Scalable quantum computing in diamond

Philip Hemmer; Jerog Wrachtrup; Fedor Jelezko; Philippe Tamarat; Steven Prawer; Mikhail Lukin

doi:10.1117/12.716388

8 February 2007 Scalable quantum computing in diamond

Philip Hemmer, Jerog Wrachtrup, Fedor Jelezko, Philippe Tamarat, Steven Prawer, Mikhail Lukin

Author Affiliations +

Proceedings Volume 6482, Advanced Optical and Quantum Memories and Computing IV; 648206 (2007) https://doi.org/10.1117/12.716388
Event: Integrated Optoelectronic Devices 2007, 2007, San Jose, California, United States

Abstract

Recent progress toward the development of scalable quantum computers based on nitrogen-vacancy (NV) color centers in diamond will be described. Scaling is accomplished through the long-range entanglement of few-qubit processing nodes using photons. Local operations within each processing node will be accomplished using electronically switchable dipole-dipole interactions. Significant progress has been made in the control of the optical transitions, enabling us to reach the level required to attempt long-range entanglement. In the meantime, long-term storage and two-qubit operations have been demonstrated using magnetic dipole-dipole coupling to proximal spins that are not nearest neighbors. Significantly, all the processing node demonstration were been done at room temperature where spin lifetimes were found to be exceptionally long.

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Philip Hemmer, Jerog Wrachtrup, Fedor Jelezko, Philippe Tamarat, Steven Prawer, and Mikhail Lukin "Scalable quantum computing in diamond", Proc. SPIE 6482, Advanced Optical and Quantum Memories and Computing IV, 648206 (8 February 2007); https://doi.org/10.1117/12.716388

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