W. Chen, Beck, K. M., Bücker, R., Gullans, M., Lukin, M. D., Tanji-Suzuki, H., and Vuletic, V.,
“All-Optical Switch and Transistor Gated by One Stored Photon”,
Science, vol. 341, no. 6147, pp. 768 - 770, 2013.
A. V. Gorshkov, Rey, A. Maria, Daley, A. J., Boyd, M. M., Ye, J., Zoller, P., and Lukin, M. D.,
“Alkaline-Earth-Metal Atoms as Few-Qubit Quantum Registers”,
Physical Review Letters, vol. 102, no. 11, 2009.