Quantum circuit and quantum computer

Details Quantum circuit and quantum computer Quantum circuit and quantum computer

G - Physics

06

E

G06E 1/00 (2006.01) G06N 99/00 (2010.01) G02F 3/00 (2006.01) G06F 17/14 (2006.01)

Patent

CA 2496894

A quantum circuit and a quantum computer capable of performing the multi-bit quantum computation. Control unitary conversion is realized by indicating the quantum bit by the optical polarization direction, successively inputting the polarized optical pulse row indicating the row of the quantum bit, and determining the magnitude of the polarizing rotation and the phase difference functioning on a certain optical pulse according to the measurement result of the polarization of the previously input optical pulse row. The effect of errors is reduced by setting the number of photons included in one pulse to be larger than 1 in the optical pulse indicating the quantum bit.

L'invention concerne un circuit quantique et un ordinateur quantique pouvant effectuer un calcul quantique à bits multiples. Une conversion unitaire est effectuée par indication du bit quantique par la direction de polarisation optique, par entrée successive de la ligne d'impulsion optique polarisée indiquant la ligne du bit quantique, et par détermination de l'ampleur de la rotation de polarisation et la différence de phase fonctionnant sur une certaine impulsion optique en fonction du résultat de mesure de la polarisation de la ligne d'impulsion optique entrée précédemment. L'effet des erreurs est réduit par détermination du nombre de photons contenus dans une impulsion à plus de 1 dans l'impulsion optique indiquant le bit quantique.

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