Entanglement and Tunable Spin-Spin Couplings Between Trapped Ions Using Multiple Transverse Modes

Abstract

We demonstrate tunable spin-spin couplings between trapped atomic ions, mediated by laser forces on multiple transverse collective modes of motion. A ${\sigma }_x{\sigma }_x$-type Ising interaction is realized between quantum bits stored in the ground hyperfine clock states of Yb ions. We demonstrate entangling gates and tailor the spin-spin couplings with two and three trapped ions. The use of closely-spaced transverse modes provides a new class of interactions relevant to quantum computing and simulation with large collections of ions in a single crystal.

References in corpus (3)

• Manipulation and Detection of a Trapped Yb+ Ion Hyperfine Qubit
• Trapped ion quantum computation with transverse phonon modes
• Large Scale Quantum Computation in an Anharmonic Linear Ion Trap

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