Generalized quantum XOR-gate for quantum teleportation and state purification in arbitrary dimensional Hilbert spaces

Details Generalized quantum XOR-gate for quantum teleportation and state purification in arbitrary dimensional Hilbert spaces Generalized quantum XOR-gate for quantum teleportation and state purification in arbitrary dimensional Hilbert spaces

2000-08-03

arxiv.org/abs/quant-ph/0008022v1

Physics

Quantum Physics

Scientific paper

A generalization of the quantum XOR-gate is presented which operates in arbitrary dimensional Hilbert spaces. Together with one-particle Fourier transforms this gate is capable of performing a variety of tasks which are important for quantum information processing in arbitrary dimensional Hilbert spaces. Among these tasks are the preparation of Bell states, quantum teleportation and quantum state purification. A physical realization of this generalized XOR-gate is proposed which is based on non-linear optical elements.

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