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I am an Assistant Professor in the Department of Physics and Astronomy at the University of Denver. I did my PhD research at the University of Colorado, a postdoc at NIST Boulder, and then came to DU in September 2010. I love teaching and thinking through challenging physics concepts, and I love doing research with lasers. Speciically, I use ultrafast pulsed lasers as "strobe lights" to observe energy transport in nanostructures, relevant to cooling of integrated circuits and solar energy harvesting.
Mark E. Siemens, Galan Moody, Hebin Li, Alan D. Bristow, and Steven T. Cundiff, "Resonance lineshapes in two-dimensional Fourier transform spectroscopy," Opt. Express 18, 17699-17708 (2010)
Mark E. Siemens, Qing Li, Rongugi Yang, Erik H. Anderson, Keith A. Nelson, Murnane M. Murnane, and Henry C. Kapteyn,“Time-resolved quasi-ballistic heat transport at nano-interfaces”, Nature Materials 9, 26 (2010).
Chan La-O-Vorakiat, Mark E. Siemens, Stefan Mathias, Martin Aeschlimann, Patrik Grychtol, Roman Adam, Claus M. Schneider, Justin M. Shaw, Hans Nembach, Thomas J. Silva, Margaret M. Murnane, and Henry C. Kapteyn, “Tabletop magneto-optic Kerr effect measurements with ultrafast Extreme Ultraviolet pulses,” Physical Review Letters 103, 257402 (2009).
My research interests lie in understanding transport of fundamental energy carriers in and near nanostructures. I use ultrafast lasers to make spectroscopic measurements of electron, hole, and phonon transport and interactions. I want to understand these processes in a variety of nanoscale systems, such as quantum-confined semiconductor systems and metal-on-insulator nanowires. These energy transfer processes are relevant to heat-sinking of nanocircuits and solar energy conversion.
Fall 2010, 11, and 12: FSEM - The Physics of Light
Winter 2011, 13: Analytical Mechanics
Winter 2012, 14: Thermal Physics
Spring 2012, 14: University Physics II
Fall 2013: Advancd Dynamics