Quantum computation with doped silicon cavities

Details Quantum computation with doped silicon cavities Quantum computation with doped silicon cavities

2008-11-24

arxiv.org/abs/0811.3865v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

We propose a quantum computer architecture involving substitutional donors in photonic-crystal silicon cavities and the optical initialization, manipulation, and detection processes already demonstrated in ion traps and other atomic systems. Our scheme considerably simplifies the implementation of the building blocks for the successful operation of silicon-based solid-state quantum computers, including positioning of the donors, realization of one- and two-qubit gates, initialization and readout of the qubits. Detailed consideration of the processes involved, using state-of-the-art values for the relevant parameters, indicates that this architecture might lead to errors per gate compatible with scalable quantum computation.

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