Development of co-located ${}^{129}$Xe and ${}^{131}$Xe nuclear spin masers with external feedback scheme

T. Sato; Y. Ichikawa; S. Kojima; C. Funayama; S. Tanaka; T. Inoue; A. Uchiyama; A. Gladkov; A. Takamine; Y. Sakamoto; Y. Ohtomo; C. Hirao; M. Chikamori; E. Hikota; T. Suzuki; M. Tsuchiya; T. Furukawa; A. Yoshimi; C. P. Bidinosti; T. Ino; H. Ueno; Y. Matsuo; T. Fukuyama; N. Yoshinaga; Y. Sakemi; K. Asahi

doi:10.1016/j.physleta.2017.12.003

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arXiv · 1803.06821

Development of co-located ${}^{129}$Xe and ${}^{131}$Xe nuclear spin masers with external feedback scheme

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Abstract

We report on the operation of co-located ${}^{129}$Xe and ${}^{131}$Xe nuclear spin masers with an external feedback scheme, and discuss the use of ${}^{131}$Xe as a comagnetometer in measurements of the ${}^{129}$Xe spin precession frequency. By applying a correction based on the observed change in the ${}^{131}$Xe frequency, the frequency instability due to magnetic field and cell temperature drifts are eliminated by two orders of magnitude. The frequency precision of 6.2 $μ$Hz is obtained for a 10$^4$ s averaging time, suggesting the possibility of future improvement to $\approx$ 1 nHz by improving the signal-to-noise ratio of the observation.

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T. Sato, Y. Ichikawa, S. Kojima, C. Funayama, S. Tanaka, T. Inoue, A. Uchiyama, A. Gladkov, A. Takamine, Y. Sakamoto, Y. Ohtomo, C. Hirao, M. Chikamori, E. Hikota, T. Suzuki, M. Tsuchiya, T. Furukawa, A. Yoshimi, C. P. Bidinosti, T. Ino, H. Ueno, Y. Matsuo, T. Fukuyama, N. Yoshinaga, Y. Sakemi, K. Asahi. 2018-03-19. Development of co-located ${}^{129}$Xe and ${}^{131}$Xe nuclear spin masers with external feedback scheme. https://doi.org/10.1016/j.physleta.2017.12.003

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