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International Journal of Theoretical Physics

The Decoherence of Single Electron Quantum Dot Qubit

Yi-Fu Yu, Wei-Ping Li, Ji-Wen Yin, Jing‐Lin Xiao

Published May 23, 2011• 7 citations
Publisher
DOI
10.1007/s10773-011-0835-6

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Preface Spin and Charge Qubits 1. Coded Qubit Based on Electron Spin M. Korkusinski and P. Hawrylak 2. Quantum Optical Studies of Single Coupled Quantum Dot Pairs G. J. Beirne, M. Jetter, and P. Michler 3. Nuclear Spin Bi-stability in Semiconductor Quantum Dots A. I. Tartakovskii, M. S. Skolnick, A. Russell, and V. I. Fal'ko 4. Nonequilibrium Optical Spin Cooling in Charged Quantum Dots I. A. Akimov, D. H. Feng, and F. Henneberger Qubit Control, Readout, and Transfer 5. Electron Spin Quantum Bits in Quantum Dots: Initialization, Decoherence, and Control A. Greilich, D. R. Yakovlev, M. Bayer, A. Shabaev, and A. L. Efros 6. Optical Control of Quantum-Dot Spin States M. Atat ure, J. Dreiser, A. Badolato, and A. Imamo_glu 7. Optical Read-out of Single Carrier Spin in Semiconductor Quantum Dots F. Troiani, I. Wilson-Rae, and C. Tejedor 8. Quantum State Transfer from a Photon to an Electron Spin in Quantum Dots and Quantum Dynamics of Electron-Nuclei Coupled System T. Takagahara and O. ^ Cakir Qubit Decoherence 9. Spin Quantum-bits and Decoherence in InAs/GaAs Quantum Dots B. Urbaszek, T. Amand, O. Krebs, P. Renucci, and X. Marie 10. Electron and Hole Spin Dynamics and Decoherence in Quantum Dots D. Klauser, D. V. Bulaev, W. A. Coish, and D. Loss 11. Microscopic Theory of Energy Dissipation and Decoherence in Semiconductor Nanodevices F. Rossi 12. Transient Four-wave Mixing of Excitons in Quantum Dots from Ensembles and Individuals P. Borri and W. Langbein Flying Qubits 13. Light-matter Interaction in Single Quantum Dot - Micropillar Cavity Systems S. Reitzenstein, J.-P. Reithmaier, and A. Forchel 14. Entangled Photons via Biexciton-Resonant Hyperparemetric Scattering K. Edamatsu 15. Entangled Photon Pair Emission and Interference from Single Quantum Dots R. M. Stevenson, R. J. Young, and A. J. Shields Qubit Applications 16. Telecom-wavelength Single-photon Sources Based on Single Quantum Dots M. B. Ward, A. J. Shields, B. Alloing, C. Zinoni, C. Monat, and A. Fiore 17. Quantum Information Processing with Quantum Dots in Photonic Crystals J. Vu_ckovi_c, D. Englund, A. Faraon, I. Fushman, and E. Waks 18. High-Speed Quantum Computers with Semiconductor Spins T. D. Ladd, K. Sanaka, K. M. C. Fu, S. Koseki, D. Press, S. M. Clark, K. De Greve, and Y. Yamamoto 19. Quantum Dots: Single-Photon Sources for Quantum Information M. Scholz, T. Aichele, and O. Benson Author Index Subject Index

Pan Stanford Publishing eBooks•Jan 1, 2008•88 citations
We describe time-dependent single-electron transport through quantum dots in the Coulomb blockade regime. Coherent dynamics of a single charge qubit in a double quantum dot is discussed with full one-qubit manipulation. Strength of decoherence is controlled with the applied voltage, but uncontrolled decoherence arises from electron–phonon coupling and background fluctuations. Then energy-relaxation dynamics is discussed for orbital and spin degree of freedom in a quantum dot. The electron–phonon interaction and spin–orbit coupling can be investigated as the dissipation problem. Finally, charge detection measurement is presented for statistical analysis of single-electron tunnelling transitions and for a sensitive qubit read-out device.
Preface Spin and Charge Qubits 1. Coded Qubit Based on Electron Spin M. Korkusinski and P. Hawrylak 2. Quantum Optical Studies of Single Coupled Quantum Dot Pairs G. J. Beirne, M. Jetter, and P. Michler 3. Nuclear Spin Bi-stability in Semiconductor Quantum Dots A. I. Tartakovskii, M. S. Skolnick, A. Russell, and V. I. Fal'ko 4. Nonequilibrium Optical Spin Cooling in Charged Quantum Dots I. A. Akimov, D. H. Feng, and F. Henneberger Qubit Control, Readout, and Transfer 5. Electron Spin Quantum Bits in Quantum Dots: Initialization, Decoherence, and Control A. Greilich, D. R. Yakovlev, M. Bayer, A. Shabaev, and A. L. Efros 6. Optical Control of Quantum-Dot Spin States M. Atat ure, J. Dreiser, A. Badolato, and A. Imamo_glu 7. Optical Read-out of Single Carrier Spin in Semiconductor Quantum Dots F. Troiani, I. Wilson-Rae, and C. Tejedor 8. Quantum State Transfer from a Photon to an Electron Spin in Quantum Dots and Quantum Dynamics of Electron-Nuclei Coupled System T. Takagahara and O. ^ Cakir Qubit Decoherence 9. Spin Quantum-bits and Decoherence in InAs/GaAs Quantum Dots B. Urbaszek, T. Amand, O. Krebs, P. Renucci, and X. Marie 10. Electron and Hole Spin Dynamics and Decoherence in Quantum Dots D. Klauser, D. V. Bulaev, W. A. Coish, and D. Loss 11. Microscopic Theory of Energy Dissipation and Decoherence in Semiconductor Nanodevices F. Rossi 12. Transient Four-wave Mixing of Excitons in Quantum Dots from Ensembles and Individuals P. Borri and W. Langbein Flying Qubits 13. Light-matter Interaction in Single Quantum Dot - Micropillar Cavity Systems S. Reitzenstein, J.-P. Reithmaier, and A. Forchel 14. Entangled Photons via Biexciton-Resonant Hyperparemetric Scattering K. Edamatsu 15. Entangled Photon Pair Emission and Interference from Single Quantum Dots R. M. Stevenson, R. J. Young, and A. J. Shields Qubit Applications 16. Telecom-wavelength Single-photon Sources Based on Single Quantum Dots M. B. Ward, A. J. Shields, B. Alloing, C. Zinoni, C. Monat, and A. Fiore 17. Quantum Information Processing with Quantum Dots in Photonic Crystals J. Vu_ckovi_c, D. Englund, A. Faraon, I. Fushman, and E. Waks 18. High-Speed Quantum Computers with Semiconductor Spins T. D. Ladd, K. Sanaka, K. M. C. Fu, S. Koseki, D. Press, S. M. Clark, K. De Greve, and Y. Yamamoto 19. Quantum Dots: Single-Photon Sources for Quantum Information M. Scholz, T. Aichele, and O. Benson Author Index Subject Index