AlbaNova Universitetscentrum , Stockholm . January 16: Elisabeth Kontomanou at Fasching , Stockholm . January 18-22: Ph. D. course (see also this link ) in Granada . January 19: "Experimental realization of a controlled-NOT gate with four-photon six-qubit cluster states", in collaboration with Wei-Bo Gao , Ping Xu, Xing-Can Yao, Otfried