Optical storage for 0.53 seconds in a solid-state atomic frequency comb memory using dynamical decoupling

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Optical storage for 0.53 seconds in a solid-state atomic frequency comb memory using dynamical decoupling. / Holzäpfel, Adrian; Etesse, Jean; Kaczmarek, Krzysztof T.; Tiranov, Alexey; Gisin, Nicolas; Afzelius, Mikael.

In: New J. Phys., 17.10.2019.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Holzäpfel, A, Etesse, J, Kaczmarek, KT, Tiranov, A, Gisin, N & Afzelius, M 2019, 'Optical storage for 0.53 seconds in a solid-state atomic frequency comb memory using dynamical decoupling', New J. Phys.. https://doi.org/10.1088/1367-2630/ab8aac

APA

Holzäpfel, A., Etesse, J., Kaczmarek, K. T., Tiranov, A., Gisin, N., & Afzelius, M. (2019). Optical storage for 0.53 seconds in a solid-state atomic frequency comb memory using dynamical decoupling. New J. Phys.. https://doi.org/10.1088/1367-2630/ab8aac

Vancouver

Holzäpfel A, Etesse J, Kaczmarek KT, Tiranov A, Gisin N, Afzelius M. Optical storage for 0.53 seconds in a solid-state atomic frequency comb memory using dynamical decoupling. New J. Phys. 2019 Oct 17. https://doi.org/10.1088/1367-2630/ab8aac

Author

Holzäpfel, Adrian ; Etesse, Jean ; Kaczmarek, Krzysztof T. ; Tiranov, Alexey ; Gisin, Nicolas ; Afzelius, Mikael. / Optical storage for 0.53 seconds in a solid-state atomic frequency comb memory using dynamical decoupling. In: New J. Phys. 2019.

Bibtex

@article{67ace22f723440929701aaba5300dcf4,
title = "Optical storage for 0.53 seconds in a solid-state atomic frequency comb memory using dynamical decoupling",
abstract = " Quantum memories with long storage times are key elements in long-distance quantum networks. The atomic frequency comb (AFC) memory in particular has shown great promise to fulfill this role, having demonstrated multimode capacity and spin-photon quantum correlations. However, the memory storage times have so-far been limited to about one millisecond, realized in a Eu${}^{3+}$ doped Y${}_2$SiO${}_5$ crystal at zero applied magnetic field. Motivated by studies showing increased spin coherence times under applied magnetic field, we developed a AFC spin-wave memory utilizing a weak 15 mT magnetic field in a specific direction that allows efficient optical and spin manipulation for AFC memory operations. With this field configuration the AFC spin-wave storage time increased to 40 ms using a simple spin-echo sequence. Furthermore, by applying dynamical decoupling techniques the spin-wave coherence time reaches 530 ms, a 300-fold increase with respect to previous AFC spin-wave storage experiments. This result paves the way towards long duration storage of quantum information in solid-state ensemble memories. ",
keywords = "quant-ph",
author = "Adrian Holz{\"a}pfel and Jean Etesse and Kaczmarek, {Krzysztof T.} and Alexey Tiranov and Nicolas Gisin and Mikael Afzelius",
year = "2019",
month = oct,
day = "17",
doi = "10.1088/1367-2630/ab8aac",
language = "English",
journal = "New J. Phys.",

}

RIS

TY - JOUR

T1 - Optical storage for 0.53 seconds in a solid-state atomic frequency comb memory using dynamical decoupling

AU - Holzäpfel, Adrian

AU - Etesse, Jean

AU - Kaczmarek, Krzysztof T.

AU - Tiranov, Alexey

AU - Gisin, Nicolas

AU - Afzelius, Mikael

PY - 2019/10/17

Y1 - 2019/10/17

N2 - Quantum memories with long storage times are key elements in long-distance quantum networks. The atomic frequency comb (AFC) memory in particular has shown great promise to fulfill this role, having demonstrated multimode capacity and spin-photon quantum correlations. However, the memory storage times have so-far been limited to about one millisecond, realized in a Eu${}^{3+}$ doped Y${}_2$SiO${}_5$ crystal at zero applied magnetic field. Motivated by studies showing increased spin coherence times under applied magnetic field, we developed a AFC spin-wave memory utilizing a weak 15 mT magnetic field in a specific direction that allows efficient optical and spin manipulation for AFC memory operations. With this field configuration the AFC spin-wave storage time increased to 40 ms using a simple spin-echo sequence. Furthermore, by applying dynamical decoupling techniques the spin-wave coherence time reaches 530 ms, a 300-fold increase with respect to previous AFC spin-wave storage experiments. This result paves the way towards long duration storage of quantum information in solid-state ensemble memories.

AB - Quantum memories with long storage times are key elements in long-distance quantum networks. The atomic frequency comb (AFC) memory in particular has shown great promise to fulfill this role, having demonstrated multimode capacity and spin-photon quantum correlations. However, the memory storage times have so-far been limited to about one millisecond, realized in a Eu${}^{3+}$ doped Y${}_2$SiO${}_5$ crystal at zero applied magnetic field. Motivated by studies showing increased spin coherence times under applied magnetic field, we developed a AFC spin-wave memory utilizing a weak 15 mT magnetic field in a specific direction that allows efficient optical and spin manipulation for AFC memory operations. With this field configuration the AFC spin-wave storage time increased to 40 ms using a simple spin-echo sequence. Furthermore, by applying dynamical decoupling techniques the spin-wave coherence time reaches 530 ms, a 300-fold increase with respect to previous AFC spin-wave storage experiments. This result paves the way towards long duration storage of quantum information in solid-state ensemble memories.

KW - quant-ph

U2 - 10.1088/1367-2630/ab8aac

DO - 10.1088/1367-2630/ab8aac

M3 - Journal article

JO - New J. Phys.

JF - New J. Phys.

ER -

ID: 313514785