SWAP gate on two modes of an optical cavity mediated by a laser-dressed V-type atom
A laser-dressed V -type atom trapped in a two-mode optical cavity is investigated, which induces a SWAP gate on the two modes of the cavity. Two laser fields are imposed to interact with the atom dispersively, which leads to an effective interaction between two atomic excited states. The state of th...
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| Veröffentlicht in: | Quantum information processing 2020-02, Vol.19 (2), Article 59 |
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| creator | Zhang, Xuehua Ding, Xingxing Ge, Xianghong |
| description | A laser-dressed
V
-type atom trapped in a two-mode optical cavity is investigated, which induces a SWAP gate on the two modes of the cavity. Two laser fields are imposed to interact with the atom dispersively, which leads to an effective interaction between two atomic excited states. The state of the atom prepared initially in the ground state keeps invariant, but the photon exchange between the two cavity modes occurs. Compared with the schemes (Lin et al. in Phys Rev A 77:064301, 2008 and Yan et al. in Quantum Inf Process 17:71, 2018) that use
∇
-type atoms, the present scheme is more practical, because usually the
∇
-type atom may be hardly obtained due to the dipole transition selection rule. In addition, the robustness of the SWAP gate against the pulse control error is strengthened by using time-dependent shaped pulses. The effect of the atomic spontaneous radiation and the photon loss is discussed by means of the numerical simulations. |
| doi_str_mv | 10.1007/s11128-019-2556-3 |
| format | Article |
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V
-type atom trapped in a two-mode optical cavity is investigated, which induces a SWAP gate on the two modes of the cavity. Two laser fields are imposed to interact with the atom dispersively, which leads to an effective interaction between two atomic excited states. The state of the atom prepared initially in the ground state keeps invariant, but the photon exchange between the two cavity modes occurs. Compared with the schemes (Lin et al. in Phys Rev A 77:064301, 2008 and Yan et al. in Quantum Inf Process 17:71, 2018) that use
∇
-type atoms, the present scheme is more practical, because usually the
∇
-type atom may be hardly obtained due to the dipole transition selection rule. In addition, the robustness of the SWAP gate against the pulse control error is strengthened by using time-dependent shaped pulses. The effect of the atomic spontaneous radiation and the photon loss is discussed by means of the numerical simulations.</description><identifier>ISSN: 1570-0755</identifier><identifier>EISSN: 1573-1332</identifier><identifier>DOI: 10.1007/s11128-019-2556-3</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Computer simulation ; Data Structures and Information Theory ; Dipoles ; Lasers ; Mathematical Physics ; Photons ; Physics ; Physics and Astronomy ; Quantum Computing ; Quantum Information Technology ; Quantum Physics ; Robustness (mathematics) ; Spintronics ; Time dependence</subject><ispartof>Quantum information processing, 2020-02, Vol.19 (2), Article 59</ispartof><rights>Springer Science+Business Media, LLC, part of Springer Nature 2020</rights><rights>2020© Springer Science+Business Media, LLC, part of Springer Nature 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c316t-8d87e0d8a8fc30d91a0ccb577c157237585f121af4bb087e4c189c24f2d5fc9a3</citedby><cites>FETCH-LOGICAL-c316t-8d87e0d8a8fc30d91a0ccb577c157237585f121af4bb087e4c189c24f2d5fc9a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11128-019-2556-3$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11128-019-2556-3$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Zhang, Xuehua</creatorcontrib><creatorcontrib>Ding, Xingxing</creatorcontrib><creatorcontrib>Ge, Xianghong</creatorcontrib><title>SWAP gate on two modes of an optical cavity mediated by a laser-dressed V-type atom</title><title>Quantum information processing</title><addtitle>Quantum Inf Process</addtitle><description>A laser-dressed
V
-type atom trapped in a two-mode optical cavity is investigated, which induces a SWAP gate on the two modes of the cavity. Two laser fields are imposed to interact with the atom dispersively, which leads to an effective interaction between two atomic excited states. The state of the atom prepared initially in the ground state keeps invariant, but the photon exchange between the two cavity modes occurs. Compared with the schemes (Lin et al. in Phys Rev A 77:064301, 2008 and Yan et al. in Quantum Inf Process 17:71, 2018) that use
