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Entangling Unstable Optically Active Matter Qubits by Matsuzaki, Yuichiro; Benjamin, Simon C.; Fitzsimons, Joseph is a scholarly article available to read on EtoBox.

What is Entangling Unstable Optically Active Matter Qubits about?

In distributed quantum computation, small devices composed of a single or a few qubits are networker together to achieve a scalable machine. Typically there is an optically active matter qubit at each node, so that photons are exploited to achieve remote entanglement. However, in many systems the optically active states are unstable or poorly defined. We report a scheme to perform a high-fidelity entanglement operation even given severe instability. The protocol exploits the existence of optically excited states for phase acquisition without actually exciting those states; it functions with or without cavities and does not require number resolving detectors.

Author

Matsuzaki, Yuichiro; Benjamin, Simon C.; Fitzsimons, Joseph

Published

2010

Language

EN