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dc.contributor.author | Räsänen, E. | - |
dc.contributor.author | Castro, Alberto | - |
dc.contributor.author | Werschnik, J. | - |
dc.contributor.author | Rubio, Angel | - |
dc.contributor.author | Gross, E. K. U. | - |
dc.date.accessioned | 2008-11-12T12:53:10Z | - |
dc.date.available | 2008-11-12T12:53:10Z | - |
dc.date.issued | 2007-10-11 | - |
dc.identifier.citation | Physica E: Low-dimensional Systems & Nanostructures 40(5): 1593-1595 (2008) | en_US |
dc.identifier.issn | 1386-9477 | - |
dc.identifier.uri | http://hdl.handle.net/10261/8480 | - |
dc.description | 3 pages, 3 figures.-- PACS nrs.: 78.67.−n; 73.23.Ra; 78.20.Bh.-- El pdf del artículo es la versión pre-print. | en_US |
dc.description.abstract | We present two models of coherent quantum switches constructed from a single-electron quantum ring and a double quantum dot, respectively. The systems are driven by picosecond laser pulses obtained using quantum optimal control theory. The optimized pulses generate electron-current flips in the ring (magnetic switch) and electron transport in the double dot (charge switch) in significantly shorter times and higher accuracies than previously used finite-length continuous waves. This opens applicable paths into coherent single-qubit gates operated by terahertz lasers. | en_US |
dc.description.sponsorship | This work was supported by EC FP6 through the Nanoquanta NoE (NMP4-CT-2004-500198), SANES Project (NMP4-CT-2006-017310), DNA-NANODEVICES (NIST-2006-029192), Barcelona Supercomputing Center, the Humboldt Foundation, the Academy of Finland, and the Deutsche Forschungsgemeinschaft through SFB 658. | en_US |
dc.format.extent | 449319 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | en_US |
dc.publisher | Elsevier | en_US |
dc.relation.isversionof | Preprint | - |
dc.rights | openAccess | en_US |
dc.subject | Optimal control theory | en_US |
dc.subject | Quantum ring | en_US |
dc.subject | Double quantum dot | en_US |
dc.subject | Qubit | en_US |
dc.title | Coherent quantum switch driven by optimized laser pulses | en_US |
dc.type | artículo | en_US |
dc.identifier.doi | 10.1016/j.physe.2007.09.181 | - |
dc.description.peerreviewed | Peer reviewed | en_US |
dc.relation.publisherversion | http://dx.doi.org/10.1016/j.physe.2007.09.181 | en_US |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.grantfulltext | open | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
item.languageiso639-1 | en | - |
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Coherent quantumswitch.pdf | 423,06 kB | Adobe PDF | Visualizar/Abrir |
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