Optically programmable electron spin memory using semiconductor quantum dots

Nature

Volumn 432, Issue 7013, 2004, Pages 81-84

  Kroutvar, Miro ^a   Ducommun, Yann ^a   Heiss, Dominik ^a   Bichler, Max ^a   Schuh, Dieter ^a   Abstreiter, Gerhard ^a   Finley, Jonathan J ^a  

^a WALTER SCHOTTKY INSTITUT   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

COMPUTER APPLICATIONS; ELECTRIC EXCITATION; ELECTRONS; MAGNETIC FIELDS; NATURAL FREQUENCIES; PARAMAGNETIC RESONANCE; QUANTUM THEORY;

ELECTRON SPIN; ELECTRONICALLY COUPLED; QUANTUM BIT; QUANTUM COMPUTER;

SEMICONDUCTOR DEVICES;

MAGNETIC FIELD;

ACCELERATION; ARTICLE; ATOM; COMPUTER; DEVICE; ELECTRON; MAGNETIC FIELD; OPTICS; PRIORITY JOURNAL; QUANTUM MECHANICS; SEMICONDUCTOR; SOLID STATE;

EID: 8544241734     PISSN: 00280836     EISSN: None     Source Type: Journal    
DOI: 10.1038/nature03008     Document Type: Article

References (24)

1. Loss, D. & DiVincenzo, D. Quantum computation with quantum dots. Phys. Rev. A 57, 120-126 (1998).
2. Kane, B. E. A silicon-based nuclear spin quantum computer. Nature 393, 119-120 (1998).
3. Elzerman, J. M. et al. Single-shot read-out of an individual electron spin in a quantum dot. Nature 430, 431-435 (2004).
4. Arakawa, Y. & Tarucha, S. (eds) Proc. 2nd Int. Conf. on Semiconductor Quantum Dots (QD 2002), Physica Status Solidi B 238 229-372, (2003).
5. Heidemeyer, H., Denker, U., Müller, C. & Schmidt, O. G. Morphology response to strain field interferences in stacks of highly ordered quantum dot arrays. Phys. Rev. Lett. 91, 196103 (2003).
6. Bayer, M. et al. Coupling and entangling of quantum states in quantum dot molecules. Science 291, 451-453 (2001).
7. Zrenner, A. et al. Coherent properties of a two-level system based on a quantum-dot photodiode. Nature 418, 612-614 (2002).
8. Oulton, R. et al. Manipulation of the homogeneous linewidth of an individual In(Ga)As quantum dot. Phys. Rev. B 66, 045313 (2002).
9. Hanson, R., Witkamp, B., Vandersypen, L. M. K., Willems van Beveren, L. H. & Eizerman, J. M. Zeeman energy and spin relaxation in a one-electron quantum dot. Phys. Rev. Lett. 91, 196802 (2002).
10. Fujisawa, T., Austing, D. G., Tokura, Y., Hirayama, Y. & Tarucha, S. Nonequilibrium transport through a vertical quantum dot in the absence of spin-flip energy relaxation. Phys. Rev. Lett. 88, 236802 (2002); Allowed and forbidden transitions in artificial hydrogen and helium atoms. Nature 419, 278 (2002).
11. Fujisawa, T., Austing, D. G., Tokura, Y., Hirayama, Y. & Tarucha, S. Nonequilibrium transport through a vertical quantum dot in the absence of spin-flip energy relaxation. Phys. Rev. Lett. 88, 236802 (2002); Allowed and forbidden transitions in artificial hydrogen and helium atoms. Nature 419, 278 (2002).
12. Meier, F. & Zakharchenya, B. (eds) Modern Problems in Condensed Matter Sciences Vol. 8, Optical Orientation (North Holland, Amsterdam, 1984).
13. Khaetskii, A. V. & Nazarov, Y. V. Spin relaxation in semiconductor quantum dots. Phys. Rev. B 61, 12639-12642 (2000).
14. Khaetskii, A. V. & Nazarov, Y. V. Spin flip transitions between Zeeman sublevels in semiconductor quantum dots. Phys. Rev. B 64, 125316 (2001).
15. Woods, L. M., Reinecke, T. L. & Lyanda-Geller, Y. Spin relaxation in quantum dots. Phys. Rev. B 66, 161318 (2002).
16. Gupta, J. A., Awschalom, D. D., Peng, X. & Alivisatos, A. P. Spin coherence in semiconductor quantum dots. Phys. Rev. B 59, R10421-R10424 (1999).
17. Golovach, V. N., Khaetskii, A. V. & Loss, D. Phonon induced decay of the electron spin in quantum dots. Phys. Rev. Lett. 93, 016601 (2004).
18. Kroutvar, M. et al. Wavelength selective charge storage in self-assembled InGaAs/GaAs quantum dots. Appl Phys. Lett. 83, 443-45 (2003).
19. Finley, J, J. et al. Electrical detection of optically induced charge storage in self-assembled inAs quantum dots. Appl. Phys. Lett. 73, 2618-2620 (1998).
20. Finley, J. J. et al. Charged and neutral exciton complexes in individual self-assembled In(Ga)As quantum dots. Phys. Rev. B 63, 073307 (2001).
21. Bayer, M. et al. Fine structure of neutral and charged excitons in self-assembled In(Ga)As/(Al)GaAs quantum dots. Phys. Rev. B 65, 195315 (2002).
22. 1-xAs quantum dots by annealing. Phys. Rev. B 69, 161301 (2004).
23. Oulton, R. et al. Continuum transitions and phonon coupling in single self-assembled Stranski-Krastanow quantum dots. Phys. Rev. B 68, 235301 (2003).
24. Khaetskii, A. V., Loss, D. & Glazman, L. Electron spin evolution induced by interaction with nuclei in a quantum dot. Phys. Rev. B 67, 195329 (2003).