COBRA Annual Report 2007 - Technische Universiteit Eindhoven
COBRA Annual Report 2007 - Technische Universiteit Eindhoven
COBRA Annual Report 2007 - Technische Universiteit Eindhoven
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24<br />
Prof.dr. P.M. Koenraad Dr. R. Nötzel<br />
3.2.8 Photonics and Semiconductor<br />
Nanophysics (PSN)<br />
– NRC Photonics Participant<br />
The Photonics and Semiconductor Nanophysics<br />
Group is focused on the epitaxial growth, the<br />
scanning probe analysis and the optics of artificial<br />
Scanning Probe Analysis of semiconductor<br />
nanostructures:<br />
Imaging of semiconductor quantum dots and<br />
magnetic impurities. The figure shows a Scanning<br />
Tunneling Microscopy picture of stacked quantum<br />
dots on an area of 55x55 nm.<br />
Epitaxial growth:<br />
Lateral ordering of III/V quantum dots. The figure<br />
shows a lattice of ordered InAs quantum dot<br />
molecules on GaAs (311)B formed by self-organized<br />
anisotropic strain engineering.<br />
Nanophotonics:<br />
InP based (tunable) photonic bandgap crystals.<br />
The figure shows a top view of a photonic bandgap<br />
crystal which has been etched into an InP<br />
waveguide.<br />
low-dimensional semiconductor nanostructures,<br />
with a present emphasis on quantum dots and<br />
photonic bandgap crystals. The research activities<br />
of the group, which are strongly interrelated are<br />
listed below.<br />
Scanning Tunneling<br />
Microscopy Image (55x55 nm)<br />
Ordered Quantum Dots<br />
Photonic Bandgap Crystal
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