Fast atom-photon entangling gates with a superconducting coplanar waveguide
Xiao-Feng Shi
DOI 10.1103/PhysRevA.105.042401 · Physical Review A
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Abstract
Entanglement between atoms and microwave photons in a superconducting coplanar waveguide (SCW) can enable hybrid quantum devices and interface static and flying qubits. We study a one-step controlled-Z(cz) gate between a neutral atom trapped near a SCW and a microwave mode in the SCW, which is an extension of the gate proposed in J. D. Pritchard et al., Phys. Rev. A 89, 010301(R) (2014). The gate protocol is simple and requires one laser pulse for exciting a transition between the ground and Rydberg states of the neutral atom.
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