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Hannover 2013 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 19: Quantum information: Quantum computers

Q 19.5: Talk

Monday, March 18, 2013, 17:45–18:00, E 214

Selfassembling hybrid diamond-biological quantum devices — •Andreas Albrecht1, Alex Retzker2, Guy Koplovitz3, Fedor Jelezko4, Shira Yochelis3, Yuval Nevo5, Oded Shoseyov5, Yossi Paltiel3, and Martin B Plenio11Institut für Theoretische Physik, Universität Ulm, Germany — 2Racah Institute of Physics, The Hebrew University of Jerusalem, Israel — 3Department of Applied Physics, The Hebrew University of Jerusalem, Israel — 4Institut für Quantenoptik, Universität Ulm, Germany — 5The Robert H. Smith Institute of Plant Sciences and Genetics in Agriculture, The Hebrew University of Jerusalem, Israel

Scalable arrangements of nitrogen vacancy centers (NV) in diamond remain an open key challenge on the way to efficient quantum information processing, quantum simulation and magnetic sensing applications at the quantum limit. Here we provide a solution for creating a scalable system of individually addressable NV centers based on the self-assembling capabilities of biological systems in combination with the bridging of the bio-nano interface by means of surface functionalized nanodiamonds. We provide a detailed theoretical analysis on the feasibility of multiqubit quantum operations in such systems, exploiting the significant dipolar coupling on the nanometer scale and address the problems of decoherence, imperfect couplings and the randomness of the NV symmetry axes. We show that this allows for the high-fidelity creation of entanglement, cluster states and quantum simulation applications. In addition we present the first experimental demonstration of connecting nanodiamonds with biological systems (SP1 complexes).

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