Simple Scheme for Efficient Linear Optics Quantum Gates
T. C. Ralph, A. G. White, W. J. Munro, G. J. Milburn
Abstract
We describe the construction of a conditional quantum control-not (CNOT) gate from linear optical elements following the program of Knill, Laflamme and Milburn [Nature 409, 46 (2001)]. We show that the basic operation of this gate can be tested using current technology. We then simplify the scheme significantly.
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