InterJournal Complex Systems, 78
Status: Accepted
Manuscript Number: [78]
Submission Date: 963011
A simple quantum computer: experimental realization of the Deutsch Jozsa algorithm with linear optics
Author(s): S Takeuchi

Subject(s): CX.09

Category: Brief Article


We propose the simple model of a quantum computer for a Deutsch Jozsa problem. Our system consists of unitary operators constructed of optical beam splitters and mirrors. Compared to the switching devices used in other proposed systems, the loss and decoherence of photons caused by the linear optical devices are so small that quantum coherence can be easily maintained. We showed that the proposed system explicitly performs the Deutsch Jozsa problem with 2N=4, and it can also be expanded to the case where 2N=2^k for an arbitrary k.

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