Publications

 2009

  1.  Xiaodong Xu, Bo Sun, Paul R. Berman, Duncan G. Steel, Dan Gammon, L. J. Sham "Strong Optical Field Study of Single Self-Assembled Quantum Dot", accepted in Solid State Communications (2009)
  2. Xiaodong Xu, Wang Yao, Bo Sun, Duncan G. Steel, Allan S. Bracker, Daniel Gammon, L. J. Sham "Optically Controlled Locking of the Nuclear Field via Coherent Dark-State Spectroscopy" 459, 1105 - 1109 Nature (2009)

2008

  1. Xiaodong Xu, Bo Sun, Paul R. Berman, Duncan G. Steel, Allan S. Bracker, Dan Gammon, L. J. Sham "Coherent Population Trapping of an Electron Spin in a Single Negatively Charged Quantum Dot ," Nature Physics 4, 692-695 (2008) .
  2. Jun Cheng, Wang Yao, Xiaodong Xu, D. G. Steel, A. S. Bracker, D. Gammon, and L. J. Sham " Stimulated Raman spin coherence and spin-flip induced hole burning in charged GaAs quantum dots," Phys. Rev. B , 77,115315 (2008) .
  3. P. R. Berman, X. Xu, “Four Wave Mixing in a Lambda System”, Phys. Rev. A. 78, 053407 (2008)

 
   2007
  1. Xiaodong Xu, Bo Sun, Paul R. Berman, Duncan G. Steel, Allan S. Bracker, Dan Gammon, and L. J. Sham "Coherent Optical Spectroscopy of a Strongly Driven Quantum Dot," Science 317,(5840), 929,(2007) .
  2. Xiaodong Xu, Yanwen Wu, Bo Sun, Qiong Huang, Jun Cheng, D. G. Steel, A. S. Bracker, D. Gammon, C. Emary, and L. J. Sham "Fast Spin State Initialization in a Singly Charged InAs-GaAs Quantum Dot by Optical Cooling," Phys. Rev. Lett. 99,097401 (2007) .
  3. Yanwen Wu,Erik D. Kim, Xiaodong Xu, Jun Cheng, D. G. Steel, A. S. Bracker, D. Gammon, Sophia E. Economou, and L. J. Sham " Selective Optical Control of Electron Spin Coherence in Singly Charged GaAs-Al0.3Ga0.7As Quantum Dots," Phys. Rev. Lett. 99 ,097402 (2007)
  4. C. Emary, X. Xu, S. Saikin, D. G. Steel, L. J. Sham, “Fast Initialization of the Spin State of an Electron in a Quantum Dot in the Voigt Configuration”, Phys. Rev. Lett. 98, 047401 (2007)
 
