Abstracts
Poster Abstracts | Talk Abstracts
Novel trap for 2D ion crystal experiments
Presenting Author: Megan Ivory, University of Washington
Contributing Author(s): Alex Kato, Ramya Bhaskar, Ali Hasanzadeh, Boris Blinov
Quantum computation has thus far been limited by number of available qubits. In trapped ions, most computation has been performed in linear Paul traps to avoid micromotion which is thought to lead to low gate fidelities. Recent theoretical work by the Duan group shows that micromotion can be compensated with the use of segmented laser pulses, allowing for fidelities <99.99% in two-dimensional ion crystals of >100 ions. Here, we seek to experimentally demonstrate high-fidelity quantum gates in Ba+ ions in a planar crystal. To do so, we have developed a novel trap system specifically for producing Ba+ crystals. The trap geometry is based on simulations we developed for modeling trapped ion dynamics and equilibrium positions. The electrodes are comprised of a segmented ring which allows us to dynamically tune the transverse trap frequencies to produce both planar and linear traps. We present progress towards the demonstration of large ion crystals of varying trap frequency anisotropies. In addition to high-fidelity quantum gates in planar ion crystals, the system in development can also be used for quantum chemistry simulations and the study of crystalline order, defects, and phase transitions.
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