``Optimal Control in Dissipative Quantum Systems'', Condensed
Matter Seminar, Univ. Graz, Jan.  31, 2005.

``Coherent Intersubband Dynamics in Confined Semiconductors'', Condensed
Matter Seminar, Univ. Graz, June 21, 2004.

``Quantum Interference - A Pathway to New Control Mechanisms in
Semiconductors?'', TU Vienna, April 7, 2003.

`` Coherent Control Schemes in Semiconductors'', Inst. f. Theor. Physik,
University of Innsbruck, Feb. 14, 2003.

``Coherent Electromagnetic Response of Semiconductors'', Inst. f. Theor.
Physik (Dissertantenseminar), University of Graz, Jan. 22, 2002.

``Quantum Interference - a Pathway to New Control Mechanisms for Semiconductor
Devices?'', University of Linz, Dec. 12, 2002.

``Quantum Interference Phenomena in the Electronic Structure of AlAs/GaAs
Heterostructures", Inst. f. Theor. Physik, University of Graz, Jan. 31, 2001.

``Das Youngsche Doppelspaltexperiment im Festk\"{o}rper",
Antrittsvorlesung, Inst. f. Theor. Physik, University of Graz, Jan. 24, 2001.

``Control of Electron Interband Transitions by Quantum Interference",
Walter Schottky Institute, TU M\"{u}nchen, Germany, Dec. 18, 2000.

``Optical and Structural Control of Quantum Interference in Semiconductor Nanostructures", Physics Department,
University of Toronto, Canada, April 5, 1999.

``Quantum Interference and Coherent Control in Semiconductors", Physics Department, Northwestern University,
Nov. 12, 1998.

``Young's Double Slit Experiment: Recent Applications in Atomic, Molecular, and
Solid--State Physics", to students of SPS, UIC, Feb. 12, 1998.

 ``Coherent Control of Electronic Interband Transitions in Semiconductors", Feb. 6, 1998,
Physics, University of Notre Dame.

 ``Manipulation of Carrier Dynamicsand Optical Properties in Semiconductors",  Armour College of Engineering and Science,
Illinois Institute of Technology, Nov. 6, 1997.

 ``Coherent Control of Charge Oscillations and Light Absorption in Semiconductor
Heterostructures,  UIC Physics Condensed Matter Seminar, Nov. 96.

 ``Coherence versus Phase Breaking in Semiconductor Heterostructures", Univ. of Graz, Austria,
Nov. 96.

 ``Coherence and Phase--Breaking in Semiconductor Nanostructures", Physics,
University of Illinois at Chicago, April 17, 1996.

 ``Coherence and Phase--Breaking in Semiconductor Multi--Band Systems", Beckman Institute,
University of Illinois at Urbana--Champaign, March 6, 1996.