We analyze a system of fermionic 6Li atoms in an optical trap, and show that an atom "on demand" can be prepared with ultra-high fidelity, exceeding 0.99998. This process can be scaled to many sites in parallel, providing a realistic method to initialize N qubits at ultra-high fidelity for quantum computing. We also show how efficient quantum gate operation can be implemented in this system, and how spatially resolved single-atom detection can be performed.
@article{arxiv.0906.2114,
title = {Ultra-high fidelity qubits for quantum computing},
author = {Mark G. Raizen and Shou-Pu Wan and Chuanwei Zhang and Qian Niu},
journal= {arXiv preprint arXiv:0906.2114},
year = {2015}
}