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Zhou, Lan; Yang, S.; Liu, Yu-xi; Sun, C. P.; Nori, Franco; Zhou, L , Hunan Normal Univ, Dept Phys, Changsha 410081, Hunan, Peoples R China
Quantum Zeno switch for single-photon coherent transport
Source PublicationPHYSICAL REVIEW A
KeywordParadox Decoherence Suppression
AbstractUsing a dynamical quantum Zeno effect, we propose a general approach to control the coupling between a two-level system (TLS) and its surroundings, by modulating the energy-level spacing of the TLS with a high-frequency signal. We show that the TLS-surroundings interaction can be turned off when the ratio between the amplitude and the frequency of the modulating field is adjusted to be a zero of a Bessel function. The quantum Zeno effect of the TLS can also be observed by the vanishing of the photon reflection at these zeros. Based on these results, we propose a quantum switch to control the transport of a single photon in a one-dimensional waveguide. Our analytical results agree well with numerical results using Floquet theory.
2009
ISSN1050-2947
Volume80Issue:6Pages:-
Subject AreaPhysics
Indexed BySCI
Citation statistics
Cited Times:80[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5199
CollectionSCI期刊论文
Corresponding AuthorZhou, L , Hunan Normal Univ, Dept Phys, Changsha 410081, Hunan, Peoples R China
Recommended Citation
GB/T 7714
Zhou, Lan,Yang, S.,Liu, Yu-xi,et al. Quantum Zeno switch for single-photon coherent transport[J]. PHYSICAL REVIEW A,2009,80(6):-.
APA Zhou, Lan,Yang, S.,Liu, Yu-xi,Sun, C. P.,Nori, Franco,&Zhou, L , Hunan Normal Univ, Dept Phys, Changsha 410081, Hunan, Peoples R China.(2009).Quantum Zeno switch for single-photon coherent transport.PHYSICAL REVIEW A,80(6),-.
MLA Zhou, Lan,et al."Quantum Zeno switch for single-photon coherent transport".PHYSICAL REVIEW A 80.6(2009):-.
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