Quantum gates and memory using microwave-dressed states

Nature

Volumn 476, Issue 7359, 2011, Pages 185-188

  Timoney, N ^a   Baumgart, I ^a   Johanning, M ^a   Varon A F ^a   Plenio, M B ^b   Retzker, A ^b   Wunderlich, Ch ^a  

^a UNIVERSITY OF SIEGEN   (Germany)

^b UNIVERSITY OF ULM   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 84993905074     PISSN: 00280836     EISSN: None     Source Type: Journal    
DOI: 10.1038/nature10319     Document Type: Article

References (30)

1. Blatt, R. & Wineland, D. Entangled states of trapped atomic ions. Nature 453, 1008–1015 (2008).
2. Friedenauer, A. Schmitz, H. Glueckert, J. T., Porras, D. & Schaetz, T. Simulating a quantum magnet with trapped ions. Nature Phys. 4, 757–761 (2008).
3. Kim, K. et al. Quantum simulation of frustrated Ising spins with trapped ions. Nature 465, 590–593 (2010).
4. Gerritsma, R. et al. Quantum simulation of the Dirac equation. Nature 463, 68–71 (2010).
5. Johanning, M. Varon, A. F. & Wunderlich, C. Quantum simulations with cold trapped ions. J. Phys. B 42, 109-154 (2009).
6. Mintert, F. & Wunderlich, C. Ion-trap quantum logic using long-wavelength radiation. Phys. Rev. Lett. 87, 257-904 (2001).
7. Ospelkaus, C. et al. Trapped-ion quantum logic gates based on oscillating magnetic fields. Phys. Rev. Lett. 101, 090502 (2008).
8. Ozeri, R. et al. Errors in trapped-ion quantum gates due to spontaneous photon scattering. Phys. Rev. A 75, 042329 (2007).
9. Plenio, M. B. & Knight, P. L. Decoherence limits to quantum computation using trapped ions. Proc. R. Soc. Lond. A 453, 2017–2041 (1997).
10. Sørensen, A. & Mølmer, K. Entanglement and quantum computation with ions in thermal motion. Phys. Rev. A 62, 022311 (2000).
11. Milburn, G. J. Schneider, S. & James, D. F. V. Ion trap quantum computing with warm ions. Fortschr. Phys. 48, 801–810 (2000).
12. Wunderlich, C. in Laser Physics at the Limit (eds Meschede, D., Zimmermann, C. & Figger, H.) 261–271 (Springer, 2002).
13. Wunderlich, C. & Balzer, C. Quantum measurements and new concepts for experiments with trapped ions. Adv. At. Mol. Phys. 49, 293–372 (2003).
14. Mc Hugh, D. & Twamley, J. Quantumcomputer using a trapped-ion spin molecule and microwave radiation. Phys. Rev. A 71, 012315 (2005).
15. Wang, S. X. Labaziewicz, J. Ge, Y., Shewmon, R & Chuang, I. L. Individual addressing of ions using magnetic field gradients in a surface-electrode ion trap. Appl. Phys. Lett. 94, 094103 (2009).
16. Johanning, M. et al. Individual addressing of trapped ions and coupling ofmotional and spin states using RF radiation. Phys. Rev. Lett. 102, 073004 (2009).
17. Haffner, H. et al. Robust entanglement. Appl. Phys. B 81, 151–153 (2005).
18. Kielpinski, D. et al. A decoherence-free quantum memory using trapped ions. Science 291, 1013–1015 (2001).
19. Home, J. P. et al. Completemethods set for scalable ion trap quantuminformation processing. Science 325, 1227–1230 (2009).
20. Viola, L. & Lloyd, S. Dynamical suppression of decoherence in two-state quantum systems. Phys. Rev. A 58, 2733–2744 (1998).
21. Rabl, P. et al. Strong magnetic coupling between an electronic spin qubit and a mechanical resonator. Phys. Rev. B 79, 041302 (2009).
22. Biercuk, M. J. et al. Optimized dynamical decoupling in amodel quantummemory. Nature 458, 996–1000 (2009).
23. Bluhm, H. et al. Dephasing time of GaAs electron-spin qubits coupled to a nuclear bath exceeding 200ms. Nature Phys. 7, 109–113 (2011).
24. Vitanov, N. V., Fleischhauer, M. Shore, B. W & Bergmann, K. Coherentmanipulation of atoms and molecules by sequential laser pulses. Adv. At. Mol. Phys. 46, 55–190 (2001).
25. Sørensen, J. et al. Efficient coherent internal state transfer in trapped ions using stimulated Raman adiabatic passage. New J. Phys. 8, 261 1–11 (2006).
26. Cirac, J. I. & Zoller, P. Quantum computations with cold trapped ions. Phys. Rev. Lett. 74, 4091–4094 (1995).
27. Specht, H. P. et al. A single-atomquantummemory. Nature 473, 190–192 (2011).
28. Simon, C. et al. Quantum memories. Eur. Phys. J. D 58, 1–22 (2010).
29. Clarke, J & Wilhelm, F. K. Superconducting quantum bits. Nature 453, 1031–1042 (2008).
30. Hannemann, T. et al. Self-learning estimation of quantum states. Phys. Rev. A 65, 050303 1–4 (2002).