All of those embedded systems and achieved performance make this network
the first fully operational entanglement based metropolitan quantum network to
be implemented in real field. |
| doi_str_mv | 10.48550/arxiv.2207.14707 |
| format | Article |
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entanglement. Three nodes are connected over the city of Nice by means of
optical fibers with a total distance of 50\,km. We have implemented a
high-quality source of energy-time entangled photon pairs and actively
stabilized analysers to project the quantum states, associated with an
innovative remote synchronization method of the end stations' clocks which does
not require any dedicated channel. The system is compatible with the ITU
100\,GHz standard telecom-grid, through which a raw key rate of 40\,kbps per
pair of channels is obtained. A post-treatment software performs all the
necessary post-processing procedures enabling to establish secret keys in real
time. All of those embedded systems and achieved performance make this network
the first fully operational entanglement based metropolitan quantum network to
be implemented in real field.</description><identifier>DOI: 10.48550/arxiv.2207.14707</identifier><language>eng</language><subject>Physics - Quantum Physics</subject><creationdate>2022-07</creationdate><rights>http://arxiv.org/licenses/nonexclusive-distrib/1.0</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,780,885</link.rule.ids><linktorsrc>$$Uhttps://arxiv.org/abs/2207.14707$$EView_record_in_Cornell_University$$FView_record_in_$$GCornell_University$$Hfree_for_read</linktorsrc><backlink>$$Uhttps://doi.org/10.48550/arXiv.2207.14707$$DView paper in arXiv$$Hfree_for_read</backlink></links><search><creatorcontrib>Pelet, Yoann</creatorcontrib><creatorcontrib>Sauder, Grégory</creatorcontrib><creatorcontrib>Cohen, Mathis</creatorcontrib><creatorcontrib>Labonté, Laurent</creatorcontrib><creatorcontrib>Alibart, Olivier</creatorcontrib><creatorcontrib>Martin, Anthony</creatorcontrib><creatorcontrib>Tanzilli, Sébastien</creatorcontrib><title>Operational entanglement-based quantum key distribution over 50 km of real-field optical fibres</title><description>We present a real field quantum key distribution link based on energy-time
entanglement. Three nodes are connected over the city of Nice by means of
optical fibers with a total distance of 50\,km. We have implemented a
high-quality source of energy-time entangled photon pairs and actively
stabilized analysers to project the quantum states, associated with an
innovative remote synchronization method of the end stations' clocks which does
not require any dedicated channel. The system is compatible with the ITU
100\,GHz standard telecom-grid, through which a raw key rate of 40\,kbps per
pair of channels is obtained. A post-treatment software performs all the
necessary post-processing procedures enabling to establish secret keys in real
time. All of those embedded systems and achieved performance make this network
the first fully operational entanglement based metropolitan quantum network to
be implemented in real field.</description><subject>Physics - Quantum Physics</subject><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>GOX</sourceid><recordid>eNotjzluwzAURNmkCJwcIJV5ASokxUUqAyMbYMCNe-FT_AwIU0soyYhvH9lJNVMMHuYR8iR4oSqt-TPkn3gupOS2EMpye0-aw4gZ5jj0kCj2M_RfCbu1MAcTevq9QD8vHT3hhfo4zTm65bqmwxkz1ZyeOjoEmhESCxGTp8M4x3aFhegyTg_kLkCa8PE_N-T49nrcfbD94f1z97JnYKxl2Fora9WCdwJMKZR0SpbcSGEqNJXxwninbL0-13XwvvbATRBGImoBIMoN2f5hb4bNmGMH-dJcTZubafkLyIhPBA</recordid><startdate>20220729</startdate><enddate>20220729</enddate><creator>Pelet, Yoann</creator><creator>Sauder, Grégory</creator><creator>Cohen, Mathis</creator><creator>Labonté, Laurent</creator><creator>Alibart, Olivier</creator><creator>Martin, Anthony</creator><creator>Tanzilli, Sébastien</creator><scope>GOX</scope></search><sort><creationdate>20220729</creationdate><title>Operational entanglement-based quantum key distribution over 50 km of real-field optical fibres</title><author>Pelet, Yoann ; Sauder, Grégory ; Cohen, Mathis ; Labonté, Laurent ; Alibart, Olivier ; Martin, Anthony ; Tanzilli, Sébastien</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a677-ec77294cadb1a63142b423062168e686d16db47922059fdd9da06f162ee51aa13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Physics - Quantum Physics</topic><toplevel>online_resources</toplevel><creatorcontrib>Pelet, Yoann</creatorcontrib><creatorcontrib>Sauder, Grégory</creatorcontrib><creatorcontrib>Cohen, Mathis</creatorcontrib><creatorcontrib>Labonté, Laurent</creatorcontrib><creatorcontrib>Alibart, Olivier</creatorcontrib><creatorcontrib>Martin, Anthony</creatorcontrib><creatorcontrib>Tanzilli, Sébastien</creatorcontrib><collection>arXiv.org</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Pelet, Yoann</au><au>Sauder, Grégory</au><au>Cohen, Mathis</au><au>Labonté, Laurent</au><au>Alibart, Olivier</au><au>Martin, Anthony</au><au>Tanzilli, Sébastien</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Operational entanglement-based quantum key distribution over 50 km of real-field optical fibres</atitle><date>2022-07-29</date><risdate>2022</risdate><abstract>We present a real field quantum key distribution link based on energy-time
entanglement. Three nodes are connected over the city of Nice by means of
optical fibers with a total distance of 50\,km. We have implemented a
high-quality source of energy-time entangled photon pairs and actively
stabilized analysers to project the quantum states, associated with an
innovative remote synchronization method of the end stations' clocks which does
not require any dedicated channel. The system is compatible with the ITU
100\,GHz standard telecom-grid, through which a raw key rate of 40\,kbps per
pair of channels is obtained. A post-treatment software performs all the
necessary post-processing procedures enabling to establish secret keys in real
time. All of those embedded systems and achieved performance make this network
the first fully operational entanglement based metropolitan quantum network to
be implemented in real field.</abstract><doi>10.48550/arxiv.2207.14707</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Physics - Quantum Physics |
| title | Operational entanglement-based quantum key distribution over 50 km of real-field optical fibres |
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