Quantum noise for Faraday light–matter interfaces

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Standard

Quantum noise for Faraday light–matter interfaces. / Vasliyev, D.V.; Hammerer, K.; Korolev, N.; Sørensen, Anders Søndberg.

I: Journal of Physics B: Atomic, Molecular and Optical Physics, Bind 45, Nr. 12, 08.06.2012, s. 124007.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningfagfællebedømt

Harvard

Vasliyev, DV, Hammerer, K, Korolev, N & Sørensen, AS 2012, 'Quantum noise for Faraday light–matter interfaces', Journal of Physics B: Atomic, Molecular and Optical Physics, bind 45, nr. 12, s. 124007. https://doi.org/10.1088/0953-4075/45/12/124007

APA

Vasliyev, D. V., Hammerer, K., Korolev, N., & Sørensen, A. S. (2012). Quantum noise for Faraday light–matter interfaces. Journal of Physics B: Atomic, Molecular and Optical Physics, 45(12), 124007. https://doi.org/10.1088/0953-4075/45/12/124007

Vancouver

Vasliyev DV, Hammerer K, Korolev N, Sørensen AS. Quantum noise for Faraday light–matter interfaces. Journal of Physics B: Atomic, Molecular and Optical Physics. 2012 jun 8;45(12):124007. https://doi.org/10.1088/0953-4075/45/12/124007

Author

Vasliyev, D.V. ; Hammerer, K. ; Korolev, N. ; Sørensen, Anders Søndberg. / Quantum noise for Faraday light–matter interfaces. I: Journal of Physics B: Atomic, Molecular and Optical Physics. 2012 ; Bind 45, Nr. 12. s. 124007.

Bibtex

@article{e951f7c61d584a2ca2736c0dae82122e,
title = "Quantum noise for Faraday light–matter interfaces",
abstract = "In light–matter interfaces based on the Faraday effect, quite a number of quantum information protocols have been successfully demonstrated. In order to further increase the performance and fidelities achieved in these protocols, a deeper understanding of the relevant noise and decoherence processes needs to be gained. In this paper, we provide for the first time a complete description of the decoherence from spontaneous emission. We derive from first principles the effects of photons being spontaneously emitted into unobserved modes. Our results relate the resulting decay and noise terms in effective equations of motion for collective atomic spins and the forward-propagating light modes to the full atomic level structure. We illustrate and apply our results to the case of a quantum memory protocol. Our results can be applied to any alkali atoms, and the general approach taken in this paper can be applied to light–matter interfaces and quantum memories based on different mechanisms.",
author = "D.V. Vasliyev and K. Hammerer and N. Korolev and S{\o}rensen, {Anders S{\o}ndberg}",
year = "2012",
month = "6",
day = "8",
doi = "10.1088/0953-4075/45/12/124007",
language = "English",
volume = "45",
pages = "124007",
journal = "Journal of Physics B: Atomic, Molecular and Optical Physics",
issn = "0953-4075",
publisher = "Institute of Physics Publishing Ltd",
number = "12",

}

RIS

TY - JOUR

T1 - Quantum noise for Faraday light–matter interfaces

AU - Vasliyev, D.V.

AU - Hammerer, K.

AU - Korolev, N.

AU - Sørensen, Anders Søndberg

PY - 2012/6/8

Y1 - 2012/6/8

N2 - In light–matter interfaces based on the Faraday effect, quite a number of quantum information protocols have been successfully demonstrated. In order to further increase the performance and fidelities achieved in these protocols, a deeper understanding of the relevant noise and decoherence processes needs to be gained. In this paper, we provide for the first time a complete description of the decoherence from spontaneous emission. We derive from first principles the effects of photons being spontaneously emitted into unobserved modes. Our results relate the resulting decay and noise terms in effective equations of motion for collective atomic spins and the forward-propagating light modes to the full atomic level structure. We illustrate and apply our results to the case of a quantum memory protocol. Our results can be applied to any alkali atoms, and the general approach taken in this paper can be applied to light–matter interfaces and quantum memories based on different mechanisms.

AB - In light–matter interfaces based on the Faraday effect, quite a number of quantum information protocols have been successfully demonstrated. In order to further increase the performance and fidelities achieved in these protocols, a deeper understanding of the relevant noise and decoherence processes needs to be gained. In this paper, we provide for the first time a complete description of the decoherence from spontaneous emission. We derive from first principles the effects of photons being spontaneously emitted into unobserved modes. Our results relate the resulting decay and noise terms in effective equations of motion for collective atomic spins and the forward-propagating light modes to the full atomic level structure. We illustrate and apply our results to the case of a quantum memory protocol. Our results can be applied to any alkali atoms, and the general approach taken in this paper can be applied to light–matter interfaces and quantum memories based on different mechanisms.

U2 - 10.1088/0953-4075/45/12/124007

DO - 10.1088/0953-4075/45/12/124007

M3 - Journal article

VL - 45

SP - 124007

JO - Journal of Physics B: Atomic, Molecular and Optical Physics

JF - Journal of Physics B: Atomic, Molecular and Optical Physics

SN - 0953-4075

IS - 12

ER -

ID: 38256334