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Quantum
Information and Computation
ISSN: 1533-7146
published since 2001
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Vol.3 No.6 November 2003 |
Entanglement
of individual photon and atomic ensembles
(pp627-634)
G.-P. Guo and G.-C. Guo
doi:
https://doi.org/10.26421/QIC3.6-6
Abstracts:
Here we present an experimentally feasible scheme to
entangle flying qubit (individual photon with polarization modes) and
stationary qubit (atomic ensembles with long-lived collective
excitations). This entanglement integrating two different species can
act as a critical element for the coherent transfer of quantum
information between flying and stationary qubits. The entanglement
degree can be also adjusted expediently with linear optics. Furthermore,
the present scheme can be modified to generate this entanglement in a
way event-ready, with the employment of a pair of entangled photons. And
then successful preparation can be unambiguously heralded by coincident
between two single-photon detectors. Its application for individual
photons quantum memory is also analyzed. The physical requirements of
all those preparation and applications processing are moderate, and well
fit the present technique.
Key words:
entanglement, atomic ensembles |
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