Generation of spin-motion entanglement in a trapped ion using long-wavelength radiation

Abstract

Applying a magnetic field gradient to a trapped ion allows long-wavelength microwave radiation to produce a mechanical force on the ion's motion when internal transitions are driven. We demonstrate such a coupling using a single trapped \Yb{171}~ion, and use it to produce entanglement between the spin and motional state, an essential step towards using such a field gradient to implement multi-qubit operations.

5 pages

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• Robust Two-Qubit Gates Using Pulsed Dynamical Decoupling
• Entangling gates for trapped-ion quantum computation and quantum simulation
• Quantum entanglement generation on magnons assisted with microwave cavities coupled to a superconducting qubit
• Novel permanent magnet array geometries for scalable trapped-ion quantum computing in a laser-free entanglement architecture