∇
-type atoms, the present scheme is more practical, because usually the
∇
-type atom may be hardly obtained due to the dipole transition selection rule. In addition, the robustness of the SWAP gate against the pulse control error is strengthened by using time-dependent shaped pulses. The effect of the atomic spontaneous radiation and the photon loss is discussed by means of the numerical simulations.</description><subject>Computer simulation</subject><subject>Data Structures and Information Theory</subject><subject>Dipoles</subject><subject>Lasers</subject><subject>Mathematical Physics</subject><subject>Photons</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Quantum Computing</subject><subject>Quantum Information Technology</subject><subject>Quantum Physics</subject><subject>Robustness (mathematics)</subject><subject>Spintronics</subject><subject>Time dependence</subject><issn>1570-0755</issn><issn>1573-1332</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp1kE1LxDAQhosouK7-AG8Bz9FM0rTpcVn8ggWF9eMY0nwsXbZNTbpK_71ZK3jyNMPwvDPDk2WXQK6BkPImAgAVmECFKecFZkfZDHjJMDBGj396gknJ-Wl2FuOWEAqFKGbZev2-eEYbNVjkOzR8edR6YyPyDqkO-X5otNohrT6bYUStNU0iDapHpNBORRuwCTbGNHrDw9hbpAbfnmcnTu2ivfit8-z17vZl-YBXT_ePy8UKawbFgIURpSVGKOE0I6YCRbSueVnq9CxlJRfcAQXl8romCc01iErT3FHDna4Um2dX094--I-9jYPc-n3o0klJGQMBOSt4omCidPAxButkH5pWhVECkQd3cnInkzt5cCdZytApExPbbWz42_x_6BvfoXAu</recordid><startdate>20200201</startdate><enddate>20200201</enddate><creator>Zhang, Xuehua</creator><creator>Ding, Xingxing</creator><creator>Ge, Xianghong</creator><general>Springer US</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20200201</creationdate><title>SWAP gate on two modes of an optical cavity mediated by a laser-dressed V-type atom</title><author>Zhang, Xuehua ; Ding, Xingxing ; Ge, Xianghong</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c316t-8d87e0d8a8fc30d91a0ccb577c157237585f121af4bb087e4c189c24f2d5fc9a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Computer simulation</topic><topic>Data Structures and Information Theory</topic><topic>Dipoles</topic><topic>Lasers</topic><topic>Mathematical Physics</topic><topic>Photons</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Quantum Computing</topic><topic>Quantum Information Technology</topic><topic>Quantum Physics</topic><topic>Robustness (mathematics)</topic><topic>Spintronics</topic><topic>Time dependence</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Xuehua</creatorcontrib><creatorcontrib>Ding, Xingxing</creatorcontrib><creatorcontrib>Ge, Xianghong</creatorcontrib><collection>CrossRef</collection><jtitle>Quantum information processing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Xuehua</au><au>Ding, Xingxing</au><au>Ge, Xianghong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>SWAP gate on two modes of an optical cavity mediated by a laser-dressed V-type atom</atitle><jtitle>Quantum information processing</jtitle><stitle>Quantum Inf Process</stitle><date>2020-02-01</date><risdate>2020</risdate><volume>19</volume><issue>2</issue><artnum>59</artnum><issn>1570-0755</issn><eissn>1573-1332</eissn><abstract>A laser-dressed
V
-type atom trapped in a two-mode optical cavity is investigated, which induces a SWAP gate on the two modes of the cavity. Two laser fields are imposed to interact with the atom dispersively, which leads to an effective interaction between two atomic excited states. The state of the atom prepared initially in the ground state keeps invariant, but the photon exchange between the two cavity modes occurs. Compared with the schemes (Lin et al. in Phys Rev A 77:064301, 2008 and Yan et al. in Quantum Inf Process 17:71, 2018) that use
∇
-type atoms, the present scheme is more practical, because usually the
∇
-type atom may be hardly obtained due to the dipole transition selection rule. In addition, the robustness of the SWAP gate against the pulse control error is strengthened by using time-dependent shaped pulses. The effect of the atomic spontaneous radiation and the photon loss is discussed by means of the numerical simulations.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s11128-019-2556-3</doi></addata></record> |
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| subjects | Computer simulation Data Structures and Information Theory Dipoles Lasers Mathematical Physics Photons Physics Physics and Astronomy Quantum Computing Quantum Information Technology Quantum Physics Robustness (mathematics) Spintronics Time dependence |
| title | SWAP gate on two modes of an optical cavity mediated by a laser-dressed V-type atom |
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