Effect of the buffer gases on the light shift suppression possibility | Zendy

M. I. Vaskovskaya | Zendy; E. A. Tsygankov | Zendy; D. S. Chuchelov | Zendy; S. A. Zibrov | Zendy; V. V. Vassiliev | Zendy; V. L. Velichansky | Zendy

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Effect of the buffer gases on the light shift suppression possibility

Author(s) -

M. I. Vaskovskaya,

E. A. Tsygankov,

D. S. Chuchelov,

S. A. Zibrov,

V. V. Vassiliev,

V. L. Velichansky

Publication year - 2019

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.27.035856

Subject(s) - buffer gas , optics , slow light , modulation (music) , electromagnetically induced transparency , population , radio frequency , trapping , resonance (particle physics) , atomic physics , materials science , relaxation (psychology) , physics , gas pressure , frequency modulation , radiation pressure , telecommunications , laser , acoustics , petroleum engineering , engineering , psychology , ecology , social psychology , demography , photonic crystal , sociology , computer science , biology

We theoretically and experimentally demonstrate that the light shift of the coherent population trapping resonance frequency depends on the buffer gases pressure. The light shift suppression becomes impossible when a certain value of the buffer gases pressure is exceeded. We estimate the minimal dimensions of an atomic cell at which the zero light shift and the lowest ground-state relaxation rate can be achieved simultaneously. A new technique of the light shift cancellation by means of a feedback utilizing the RF power modulation is proposed.

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