2009

• 04-14-2009: new publication:
  • B.A. Ruzicka and Hui Zhao, Power dependence of pure spin current injection by quantum interference. Physical Review B 79, 155204 (2009).[
• 03-27-2009: new publication:
  • Hui Zhao, M. Mower, and G. Vignale, Ambipolar spin diffusion and Dyakonov-Perel spin relaxation in GaAs quantum wells. Physical Review B 79, 115321 (2009).

2008

• 07-15-2008: new publication:
  • B.A. Ruzicka, K. Higley, L.K. Werake, and Hui Zhao, All-optical generation and detection of subpicosecond ac spin-current pulses in GaAs, Physical Review B 78, 045314 (2008)[Full text, ©APS]. The paper is selected as an "editor's suggestion".
• 06-03-2008: Lalani Werake joined the group as a graduate student.
• 03-18-2008: First paper published on Applied Physics Letters:
  • Hui Zhao, Temperature dependence of ambipolar diffusion in silicon-on-insulator, Applied Physics Letters 92, 112104 (2008).[Full text, ©AIP]
• 02-12-2008: Karl Higley joined the group as an undergraduate student.
• 02-02-2008: First experiment completed.
• 01-22-2008: Brian Ruzicka joined the group as a graduate student.
• 01-07-2008: First set of data acquired.

2007

• 11-15-2007: Spectra-Physics femtosecond laser system (Millennia / Tsunami /Opal) installed.

• 09-26-2007: Three 12'x4' research grade optical tables (Newport) installed in the lab 1072.

• 08-12-2007: The first group member, Prof. Hui Zhao, arrived in KU. Here is the lab-to-be.