Simple scheme for expanding photonic cluster states for quantum information

P. Kalasuwan, G. Mendoza, A. Laing, T. Nagata, J. Coggins, M. Callaway, S. Takeuchi, A. Stefanov, and J. L. O’Brien* Centre for Quantum Photonics, H. H. Wills Physics Laboratory & Department of Electrical and Electronic Engineering, University of Bristol, Merchant Venturers Building, Woodland Road, Bristol, BS8 1UB, UK California Institute of Technology, Pasadena, California 91125, USA Research Institute for Electronic Science, Hokkaido University, Sapporo 060-0812, Japan The Institute of Scientific and Industrial Research, Osaka University, Mihogaoka 8-1, Ibaraki, Osaka 567-0047, Japan Federal Office of Metrology METAS, Laboratory Time and Frequency, Lindenweg 50, 3084 Wabern, Switzerland *Corresponding author: [email protected]