Deterministic linear optics quantum computation utilizing linked photon circuits

Details Deterministic linear optics quantum computation utilizing linked photon circuits Deterministic linear optics quantum computation utilizing linked photon circuits

2003-03-03

arxiv.org/abs/quant-ph/0303008v2

Phys. Rev. Lett. 91, 037903 (2003).

Physics

Quantum Physics

4 pages, 5 figures, momory requirements shortly discussed, minor corrections

Scientific paper

10.1103/PhysRevLett.91.037903

We suggest an efficient scheme for quantum computation with linear optical elements utilizing "linked" photon states. The linked states are designed according to the particular quantum circuit one wishes to process. Once a linked-state has been successfully prepared, the computation is pursued deterministically by a sequence of teleportation steps. The present scheme enables a significant reduction of the average number of elementary gates per logical gate to about 20-30 CZ_{9/16} gates.

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