Open AccessRealization of quantum fredkin gate in optics
Author(s) -
Lin Qi
Publication year - 2009
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.58.5983
Subject(s) - physics , controlled not gate , realization (probability) , coherent states , photon , quantum optics , quantum gate , detector , quantum mechanics , computer science , quantum , quantum computer , optics , mathematics , statistics
In this article, an experimental scheme of quantum Fredkin gate is proposed. This scheme is based on the cross-Kerr effect between the photons and the ancillary coherent state. Only one coherent state is required, while the single photon detector and the coincidence measurement are not required, so this Fredkin gate is scalable. In addition, this is a nearly deterministic gate with the success probability 1/133, and it is feasible with the current experimental technology in optics.