Quantum storage in rare-earth-doped crystals for secure networks

O. Guillot-Noël; Ph Goldner; E. Antic-Fidancev; A. Louchet; J. L. Le Gouët; F. Bretenaker; I. Lorgeré

doi:10.1016/j.jlumin.2006.01.179

Quantum storage in rare-earth-doped crystals for secure networks

O. Guillot-Noël
, Ph Goldner
, E. Antic-Fidancev
, A. Louchet
, J. L. Le Gouët
, F. Bretenaker
, I. Lorgeré

Research output: Contribution to journal › Article › peer-review

Abstract

Quantum storage of photons in an atomic ensemble can be obtained by using three-level Λ systems. In these systems, two levels are coupled by optical transitions to a third one. Rare-earth ion-doped crystals are attractive materials for quantum storage because their hyperfine levels can have coherence lifetimes longer than 100 μs and thus can be used to build Λ systems. Tm³⁺ ions are especially interesting since they can be excited by ultra-stable laser diodes. The influence of an external magnetic field has been studied in order to obtain an efficient three-level Λ system with the hyperfine levels of the rare earth. The particular case of the Tm³⁺ ion in the Y₃Al₅O₁₂ host is discussed.

Original language	English
Pages (from-to)	526-528
Number of pages	3
Journal	Journal of Luminescence
Volume	122-123
Issue number	1-2
DOIs	https://doi.org/10.1016/j.jlumin.2006.01.179
Publication status	Published - 1 Jan 2007
Externally published	Yes

Keywords

Quantum storage
Rare-earth ion-doped crystals
Three-level Λ systems

Access to Document

10.1016/j.jlumin.2006.01.179

Cite this

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title = "Quantum storage in rare-earth-doped crystals for secure networks",

abstract = "Quantum storage of photons in an atomic ensemble can be obtained by using three-level Λ systems. In these systems, two levels are coupled by optical transitions to a third one. Rare-earth ion-doped crystals are attractive materials for quantum storage because their hyperfine levels can have coherence lifetimes longer than 100 μs and thus can be used to build Λ systems. Tm3+ ions are especially interesting since they can be excited by ultra-stable laser diodes. The influence of an external magnetic field has been studied in order to obtain an efficient three-level Λ system with the hyperfine levels of the rare earth. The particular case of the Tm3+ ion in the Y3Al5O12 host is discussed.",

keywords = "Quantum storage, Rare-earth ion-doped crystals, Three-level Λ systems",

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doi = "10.1016/j.jlumin.2006.01.179",

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TY - JOUR

T1 - Quantum storage in rare-earth-doped crystals for secure networks

AU - Guillot-Noël, O.

AU - Goldner, Ph

AU - Antic-Fidancev, E.

AU - Louchet, A.

AU - Le Gouët, J. L.

AU - Bretenaker, F.

AU - Lorgeré, I.

PY - 2007/1/1

Y1 - 2007/1/1

N2 - Quantum storage of photons in an atomic ensemble can be obtained by using three-level Λ systems. In these systems, two levels are coupled by optical transitions to a third one. Rare-earth ion-doped crystals are attractive materials for quantum storage because their hyperfine levels can have coherence lifetimes longer than 100 μs and thus can be used to build Λ systems. Tm3+ ions are especially interesting since they can be excited by ultra-stable laser diodes. The influence of an external magnetic field has been studied in order to obtain an efficient three-level Λ system with the hyperfine levels of the rare earth. The particular case of the Tm3+ ion in the Y3Al5O12 host is discussed.

AB - Quantum storage of photons in an atomic ensemble can be obtained by using three-level Λ systems. In these systems, two levels are coupled by optical transitions to a third one. Rare-earth ion-doped crystals are attractive materials for quantum storage because their hyperfine levels can have coherence lifetimes longer than 100 μs and thus can be used to build Λ systems. Tm3+ ions are especially interesting since they can be excited by ultra-stable laser diodes. The influence of an external magnetic field has been studied in order to obtain an efficient three-level Λ system with the hyperfine levels of the rare earth. The particular case of the Tm3+ ion in the Y3Al5O12 host is discussed.

KW - Quantum storage

KW - Rare-earth ion-doped crystals

KW - Three-level Λ systems

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DO - 10.1016/j.jlumin.2006.01.179

M3 - Article

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EP - 528

JO - Journal of Luminescence

JF - Journal of Luminescence

IS - 1-2

ER -

Quantum storage in rare-earth-doped crystals for secure networks

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Keywords

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