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Optical pumping of the electronic and nuclear spin of single charge-tunable quantum dots.
Bracker AS, Stinaff EA, Gammon D, Ware ME, Tischler JG, Shabaev A, Efros AL, Park D, Gershoni D, Korenev VL, Merkulov IA. Bracker AS, et al. Phys Rev Lett. 2005 Feb 4;94(4):047402. doi: 10.1103/PhysRevLett.94.047402. Epub 2005 Feb 2. Phys Rev Lett. 2005. PMID: 15783594
We present a comprehensive examination of optical pumping of spins in individual GaAs quantum dots as we change the net charge from positive to neutral to negative with a charge-tunable heterostructure. ...
We present a comprehensive examination of optical pumping of spins in individual GaAs quantum dots as we change the net charge from p …
Structure of III-Sb(001) growth surfaces: the role of heterodimers.
Barvosa-Carter W, Bracker AS, Culbertson JC, Nosho BZ, Shanabrook BV, Whitman LJ, Kim H, Modine NA, Kaxiras E. Barvosa-Carter W, et al. Phys Rev Lett. 2000 May 15;84(20):4649-52. doi: 10.1103/PhysRevLett.84.4649. Phys Rev Lett. 2000. PMID: 10990762
Suppression of Dyakonov-Perel spin relaxation in high-mobility n-GaAs.
Dzhioev RI, Kavokin KV, Korenev VL, Lazarev MV, Poletaev NK, Zakharchenya BP, Stinaff EA, Gammon D, Bracker AS, Ware ME. Dzhioev RI, et al. Phys Rev Lett. 2004 Nov 19;93(21):216402. doi: 10.1103/PhysRevLett.93.216402. Epub 2004 Nov 15. Phys Rev Lett. 2004. PMID: 15601037
The dynamics of the spin-orbit field differs substantially from the usual scheme: although all the experimental data can be self-consistently interpreted as a precessional spin-relaxation induced by a random spin-orbit field, the correlation time of this random field, surp …
The dynamics of the spin-orbit field differs substantially from the usual scheme: although all the experimental data can be self-consistentl …
Stimulated and spontaneous optical generation of electron spin coherence in charged GaAs quantum dots.
Dutt MV, Cheng J, Li B, Xu X, Li X, Berman PR, Steel DG, Bracker AS, Gammon D, Economou SE, Liu RB, Sham LJ. Dutt MV, et al. Phys Rev Lett. 2005 Jun 10;94(22):227403. doi: 10.1103/PhysRevLett.94.227403. Epub 2005 Jun 9. Phys Rev Lett. 2005. PMID: 16090438
Polarized fine structure in the photoluminescence excitation spectrum of a negatively charged quantum dot.
Ware ME, Stinaff EA, Gammon D, Doty MF, Bracker AS, Gershoni D, Korenev VL, Bădescu SC, Lyanda-Geller Y, Reinecke TL. Ware ME, et al. Phys Rev Lett. 2005 Oct 21;95(17):177403. doi: 10.1103/PhysRevLett.95.177403. Epub 2005 Oct 19. Phys Rev Lett. 2005. PMID: 16383867
Optical signatures of coupled quantum dots.
Stinaff EA, Scheibner M, Bracker AS, Ponomarev IV, Korenev VL, Ware ME, Doty MF, Reinecke TL, Gammon D. Stinaff EA, et al. Science. 2006 Feb 3;311(5761):636-9. doi: 10.1126/science.1121189. Epub 2006 Jan 12. Science. 2006. PMID: 16410487
The optical spectrum shows a rich pattern of level anticrossings and crossings that can be understood as a superposition of charge and spin configurations of the two dots. ...
The optical spectrum shows a rich pattern of level anticrossings and crossings that can be understood as a superposition of charge an …
Electrically tunable g factors in quantum dot molecular spin states.
Doty MF, Scheibner M, Ponomarev IV, Stinaff EA, Bracker AS, Korenev VL, Reinecke TL, Gammon D. Doty MF, et al. Phys Rev Lett. 2006 Nov 10;97(19):197202. doi: 10.1103/PhysRevLett.97.197202. Epub 2006 Nov 10. Phys Rev Lett. 2006. PMID: 17155656
As an applied electric field tunes the relative energies of the two dots, we observe a strong resonant increase or decrease in the g factors of different spin states that have molecular wave functions distributed over both quantum dots. ...
As an applied electric field tunes the relative energies of the two dots, we observe a strong resonant increase or decrease in the g
Fast spin state initialization in a singly charged InAs-GaAs quantum dot by optical cooling.
Xu X, Wu Y, Sun B, Huang Q, Cheng J, Steel DG, Bracker AS, Gammon D, Emary C, Sham LJ. Xu X, et al. Phys Rev Lett. 2007 Aug 31;99(9):097401. doi: 10.1103/PhysRevLett.99.097401. Epub 2007 Aug 28. Phys Rev Lett. 2007. PMID: 17931035
Selective optical control of electron spin coherence in singly charged GaAs-Al0.3Ga0.7As quantum dots.
Wu Y, Kim ED, Xu X, Cheng J, Steel DG, Bracker AS, Gammon D, Economou SE, Sham LJ. Wu Y, et al. Phys Rev Lett. 2007 Aug 31;99(9):097402. doi: 10.1103/PhysRevLett.99.097402. Epub 2007 Aug 29. Phys Rev Lett. 2007. PMID: 17931036
Photoluminescence spectroscopy of the molecular biexciton in vertically stacked InAs-GaAs quantum dot pairs.
Scheibner M, Ponomarev IV, Stinaff EA, Doty MF, Bracker AS, Hellberg CS, Reinecke TL, Gammon D. Scheibner M, et al. Phys Rev Lett. 2007 Nov 9;99(19):197402. doi: 10.1103/PhysRevLett.99.197402. Epub 2007 Nov 8. Phys Rev Lett. 2007. PMID: 18233111
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