Compact Toffoli gate using weighted graph states

Details Compact Toffoli gate using weighted graph states Compact Toffoli gate using weighted graph states

2008-09-09

arxiv.org/abs/0809.1513v2

Phys. Rev. A 79, 020302(R) (2009)

Physics

Quantum Physics

4 pages, 3 figures, RevTeX4; Accepted version

Scientific paper

10.1103/PhysRevA.79.020302

We introduce three compact graph states that can be used to perform a measurement-based Toffoli gate. Given a weighted graph of six, seven or eight qubits, we show that success probabilities of 1/4, 1/2 and 1 respectively can be achieved. Our study puts a measurement-based version of this important quantum logic gate within the reach of current experiments. As the graphs are setup-independent, they could be realized in a variety of systems, including linear optics and ion-traps.

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