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Quantum Dot Lab Demonstration: Pyramidal Qdots

By Gerhard Klimeck1, Benjamin P Haley2

1. Electrical and Computer Engineering, Purdue University, West Lafayette, IN 2. Purdue University



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This video shows the simulation and analysis of a pyramid-shaped quantum dot using Quantum Dot Lab. Several powerful analytic features of this tool are demonstrated, including the following:

  • visualization of specific 3D wavefunctions corresponding to discrete energy levels within the quantum dot
  • rotating the 3D volume of the quantum dot with wavefunction
  • applying cut planes along the x and y axes and moving the cut planes along those axes.
  • customizing the color scale used in volume rendering
  • scanning through the energy levels of the states inside the dot
  • viewing the transition and absorption curves
  • returning to the input section to change the size of the quantum dot and running a new simulation
  • comparing the absorption curves for different dot sizes
  • interactively zooming in on regions of the absorption plots

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Cite this work

Researchers should cite this work as follows:

  • Gerhard Klimeck; Benjamin P Haley (2009), "Quantum Dot Lab Demonstration: Pyramidal Qdots,"

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Tags, a resource for nanoscience and nanotechnology, is supported by the National Science Foundation and other funding agencies. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.