Ultracompact Generation of Continuous-Variable Cluster States

Details Ultracompact Generation of Continuous-Variable Cluster States Ultracompact Generation of Continuous-Variable Cluster States

2007-03-13

arxiv.org/abs/quant-ph/0703096v2

Phys. Rev. A 76, 010302(R) (2007)

Physics

Quantum Physics

4 pages, 1 figure; v2 improved discussion of the implications of our result; added discussion of finite squeezing effects

Scientific paper

10.1103/PhysRevA.76.010302

We propose an experimental scheme that has the potential for large-scale realization of continuous-variable (CV) cluster states for universal quantum computation. We do this by mapping CV cluster-state graphs onto two-mode squeezing graphs, which can be engineered into a single optical parametric oscillator (OPO). The desired CV cluster state is produced directly from a joint squeezing operation on the vacuum using a multi-frequency pump beam. This method has potential for ultracompact experimental implementation. As an illustration, we detail an experimental proposal for creating a four-mode square CV cluster state with a single OPO.

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