Coherence Protection of Electron Spin in Earth-field Range by All-optical Dynamic Decoupling
Peiyu Yang,
Guzhi Bao,
L. Q. Chen
et al.
Abstract:In recent years, unshielded atomic systems have been attracting researchers' attention, in which decoherence is one of the major problems, especially for high precision measurements. The nonlinear Zeeman effect and magnetic field gradient are the main decoherence sources of atomic electron spin in Earth-field range. Here, we propose a method to cancel out the two dominant broadening effects simultaneously by an all-optical dynamic decoupling approach based on Raman scattering in the 87 Rb Zeeman sublevels. By … Show more
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