Theory of Light - Atomic Ensemble Interactions: Entanglement, Storage, and Retrieval

dc.contributor.advisor Kennedy, T. A. Brian
dc.contributor.author Jenkins, Stewart David en_US
dc.contributor.committeeMember Chapman, Michael S.
dc.contributor.committeeMember Kuzmich, Alex
dc.contributor.committeeMember Morley, Thomas D.
dc.contributor.committeeMember Raman, Chandra
dc.contributor.department Physics en_US
dc.date.accessioned 2007-03-27T18:12:03Z
dc.date.available 2007-03-27T18:12:03Z
dc.date.issued 2006-09-27 en_US
dc.description.abstract In this thesis, we explore the quantum dynamics of light interactions with optically thick collections of atoms. We provide a theoretical description of several recent experiments in which some key operations necessary for the implementation of quantum communication networks are demonstrated. Collective Raman scattering from an atomic ensemble is shown to produce probabilistic entanglement between the polarization of a scattered photon and an associated collective atomic excitation. The predicted correlations agree with experimental observations. We also propose a method to use cascade transitions to produce entanglement between a photon with a frequency in the telecom range (ideal for transmission over optical fibers) and a near infrared photon (ideal for storage in an atomic ensemble), and a description of the experimental demonstration is provided. We also propose and describe the implementation of a deterministic source of single photons. In addition, we generalize the theory of dark-state polaritons in ensembles of three level Lambda atoms to account for the nuclear spin degeneracy of alkali atoms. This generalized theory provides a description of the first demonstration of single photon storage and retrieval from atomic ensembles. Additionally, in the presence of a uniform magnetic field, we predict the occurrence of collapses and revivals of the photon retrieval efficiency as a function of storage time within the ensemble. These predictions are in very good agreement with subsequent experimental observations. We also exploit the ability of photon storage to entangle remote atomic qubits. en_US
dc.description.degree Ph.D. en_US
dc.format.extent 5764597 bytes
dc.format.mimetype application/pdf
dc.identifier.uri http://hdl.handle.net/1853/13999
dc.language.iso en_US
dc.publisher Georgia Institute of Technology en_US
dc.subject Quantum optics en_US
dc.subject Quantum information en_US
dc.subject.lcsh Quantum electrodynamics en_US
dc.subject.lcsh Quantum optics en_US
dc.subject.lcsh Photonuclear reactions en_US
dc.title Theory of Light - Atomic Ensemble Interactions: Entanglement, Storage, and Retrieval en_US
dc.type Text
dc.type.genre Dissertation
dspace.entity.type Publication
local.contributor.advisor Kennedy, T. A. Brian
local.contributor.corporatename College of Sciences
local.contributor.corporatename School of Physics
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relation.isOrgUnitOfPublication 85042be6-2d68-4e07-b384-e1f908fae48a
relation.isOrgUnitOfPublication 2ba39017-11f1-40f4-9bc5-66f17b8f1539
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