%0 Journal Article %T Optical implementation of quantum random walks using weak cross-Kerr media %A Chuan Wang %A YanSong Li %A Liang Hao %J Chinese Science Bulletin %@ 1861-9541 %D 2011 %I %R 10.1007/s11434-011-4545-5 %X Weak cross-Kerr media provides additional degrees of freedom of qubits in quantum information processing. In this paper, by exploiting weak cross-Kerr nonlinearity, we propose an optical implementation scheme of one-dimensional quantum random walks. The random walks are described by the interaction of single photons with cross-Kerr media. The proposed scheme can also be used to implement one-dimensional quantum random walks on an infinite line. %K quantum random walks %K cross-Kerr media %U http://link.springer.com/article/10.1007/s11434-011-4545-5