Implementation of quantum phase gate between two atoms via Rydberg antiblockade and adiabatic passage*

Project supported by the National Natural Science Foundation of China (Grant No. 11464046).

Tan Xi, Wu Jin-Lei, Deng Can, Mao Wei-Jian, Wang Hai-Tao, Ji Xin
       

(color online) (a) Time-dependence of Ω1(t) and Ω2(t). (b) Time-dependence of Ωa(t) and Ωb(t). (c) Time-dependence of θ(t) = arccos[Ωb(t)/Ω(t)]. Parameters used here: tc = 3000/Ω0, T = 0.18tc, τ = 0.12tc, , , and Δ2 = 10Ω0.