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Stabilizing entanglement by quantum-jump-based feedback

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Carvalho, Andre; Hope, Joseph

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We show that direct feedback based on quantum-jump detection can be used to generate entangled steady states. We present a strategy that is insensitive to detection inefficiencies and robust against errors in the control Hamiltonian. This feedback procedure is also shown to overcome spontaneous emission effects by stabilizing states with a high degree of entanglement.

dc.contributor.authorCarvalho, Andre
dc.contributor.authorHope, Joseph
dc.date.accessioned2015-12-07T22:17:05Z
dc.identifier.issn1050-2947
dc.identifier.urihttp://hdl.handle.net/1885/18366
dc.description.abstractWe show that direct feedback based on quantum-jump detection can be used to generate entangled steady states. We present a strategy that is insensitive to detection inefficiencies and robust against errors in the control Hamiltonian. This feedback procedure is also shown to overcome spontaneous emission effects by stabilizing states with a high degree of entanglement.
dc.publisherAmerican Physical Society
dc.sourcePhysical Review A: Atomic, Molecular and Optical Physics
dc.subjectKeywords: Demodulation; Error analysis; Feedback control; Hamiltonians; Control Hamiltonian; Direct feedback; Entangled steady states; Quantum jump detection; Quantum theory
dc.titleStabilizing entanglement by quantum-jump-based feedback
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume76
dc.date.issued2007
local.identifier.absfor020604 - Quantum Optics
local.identifier.ariespublicationu4296190xPUB4
local.type.statusPublished Version
local.contributor.affiliationCarvalho, Andre, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationHope, Joseph, College of Physical and Mathematical Sciences, ANU
local.description.embargo2037-12-31
local.bibliographicCitation.startpage010301 1
local.bibliographicCitation.lastpage4
local.identifier.doi10.1103/PhysRevA.76.010301
dc.date.updated2015-12-07T08:01:54Z
local.identifier.scopusID2-s2.0-34547212748
CollectionsANU Research Publications

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