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Geometric phase in inhomogeneous optical nutation
Yu Y.1; Pan H.2; Xue L.3; Guo L.1; Wang Z.2
Source PublicationEuropean Physical Journal D
ISSN14346079 14346060

Optical nutation and its geometric phase are investigated in terms of an inhomogeneous Bloch equation with a constant term. The analytic solution of optical nutation is obtained by mapping it onto a Bloch sphere structure. We find that a constant, from the equilibrium value of the population inversion in the absence of the laser beam, trends to keep the quantum coherence and is helpful to preserve quantum message. We show that the Berry phase of optical nutation is related to the inner evolution in processing of the optical nutation under a quasicyclic evolution. Furthermore, we find that the Berry phases of two-state mixture change very slowly with its environment variable so as to be robust against the decoherent effect. Our results provide a guidance to implement fault-tolerant geometric quantum computation in the echo approach with an inhomogeneous Bloch equation. Graphical abstract: [Figure not available: see fulltext.]

KeywordQuantum Optics
URLView the original
Indexed BySCI
WOS Research AreaOptics ; Physics
WOS SubjectOptics ; Physics, Atomic, Molecular & Chemical
WOS IDWOS:000367177500002
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Cited Times [WOS]:1   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
Affiliation1.Wuhan University
2.Universidade de Macau
3.Jiangxi Normal University
Recommended Citation
GB/T 7714
Yu Y.,Pan H.,Xue L.,et al. Geometric phase in inhomogeneous optical nutation[J]. European Physical Journal D,2015,69(11).
APA Yu Y.,Pan H.,Xue L.,Guo L.,&Wang Z..(2015).Geometric phase in inhomogeneous optical nutation.European Physical Journal D,69(11).
MLA Yu Y.,et al."Geometric phase in inhomogeneous optical nutation".European Physical Journal D 69.11(2015).
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