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The Molecule Chip: An All-Electrical Interface for Isolated Quantum Particles D. DeMille and R.J. Schoelkopf; Yale University Center for Quantum Information Physics, ITR/DMR-0325580.

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  1. The Molecule Chip: An All-Electrical Interface for Isolated Quantum Particles D. DeMille and R.J. Schoelkopf; Yale University Center for Quantum Information Physics, ITR/DMR-0325580 Artist’s conception of a proposed new device, the “molecule chip”. Microfabricated electrical traces, with appropriate applied voltages, can be used to trap polar molecules just above the surface of a chip. The trapping sites are located within the electrodes of a superconducting microwave stripline resonator. With this system, it is possible to achieve a strong, quantum-mechanically coherent coupling between molecules and microwave photons. This coupling will enable an unprecedented level of control over quantum information, by encoding into the internal states of the molecules.

  2. The Molecule Chip: An All-Electrical Interface for Isolated Quantum Particles D. DeMille and R.J. Schoelkopf; Yale University Center for Quantum Information Physics, ITR/DMR-0325580 Education: This new vision of the architecture for large-scale quantum computation grew out of the cross-disciplinary work in the Yale Center for Quantum Information Physics (CQuIP). CQuIP has supported the research education of 18 Ph.D. students, 10 undergrads, and 8 postdocs. The initial experimental imple-mentation of the molecule chip work is being carried out by graduate students Jerry Chow and Amar Vutha. Publications: ‘A Coherent All-Electrical Interface Between Polar Molecules and Mesoscopic Super-conducting Resonators,’ A. Andre, D. DeMille, J.M. Doyle, M.D. Lukin, S.E. Maxwell, P. Rabl, R.J. Schoelkopf, and P.Zoller, Nature Physics2 636 (2006). ‘Hybrid Quantum Processors: Molecular Ensembles as Quantum Memory for Solid State Circuits,’ P. Rabl, D. DeMille, J.M. Doyle, M.D. Lukin, R.J. Schoelkopf, and P. Zoller, Phys. Rev. Lett.97, 033003 (2006). Impact: This represents a new and potentially powerful vision for harnessing the power of quantum information. It combines the best aspects of atomic physics techniques (perfectly reproducible quantum bits and long information storage times) and solid state techniques (transparent scaling to large numbers of bits, and purely electrical control and readout mechanisms). This could provide the basis for a large-scale quantum computer, capable of exponentially faster solutions to certain computational problems.

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