   2006
  1. M.V. Gurudev Dutt, Jun Cheng, Yanwen Wu, Xiaodong Xu, D. G. Steel, D. Gammon, and L. J. Sham "Ultrafast optical control of electron spin coherence in charged GaAs quantum dots," Phys. Rev. B ??, ?????? (2006).
  2. Yanwen Wu, Xiaoqin Li, L. M. Duan, D. G. Steel, and D. Gammon. "Density Matrix Tomography through Sequential Coherent Optical Rotations of an Exciton Qubit in a Single Quantum Dot," Phys. Rev. Lett. 96, 087402 (2006).
  3. J. Cheng, Y. Wu, X. Xu, D. Sun, D. G. Steel, A. S. Bracker, D. Gammon, W. Yao, L.J. Sham, “Spin Relaxation in Charged Quantum Dots Measured by Coherent Optical Phase Modulation Spectroscopy”, Solid State Communications 140, 381 (2006).
   2004-2005
  1. M. V. Gurudev Dutt, Jun Cheng, Bo Li, Xiaodong Xu, Xiaoqin Li, P. R. Berman, D. G. Steel, A. S. Bracker, D. Gammon, Sophia E. Economou, Ren-Bao Liu, and L. J. Sham, "Stimulated and Spontaneous Optical Generation of Electron Spin Coherence in Charged GaAs Quantum Dots," Phys. Rev. Lett. 94, 227403 (2005).
  2. E. T. Batteh, Jun Cheng, Gang Chen, D. G. Steel, D. Gammon, D. S. Katzer, and D. Park, "Coherent nonlinear optical spectroscopy of fluctuation quantum dots: Evidence for coupling between quantum dots," Phys. Rev. B 71, 155327 (2005).
  3. Xiaoqin Li, Yanwen Wu, D. G. Steel, D. Gammon, and L. J. Sham, "Raman coherence beats from the entangled state involving polarized excitons in single quantum dots," Phys. Rev. B 70, 195330 (2004).
  4. Yanwen Wu, Xiaoqin Li, D. G. Steel, D. Gammon and L. J. Sham, "Coherent optical control of semiconductor quantum dots for quantum information processing," Physica E: Low-dimensional Systems and Nanostructures, Proceedings of the 13th International Winterschool on New Developments in Solid State Physics - Low-Dimensional Systems, 25, 242-248 (2004).
  5. E. T. Batteh, Jun Cheng, Gang Chen, D. G. Steel, D. Gammon, D. S. Katzer, D. Park, "Coherent Nonlinear Optical Spectroscopy of Single Quantum Dot Excited States," Appl. Phys. Lett. 84, 1928-30 (2004).
   2002-2003
  1. Xiaoqin Li, Yanwen Wu, D. G. Steel, D. Gammon, T. H. Stievvator, D. S. Katzer, D. Park, C. Piermarocchi, L. J. Sham, "An All-Optical Quantum Gate in a Semiconductor Quantum Dot," Science 301, 809-11 (2003). --Abstract -- Download Full text
  2. J. R. Guest, Xiaoqin Li, T. H. Stievater, D. G. Steel, D. Gammon, "Direct Probing of Quantum Dots through Linear and Nonlinear Nano-optics," Phys. Status. Solidi. B 234, 435-42 (2002).
  3. T. H. Stievater, Xiaoqin Li, T. Cubel, D. G. Steel, D. Gammon, D. S. Katzer, D. Park, "Measurement of Relaxation between Polarization Eigenstates in Single Quantum Dots," Appl. Phys. Lett. 81, 4251-53 (2002).
  4. J. R. Guest, T. H. Stievater, Xiaoqin Li, Jun Cheng, D. G. Steel, D. Gammon, D. S. Katzer, D. Park, C. Ell, A. Thranhardt, G. Khitrova, H. M. Gibbs, "Measurement of Optical Absorption by a Single Quantum Dot Exciton," Phys. Rev. B 65, 241310 (2002).
  5. T. H. Stievater, Xiaoqin Li, D. G. Steel, D. Gammon, D. S. Katzer, D. Park, "Transient Nonlinear Spectroscopy of Excitons and Biexcitons in Single Quantum Dots," Phys. Rev. B. 65, 205319 (2002).
  6. A. S. Lenihan, M. V. G. Dutt, D. G. Steel, S. Ghosh, P. K. Bhattacharya, "Raman Coherence Beats from Entangled Polarization Eigenstates in InAs Quantum Dots," Phys. Rev. Lett. 88, 223601 (2002).
  7. G. Chen, T. H. Stievater, E. T. Batteh, Xiaoqin Li, D. G. Steel, D. Gammon, D. S. Katzer, D. Park, L. J. Sham, "Biexciton Quantum Coherence in a Single Quantum Dot," Phys. Rev. Lett. 88, 117901 (2002).
  8. T. H. Stievater, Xiaoqin Li, J. R. Guest, D. G. Steel, D. Gammon, D. S. Katzer, D. Park, "Wavelength Modulation Spectroscopy of Single Quantum Dots," Appl. Phys. Lett. 80, 1876-78 (2002).
   2000-2001
  1. J.R.Guest,T.H.Stievater, Gang Chen, E.A.Tabak, B.G.Orr, D.G.Steel, D.Gammon, D.S.Katzer, "Near Field Coherent Spectroscopy and Microscopy of a Quantum Dot system," Science 293, 2224-2227 (2001). --Abstract -- Download Full text
  2. T.H.Stievater,Xiaoqin Li,D.G. Steel, D. Gammon, D.S.Katzer, D.Park, C.Piermarocchi, and L.J.Sham, "Rabi Oscillations of Excitons in Single Quantum Dots," Phys. Rev. Lett. 87, 133603 (2001).
  3. Gang Chen,D.Gammon, L.J.Sham and D.G.Steel, "Zeeman Coherence in Single Quantum Dots," Solid State Comm. 119, 199-205 (2001).
  4. N. H. Bonadeo, Gang Chen, D. Gammon, and D. G. Steel, "Single Quantum Dot Nonlinear Optical Spectroscopy," Phys. Stat. Sol. B 221, 5-18 (2000).
  5. Gang Chen, N. H. Bonadeo, D. G. Steel, D. Gammon, D. S. Katzer, D. Park, and L. J. Sham, "Optically Induced Entanglement of Excitons in a Single Quantum Dot," Science 289, 1906-1909 (2000). --Abstract -- Download Full text
   Prior to 2000
  1. N. H. Bonadeo, A. S. Lenihan, Gang Chen, J. R. Guest, D. Gammon, D. S. Katzer, D. Park and D. G. Steel, "Single Quantum Dot states measured by optical modulation spectroscopy," Appl. Phys. Lett.75, 2933-2935 (1999).
  2. N. H. Bonadeo, D. G. Steel, and R. Merlin, "Anomalous selection rules and heavy-light hole beats: Stress effects in GaAs," Phys. Rev. B.60, 8970 (1999).
  3. J. Erland, J. C. Kim, N. H. Bonadeo,D. Gammon,D. S. Katzer, and D. G. Steel. "Nonexponential photon echo decays from nanostructures: Strongly and weakly localized degenerate exciton states," Phys. Rev. B.60, R8497 (1999).
  4. N. H. Bonadeo, J. Erland, D. Gammon, D. S. Katzer, D. Park and D. G. Steel, "Coherent Optical Control of the Quantum State of a Single Quantum Dot," Science 282, 1473-1475 (1998). --Abstract -- Download Full text
  5. N. H. Bonadeo, Gang Chen, D. Gammon, D. S. Katzer, D. Park and D. G. Steel, "Nonlinear Nano-Optics: Probing One Exciton at a Time," Phys. Rev. Lett. 81, 2759 (1998).
  6. K. B. Ferrio and D. G. Steel, "Excitonic Raman Quantum Beats in GaAs," Phys. Rev. Lett. 80, 786 (1998).
  7. M. K. Lewis, P. Wolanin, Ari Gafni, D. G. Steel, "Near-field scanning optical microscopy of single molecules by femtosecond two-photon excitation," Opt. Lett.23, 1111 (1998).
  8. A. C. Schaefer and D. G. Steel, "The Nonlinear Exciton-Polariton in GaAs," Phys. Rev. Lett. 79, 4870 (1997).
  9. K. B. Ferrio and D. G. Steel, "Observation of the Ultrafast Two-Photon Coherent Oscillation in a GaAs/AlGaAs Multiple-Quantum-Well: a Signature of Biexcitonic Optical Nonlinearity," Phys. Rev. B54, R5231-R5234 (1996).
  10. A. C. Schaefer, J. Erland and D. G. Steel, "Nondiffusive Excitonic Transport in GaAs and the Effects of Momentum Scattering," Phys. Rev. B54, R11046-R11049 (1996).