Polarization-Controlled Single Photons

Wilk, Tatjana; Webster, S. C.; Specht, Holger P.; Rempe, Gerhard; Kuhn, Axel

doi:10.1103/physrevlett.98.063601

Cited by 120 publications

(118 citation statements)

References 17 publications

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“…To date, alkali atoms such as Cs and Rb have been used. 109,143,158,[162][163][164] Atoms are first captured and cooled inside a magneto-optical trap (MOT). After the MOT is turned off, the atoms fall freely under the pull of gravity.…”

Section: Single-emitter Systemsmentioning

confidence: 99%

Invited Review Article: Single-photon sources and detectors

Eisaman

Fan²,

Migdall³

et al. 2011

Review of Scientific Instruments

1,301

1,317

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Section: Single-emitter Systemsmentioning

confidence: 99%

Invited Review Article: Single-photon sources and detectors

Eisaman

Fan²,

Migdall³

et al. 2011

Review of Scientific Instruments

1,301

1,317

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“…The latter timescale is normally the longest, lasting several microseconds, thus limiting the repetition rate to hundreds of kHz [42]. A technique to produce polarizationcontrolled photons from the cavity by shifting the laser frequency between Zeeman sub-states removes the need for repumping and can increase the repetition rate to MHz [51,52]. Fig.…”

Section: Single Photon Sourcementioning

confidence: 99%

EIT-based quantum memory for single photons from cavity-QED

et al. 2011

Self Cite

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We investigate the feasibility of implementing an elementary building block for quantum information processing. The combination of a deterministic single photon source based on vacuum stimulated adiabatic rapid passage, and a quantum memory based on electromagnetically induced transparency in atomic vapour is outlined. Both systems are able to produce and process temporally shaped wavepackets which provides a way to maintain the indistinguishability of retrieved and original photons. We also propose an efficient and robust 'repeat-until-success' quantum computation scheme based on this hybrid architecture.

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“…the observation of conditional phase shifts [34] or the controlled generation of single photons [35]. Especially the "vacuum stimulated Raman adiabatic passage" (STIRAP) technique [36][37][38] has been the basis for several landmark experiments: First, the generation of single photons with a steady increase in control and efficiency [35,[39][40][41][42][43][44][45][46]. Subsequently, the creation of atom-photon entangled states and the transfer of the atomic state onto the polarization of a single photon [47,48].…”

Section: Introductionmentioning

confidence: 99%

A Controlled Phase Gate Between a Single Atom and an Optical Photon

Reiserer

2016

Springer Theses

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SummaryThis thesis reports on the experimental implementation of a deterministic interaction mechanism between flying optical photons and a single trapped atom. To this end, single rubidium atoms are trapped in a three-dimensional optical lattice at the center of an optical cavity in the strong coupling regime. Full control over the atomic state -its position, its motion, and its electronic state -is achieved with laser beams applied along the resonator and from the side. When faint laser pulses are reflected from the resonator, the combined atom-photon state acquires a state-dependent phase shift. In a first series of experiments, this is employed to nondestructively detect optical photons by measuring the atomic state after the reflection process. In a second series of experiments, quantum bits are encoded in the polarization of the laser pulse and in the Zeeman state of the atom. The state-dependent phase shift then mediates a deterministic universal quantum gate between the atom and one or two successively reflected photons, which is used to generate entangled atom-photon, atom-photon-photon, and photon-photon states out of separable input states.3 4

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Polarization-Controlled Single Photons

Cited by 120 publications

References 17 publications

Invited Review Article: Single-photon sources and detectors

Invited Review Article: Single-photon sources and detectors

EIT-based quantum memory for single photons from cavity-QED

A Controlled Phase Gate Between a Single Atom and an Optical Photon

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