We propose a scheme for the construction of a CNOT gate by adiabatic passage in an optical cavity. In opposition to a previously proposed method, the technique is not based on fractional adiabatic passage, which requires the control of the ratio of two pulse amplitudes. Moreover, the technique constitutes a decoherence-free method in the sense that spontaneous emission and cavity damping are avoided since the dynamics follows dark states.
Cite
@article{arxiv.quant-ph/0509187,
title = {CNOT gate by adiabatic passage with an optical cavity},
author = {N. Sangouard and X. Lacour and S. Guerin and H. R. Jauslin},
journal= {arXiv preprint arXiv:quant-ph/0509187},
year = {2009}
}