Switched wave packets: a route to nonperturbative quantum control

The dynamic Stark effect due to a strong nonresonant but nonionizing laser field provides a route to quantum control via the creation of novel superposition states. We consider the creation of a field-free "switched" wave packet through adiabatic turn-on and sudden turn-off of a strong dyn...

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Bibliographic Details
Published in:Physical review letters 2003-06, Vol.90 (22), p.223001-223001, Article 223001
Main Authors: Underwood, Jonathan G, Spanner, Michael, Ivanov, Misha Yu, Mottershead, Jeff, Sussman, Benjamin J, Stolow, Albert
Format: Article
Language:English
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Summary:The dynamic Stark effect due to a strong nonresonant but nonionizing laser field provides a route to quantum control via the creation of novel superposition states. We consider the creation of a field-free "switched" wave packet through adiabatic turn-on and sudden turn-off of a strong dynamic Stark interaction. There are two limiting cases for such wave packets. The first is a Raman-type coupling, illustrated by the creation of field-free molecular axis alignment. An experimental demonstration is given. The second case is that of dipole-type coupling, illustrated by the creation of charge localization in an array of quantum wells.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.90.223001