Standard

High contrast dark resonances in a cold-atom clock probed with counterpropagating circularly polarized beams. / Liu, X.; Yudin, V. I.; Taichenachev, A. V. et al.

In: Applied Physics Letters, Vol. 111, No. 22, 224102, 27.11.2017.

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

Harvard

Liu, X, Yudin, VI, Taichenachev, AV, Kitching, J & Donley, EA 2017, 'High contrast dark resonances in a cold-atom clock probed with counterpropagating circularly polarized beams', Applied Physics Letters, vol. 111, no. 22, 224102. https://doi.org/10.1063/1.5001179

APA

Liu, X., Yudin, V. I., Taichenachev, A. V., Kitching, J., & Donley, E. A. (2017). High contrast dark resonances in a cold-atom clock probed with counterpropagating circularly polarized beams. Applied Physics Letters, 111(22), [224102]. https://doi.org/10.1063/1.5001179

Vancouver

Liu X, Yudin VI, Taichenachev AV, Kitching J, Donley EA. High contrast dark resonances in a cold-atom clock probed with counterpropagating circularly polarized beams. Applied Physics Letters. 2017 Nov 27;111(22):224102. doi: 10.1063/1.5001179

Author

Liu, X. ; Yudin, V. I. ; Taichenachev, A. V. et al. / High contrast dark resonances in a cold-atom clock probed with counterpropagating circularly polarized beams. In: Applied Physics Letters. 2017 ; Vol. 111, No. 22.

BibTeX

@article{0caf77fab29341308b13efa3f4bfd229,
title = "High contrast dark resonances in a cold-atom clock probed with counterpropagating circularly polarized beams",
abstract = "A cold-atom coherent population trapping clock based on σ+-σ- interrogation realized by counter-propagating optical fields of opposite circular polarization is presented. The simultaneous use of σ+ and σ- polarizations prevents atoms from being trapped in the end magnetic sublevels, significantly enhancing the contrast over interrogation with a single circular polarization. Because the system is based on cold atoms and there is very little relaxation, nearly complete dark states are created, and coherent population trapping resonances with maximum contrast are observed. A frequency stability of 1.3×10-11/√τ is achieved, which averages down to 2×10-13 after a 40 000 s integration period.",
keywords = "POPULATION, STABILITY, LINE",
author = "X. Liu and Yudin, {V. I.} and Taichenachev, {A. V.} and J. Kitching and Donley, {E. A.}",
note = "Publisher Copyright: {\textcopyright} 2017 U.S. Government.",
year = "2017",
month = nov,
day = "27",
doi = "10.1063/1.5001179",
language = "English",
volume = "111",
journal = "Applied Physics Letters",
issn = "0003-6951",
publisher = "American Institute of Physics",
number = "22",

}

RIS

TY - JOUR

T1 - High contrast dark resonances in a cold-atom clock probed with counterpropagating circularly polarized beams

AU - Liu, X.

AU - Yudin, V. I.

AU - Taichenachev, A. V.

AU - Kitching, J.

AU - Donley, E. A.

N1 - Publisher Copyright: © 2017 U.S. Government.

PY - 2017/11/27

Y1 - 2017/11/27

N2 - A cold-atom coherent population trapping clock based on σ+-σ- interrogation realized by counter-propagating optical fields of opposite circular polarization is presented. The simultaneous use of σ+ and σ- polarizations prevents atoms from being trapped in the end magnetic sublevels, significantly enhancing the contrast over interrogation with a single circular polarization. Because the system is based on cold atoms and there is very little relaxation, nearly complete dark states are created, and coherent population trapping resonances with maximum contrast are observed. A frequency stability of 1.3×10-11/√τ is achieved, which averages down to 2×10-13 after a 40 000 s integration period.

AB - A cold-atom coherent population trapping clock based on σ+-σ- interrogation realized by counter-propagating optical fields of opposite circular polarization is presented. The simultaneous use of σ+ and σ- polarizations prevents atoms from being trapped in the end magnetic sublevels, significantly enhancing the contrast over interrogation with a single circular polarization. Because the system is based on cold atoms and there is very little relaxation, nearly complete dark states are created, and coherent population trapping resonances with maximum contrast are observed. A frequency stability of 1.3×10-11/√τ is achieved, which averages down to 2×10-13 after a 40 000 s integration period.

KW - POPULATION

KW - STABILITY

KW - LINE

UR - http://www.scopus.com/inward/record.url?scp=85037098038&partnerID=8YFLogxK

U2 - 10.1063/1.5001179

DO - 10.1063/1.5001179

M3 - Article

AN - SCOPUS:85037098038

VL - 111

JO - Applied Physics Letters

JF - Applied Physics Letters

SN - 0003-6951

IS - 22

M1 - 224102

ER -

ID: 8970920