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Coherence of an entangled exciton-photon state.
We study the effect of the exciton fine-structure splitting on the polarization entanglement of photon pairs produced by the biexciton cascade in a quantum dot. Entanglement persists despiteExpand
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Electrically driven telecommunication wavelength single-photon source
An electrically driven ∼1.3μm single-photon source is demonstrated. The source contains InAs quantum dots within a planar cavity light-emitting diode. Electroluminescence (EL) spectra show clearExpand
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High Precision Determination of the β Decay Q(EC) Value of (11)C and Implications on the Tests of the Standard Model.
We report the determination of the Q(EC) value of the mirror transition of (11)C by measuring the atomic masses of (11)C and (11)B using Penning trap mass spectrometry. More than an order ofExpand
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Microcavity single-photon-emitting diode
We show that a planar semiconductor cavity can be used to enhance by a factor of ten the efficiency with which photons are collected from an electrically driven single In As ∕ Ga As quantum dot.Expand
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Electrical control of the uncertainty in the time of single photon emission events
We report that with appropriate voltage biasing it is possible to reduce the uncertainty in the time at which photons are emitted from a single quantum dot by an arbitrary factor. Using a resonantExpand
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Low-noise photon counting with a radio-frequency quantum-dot field-effect transistor
We present photon counting experiments with a single-photon detector based on a field-effect transistor gated by a layer of InAs quantum dots. A cryogenic radio-frequency amplifier is used to convertExpand
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First charge breeding of a rare-isotope beam with the electron-beam ion trap of the ReA post-accelerator at the National Superconducting Cyclotron Laboratory.
An electron-beam ion trap (EBIT) charge breeder is being brought into operation at the National Superconducting Cyclotron Laboratory at Michigan State University. The EBIT is part of the ReAExpand
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Novel technique for constraining r-process (n, γ) reaction rates.
A novel technique has been developed, which will open exciting new opportunities for studying the very neutron-rich nuclei involved in the r process. As a proof of principle, the γ spectra from the βExpand
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Quantum dots as single-photon sources for quantum information processing
Semiconductor pillar microcavities containing quantum dots have shown promise as efficient sources of single and correlated pairs of photons, which may find applications in quantum informationExpand
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Optically induced bistability in the mobility of a two-dimensional electron gas coupled to a layer of quantum dots
We report a bistability in the resistance of a GaAs/AlGaAs modulation doped field effect transistor in which a layer of InAs self-organized quantum dots has been grown near the electron channel.Expand
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