Matter-wave recombiners for trapped Bose-Einstein condensates
Interferometry with trapped atomic Bose-Einstein condensates (BECs) requires the development of techniques to recombine the two paths of the interferometer and map the accumulated phase difference to a measurable atom number difference. We have implemented and compared two recombining procedures in...
| Authors: | ; ; ; ; ; ; ; |
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| Format: | Article |
| Status: | Published version |
| Publication date: | 2016 |
| Country: | España |
| Institution: | Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya) |
| Repository: | Recercat. Dipósit de la Recerca de Catalunya |
| OAI Identifier: | oai:recercat.cat:2445/128273 |
| Online Access: | https://hdl.handle.net/2445/128273 |
| Access Level: | Open access |
| Keyword: | Interferometria Condensació de Bose-Einstein Interferometry Bose-Einstein condensation |
| _version_ | 1878741733181751296 |
|---|---|
| author | Berrada, T. |
| author2 | van Frank, S. Bücker, R. Schumm, T. Schaff, J. F. Schmiedmayer, J. Juliá-Díaz, Bruno Polls Martí, Artur |
| author2_role | author author author author author author author |
| author_browse | Berrada, T. Bücker, R. Juliá-Díaz, Bruno Polls Martí, Artur Schaff, J. F. Schmiedmayer, J. Schumm, T. van Frank, S. |
| author_facet | Berrada, T. van Frank, S. Bücker, R. Schumm, T. Schaff, J. F. Schmiedmayer, J. Juliá-Díaz, Bruno Polls Martí, Artur |
| author_role | author |
| collection | Recercat. Dipósit de la Recerca de Catalunya |
| description | Interferometry with trapped atomic Bose-Einstein condensates (BECs) requires the development of techniques to recombine the two paths of the interferometer and map the accumulated phase difference to a measurable atom number difference. We have implemented and compared two recombining procedures in a double-well-based BEC interferometer. The first procedure utilizes the bosonic Josephson effect and controlled tunneling of atoms through the potential barrier, similar to laser light in an optical fiber coupler. The second one relies on the interference of the reflected and transmitted parts of the BEC wave function when impinging on the potential barrier, analogous to light impinging on a half-silvered mirror. Both schemes were implemented successfully, yielding an interferometric contrast of similar to 20% and 42% respectively. Building efficient matter-wave recombiners represents an important step towards the coherent manipulation of external quantum superposition states of BECs. |
| eu_rights_str_mv | openAccess |
| format | article |
| id | ES_ea7377fdd9065fa589f4bfb2d4ebd2b4 |
| institution | Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya) |
| instname_str | Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya) |
| network_acronym_str | ES |
| network_name_str | España |
| oai_identifier_str | oai:recercat.cat:2445/128273 |
| publishDate | 2016 |
| publishDateSort | 2016 |
| publisher | American Physical Society |
| publisherStr | American Physical Society |
| reponame_str | Recercat. Dipósit de la Recerca de Catalunya |
| spelling | Matter-wave recombiners for trapped Bose-Einstein condensates Berrada, T. van Frank, S. Bücker, R. Schumm, T. Schaff, J. F. Schmiedmayer, J. Juliá-Díaz, Bruno Polls Martí, Artur Interferometria Condensació de Bose-Einstein Interferometry Bose-Einstein condensation Interferometry with trapped atomic Bose-Einstein condensates (BECs) requires the development of techniques to recombine the two paths of the interferometer and map the accumulated phase difference to a measurable atom number difference. We have implemented and compared two recombining procedures in a double-well-based BEC interferometer. The first procedure utilizes the bosonic Josephson effect and controlled tunneling of atoms through the potential barrier, similar to laser light in an optical fiber coupler. The second one relies on the interference of the reflected and transmitted parts of the BEC wave function when impinging on the potential barrier, analogous to light impinging on a half-silvered mirror. Both schemes were implemented successfully, yielding an interferometric contrast of similar to 20% and 42% respectively. Building efficient matter-wave recombiners represents an important step towards the coherent manipulation of external quantum superposition states of BECs. American Physical Society https://hdl.handle.net/2445/128273 |
| spellingShingle | Matter-wave recombiners for trapped Bose-Einstein condensates Berrada, T. Interferometria Condensació de Bose-Einstein Interferometry Bose-Einstein condensation |
| status_str | publishedVersion |
| title | Matter-wave recombiners for trapped Bose-Einstein condensates |
| title_full | Matter-wave recombiners for trapped Bose-Einstein condensates |
| title_fullStr | Matter-wave recombiners for trapped Bose-Einstein condensates |
| title_full_unstemmed | Matter-wave recombiners for trapped Bose-Einstein condensates |
| title_short | Matter-wave recombiners for trapped Bose-Einstein condensates |
| title_sort | Matter-wave recombiners for trapped Bose-Einstein condensates |
| topic | Interferometria Condensació de Bose-Einstein Interferometry Bose-Einstein condensation |
| topic_facet | Interferometria Condensació de Bose-Einstein Interferometry Bose-Einstein condensation |
| url | https://hdl.handle.net/2445/128273 |