Enhancement of ultracold molecule formation by local control in the nanosecond regime
We describe quantum simulations of ultracold 87Rb2 molecule formation using photoassociation (PA) with nanosecond-time-scale pulses of frequency chirped light. In particular, we compare the case of a linear chirp to one where the frequency evolution is optimized by local control (LC) of the phase, a...
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| Veröffentlicht in: | New journal of physics 2015-02, Vol.17 (2), p.25008-12 |
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| creator | Carini, J L Kallush, S Kosloff, R Gould, P L |
| description | We describe quantum simulations of ultracold 87Rb2 molecule formation using photoassociation (PA) with nanosecond-time-scale pulses of frequency chirped light. In particular, we compare the case of a linear chirp to one where the frequency evolution is optimized by local control (LC) of the phase, and find that LC can provide a significant enhancement. The resulting optimal frequency evolution corresponds to a rapid jump from the PA absorption resonance to a downward transition to a bound level of the lowest triplet state. We also consider the case of two frequencies and investigate interference effects. The assumed chirp parameters should be achievable with nanosecond pulse shaping techniques and are predicted to provide a significant enhancement over recent experiments with linear chirps. |
| doi_str_mv | 10.1088/1367-2630/17/2/025008 |
| format | Article |
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In particular, we compare the case of a linear chirp to one where the frequency evolution is optimized by local control (LC) of the phase, and find that LC can provide a significant enhancement. The resulting optimal frequency evolution corresponds to a rapid jump from the PA absorption resonance to a downward transition to a bound level of the lowest triplet state. We also consider the case of two frequencies and investigate interference effects. 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Phys</addtitle><description>We describe quantum simulations of ultracold 87Rb2 molecule formation using photoassociation (PA) with nanosecond-time-scale pulses of frequency chirped light. In particular, we compare the case of a linear chirp to one where the frequency evolution is optimized by local control (LC) of the phase, and find that LC can provide a significant enhancement. The resulting optimal frequency evolution corresponds to a rapid jump from the PA absorption resonance to a downward transition to a bound level of the lowest triplet state. We also consider the case of two frequencies and investigate interference effects. The assumed chirp parameters should be achievable with nanosecond pulse shaping techniques and are predicted to provide a significant enhancement over recent experiments with linear chirps.</description><subject>ATOMIC AND MOLECULAR PHYSICS</subject><subject>Atomic energy levels</subject><subject>Chirp</subject><subject>coherent control</subject><subject>Evolution</subject><subject>Formations</subject><subject>Interference</subject><subject>Nanosecond pulses</subject><subject>Nanostructure</subject><subject>Optimization</subject><subject>photoassociation</subject><subject>Physics</subject><subject>quantum control</subject><subject>Simulation</subject><subject>ultracold molecules</subject><issn>1367-2630</issn><issn>1367-2630</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>O3W</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>DOA</sourceid><recordid>eNp9kUGLFDEQhRtRcB39CULQi5dxUkl3JznKsurCghf3HJJ09U6GdDIm6cP-ezO2rOLBUxWP7z2oel33FuhHoFIegI9iz0ZODyAO7EDZQKl81l096c__2l92r0o5UQogGbvq7m_i0USHC8ZK0kzWULNxKUxkSQHdGpDMKS-m-hSJfSQhOROIS7HmFIiPpB6RRBNTwSZOJOODX_B192I2oeCb33PX3X---X79dX_37cvt9ae7vevVWPeDHCbkg0Wp1AimH6wxSI1CanvLuJ0HZ4XphRSjo9aAFQqVc8MoGVjLZ77rbrfcKZmTPme_mPyok_H6l5Dygza5ehdQTyhmrobJSct67MFOk5AzCNYEaVrarnu3ZaVSvS7OV3THdlNEVzXwHnrJG_Rhg845_VixVL344jAEEzGtRcMohOpHpmRD3_-DntKaY3uHZhyYYgrU2Khho1xOpWScn64Aqi_t6ktz-tKchjb11m7zwebz6fwn-P-enxi9pjQ</recordid><startdate>20150218</startdate><enddate>20150218</enddate><creator>Carini, J L</creator><creator>Kallush, S</creator><creator>Kosloff, R</creator><creator>Gould, P L</creator><general>IOP Publishing</general><scope>O3W</scope><scope>TSCCA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>H8D</scope><scope>L7M</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7U5</scope><scope>OTOTI</scope><scope>DOA</scope></search><sort><creationdate>20150218</creationdate><title>Enhancement of ultracold molecule formation by local control in the nanosecond regime</title><author>Carini, J L ; Kallush, S ; Kosloff, R ; Gould, P L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c496t-585de35be89961a45baae0a9e0b4b23bf5cb7a47876c0ba1b79e9cc56821bb3f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>ATOMIC AND MOLECULAR PHYSICS</topic><topic>Atomic energy levels</topic><topic>Chirp</topic><topic>coherent control</topic><topic>Evolution</topic><topic>Formations</topic><topic>Interference</topic><topic>Nanosecond pulses</topic><topic>Nanostructure</topic><topic>Optimization</topic><topic>photoassociation</topic><topic>Physics</topic><topic>quantum control</topic><topic>Simulation</topic><topic>ultracold molecules</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Carini, J L</creatorcontrib><creatorcontrib>Kallush, S</creatorcontrib><creatorcontrib>Kosloff, R</creatorcontrib><creatorcontrib>Gould, P L</creatorcontrib><creatorcontrib>Univ. of Connecticut, Storrs, CT (United States)</creatorcontrib><collection>Institute of Physics Open Access Journal Titles</collection><collection>IOPscience (Open Access)</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>OSTI.GOV</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>New journal of physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Carini, J L</au><au>Kallush, S</au><au>Kosloff, R</au><au>Gould, P L</au><aucorp>Univ. of Connecticut, Storrs, CT (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Enhancement of ultracold molecule formation by local control in the nanosecond regime</atitle><jtitle>New journal of physics</jtitle><stitle>NJP</stitle><addtitle>New J. Phys</addtitle><date>2015-02-18</date><risdate>2015</risdate><volume>17</volume><issue>2</issue><spage>25008</spage><epage>12</epage><pages>25008-12</pages><issn>1367-2630</issn><eissn>1367-2630</eissn><coden>NJOPFM</coden><abstract>We describe quantum simulations of ultracold 87Rb2 molecule formation using photoassociation (PA) with nanosecond-time-scale pulses of frequency chirped light. In particular, we compare the case of a linear chirp to one where the frequency evolution is optimized by local control (LC) of the phase, and find that LC can provide a significant enhancement. The resulting optimal frequency evolution corresponds to a rapid jump from the PA absorption resonance to a downward transition to a bound level of the lowest triplet state. We also consider the case of two frequencies and investigate interference effects. The assumed chirp parameters should be achievable with nanosecond pulse shaping techniques and are predicted to provide a significant enhancement over recent experiments with linear chirps.</abstract><cop>Bristol</cop><pub>IOP Publishing</pub><doi>10.1088/1367-2630/17/2/025008</doi><tpages>12</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | ATOMIC AND MOLECULAR PHYSICS Atomic energy levels Chirp coherent control Evolution Formations Interference Nanosecond pulses Nanostructure Optimization photoassociation Physics quantum control Simulation ultracold molecules |
| title | Enhancement of ultracold molecule formation by local control in the nanosecond regime |
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